Activities Reports 2009 - INCT
Transcrição
Activities Reports 2009 - INCT
Instituto Nacional de Fotônica INFo (National Institute of Photonics) 2009 Annual Activity Report 2 National Institute of Photonics INFo • Universidade Federal de Pernambuco (Recife) - Headquarter • Universidade de São Paulo – USP (Campus de São Carlos). • Universidade Estadual Paulista – UNESP (Araraquara). • Universidade Federal Rural de Pernambuco – UFRPE (Recife). • Centro Brasileiro de Pesquisas Físicas – CBPF (Rio de Janeiro) • Comissão Nacional de Energia Nuclear; Instituto de Pesquisas Energéticas e Nucleares do Estado de São Paulo - IPEN/CNEN (São Paulo) • Universidade Federal de Uberlândia – UFU (Uberlândia) • Universidade Federal do Vale do São Francisco – UNIVASF (Petrolina) • Universidade Federal do Mato Grosso do Sul – UFMS (Campo Grande) • Faculdade de Tecnologia de São Paulo – CEETEPS/UNESP (São Paulo) • Centro de Tecnologias Estratégicas do Nordeste – CETENE (Recife) • Universidade Federal de Sergipe – UFSE (Aracajú) Research areas Micro and Nanostructured Photonics Materials Photonic Devices Spintronics and Magneto-Optics Biophotonics 3 CETENE UNIVASF UFPE UFMS UFRPE UFU UNESP CBPF USPSC FATEC IPEN Headquarter Associated Laboratories Participant institutions and their geographic distribution UFSE 4 The National Institute of Photonics – INFo activities are dedicated to the study of Photonics in Micro and Nanostructured Systems. Photonics is a research area that has developed in the last decades after the invention of the laser. With respect to its more modern and contemporary aspects, Photonics is intimately related to Nonlinear Optics (NLO). Initially, NLO developed as a fundamental research area, where people would search for the understanding of the interaction of radiation with matter in a regime of high intensities. Ten years after its birth, the international effort in this area had already revealed the great potential for application of the known phenomena and related techniques. Presently, there still exists a large interest in the identification of new phenomena and in the development of new spectroscopic techniques based on the nonlinear behavior of matter. On the other hand, there are several applications arising from basic research that are actually developed in hundreds of research labs and industrial installations. Research in NLO has made it possible for a wide variety of interdisciplinary activities that stimulate, for instance, Photonics and their applications. Examples of Photonic applications can be found in several branches of activities. Concrete applications are related to the development of new materials which present adequate optical response to be used as sensors or light emitters, the development of new lasers, optical limiting systems, all-optical switches, optical memories, devices for optical communications and biophotonics applications (involving basic studies of microscopy or applied to areas such as Dentistry, Dermatology, Ophtalmology, and so on). The association among the laboratories that form the National Institute of Photonics – INFo, are making it possible to face challenging problems that demand higher investment in human resources. Another advantage of the articulations in the Institute is the availability of more equipments and the infrastructure that can be shared by the participant groups. The Institute has available equipped laboratories to fabricate new photonic materials, equipment for structural and thermal characterization of materials, equipment for processing the produced samples, lasers, and acquisition, control and data processing equipment, allowing the realization of several experiments simultaneously. Furthermore, due to the activities under development, the laboratories are equipped to immediately start the study of some of the new problems and themes, in areas such as new materials, communications, optical devices, plasmonics and biophotonics. The formation of a multidisciplinary team, involving physicists, chemists, engineers, and biologists have important consequences in the quality of the research as well as in the approach and solutions of the problems under investigation. The research being made present wide and up-to-date interest not only for the evolution of basic science, but also for applied areas such as Materials Sciences, Materials Chemistry, Communications Engineering, Biology and Health Sciences. The most relevant social contribution of the INFo has been the formation of human resources. This is an inherent activity to the Institute, due to the fact that most of the laboratories are located at Universities. Even the associate laboratories at CLA/IPEN/CNEN, CBPF/MCT and CETENE/MCT, located at Research Institutes, have strong participation or contribute to graduate programs at USP-SP, CBPF and UFPE, respectively. 5 The student`s formation occurs in a very diversified manner, since the professors at the INFo teach at undergraduate and graduate levels. At the undergraduate level all members of the INFo working at Universities have acted directly in the High School Teachers and Bachelors degree courses in Physics, Chemistry, Mathematics, Electrical Engineering, Odontolgy, Pharmacy, Biophysics and Biomedical Engineering, besides interaction with high schools through the training of high school teachers and visits of high school students to the research laboratories. At the graduate level, the members of the Institute have contributed to Master and Doctorate programs in Physics, Chemistry, Materials Sciences, Engineering and Dentistry at their Institutions. Graduate students from all over the Country have been performing their thesis and dissertations through the laboratories associated to the INFo. Several students from neighbor countries are also attending graduate programs in Physics Chemistry and Materials Science at the INFo laboratories. Project Management Cid B. de Araújo (Coordinator) and Sergio C. Zílio (Vice – Coordinator) are responsible for the execution of the project. Purchases of equipments are centralized at UFPE, as well as travel expenses. Equipment, consumables and services are acquired in accordance with the initial plans presented by each participating laboratory. A considerable fraction of the resources is for Interchange of the members of the Institute, aiming to make plain use of the existing research facilities. This is done through visiting periods for researchers and students in the various laboratories, for cooperative research projects. The financial support for travels is mainly for students, post-docs, and professors from the emerging centers that form the team project. International trips to present the results of research in Congresses are also supported. Authorization for the expenses not included in the original plan is preceded by analysis of the Managing Committee composed by C. B. de Araújo, A. S. L. Gomes, S. C. Zilio, N. D. Vieira Junior, L. C. Sampaio Lima, and Y. Messaddeq. 6 Main Researchers Name Cid Bartolomeu de Araújo Coordinator Sergio Carlos Zílio Vice - Coordinator Anderson S. L. Gomes Younes Messaddeq Celso Pinto de Melo Sidney Ribeiro Nilson Dias Vieira Antonio Azevedo Artur Silva Gouveia Neto Lúcio H. Acioli Luiz Carlos Sampaio Lima Cleber Renato Mendonça Laércio Gomes Denise Maria Zezell Leonardo de S. Menezes Lino Misoguti Gesse E. Calvo Nogueira Sonia Lícia Baldochi Nikifor Rakov José Joatan Rodrigues Jr Helinando P. de Oliveira Newton M. Barbosa Neto Luciana R.P. Kassab Samuel L. de Oliveira André Galembeck Renato E. de Araújo Beate S. Santos Patrícia Maria Farias Adriana Fontes Luciano Avallone Bueno Institution Degree/Year CNPq Level UFPE DSc, 1975 1A USP São Carlos DSc, 1983 1A UFPE UNESP Araraquara UFPE UNESP Araraquara IPEN UFPE UFRPE UFPE CBPF USP São Carlos IPEN IPEN UFPE USP São Carlos IPEN IPEN UNIVASF UFSE UNIVASF UFU FATEC-SP/UNESP UFMS CETENE/UFPE UFPE UFPE UFPE UFPE UFRPE PhD, 1986 PhD, 1990 PhD, 1980 DSc, 1992 DSc, 1986 DSc, 1991 PhD, 1987 DSc, 1989 PhD, 1994 DSc, 2000 DSc, 1985 DSc, 1991 DSc, 2001 DSc, 1999 DSc, 1995 DSc, 1993 DSc, 2001 DSc, 2003 DSc, 2004 DSc, 2005 DSc, 1996 DSc, 2004 DSc, 1998 DSc, 2001 DSc, 2002 DSc, 2001 DSc, 2004 DSc, 2003 1A 1A 1A 1B 1C 1C 1C 1D 1D 1D 1D 1D 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 7 International Cooperations • A. A. Lipovskii, St. Petersburg State Polytechnical University, Russia. • G. Boudebs, Université d`Angers, Angers, France. • P. N. Prasad, State University of New York, Buffalo, USA. • M. Poulain, Université Rennes, Rennes, France. • A. Brolo, Victoria University, Canada. • S. C. Rand, University of Michigan, Michigan, USA. • R. L. Rodrigues-Suárez, Pontifícia Universidad Católica, Santiago, Chile. • O. Benson, Humboldt Universität zu Berlin, Germany. • T. Voss, Uniersity of Bremen, Bremen, Alemanha. • F. E. Hernandez, University of Central Florida, Florida, USA. • R. Zalesny, Wroclaw University of Technology, Wroclaw, Polônia. • W. Bartkowiak, Wroclaw University of Technology, Wroclaw, Polônia. • E. Ishow, Ecole Normale Superieure de Cachan, Cachan, França. • E. Mazur, Harvard University, Cambridge, USA. • F. Smektala, Université de Bourgogne, Dijon, France • L. D. Carlos, Physics Dept., Aveiro University, CICECO, Aveiro, Portugal. • V. Zéa-Bermudez, Chemistry Deptment, Trás-os-Montes and Alto D´Ouro University, Vila Real, Portugal. • P. Goldner, Laboratoire de Chimie de la Matière Condensée de Paris CNRS-UMR 7574, Ecole Nationale Supérieure de Chimie de Paris, France. • M.-J. Menu, Institut Carnot CIRIMAT, UPS-CNRS-INP, Université Paul Sabatier, Toulouse, France. • M. Verelst, Centre d’Elaboration de Matériaux et d’Etudes Structurales (CEMES UP-CNRS 8011), Toulouse, France. • J. Dexpert-ghys, Centre d’Elaboration de Matériaux et d’Etudes Structurales (CEMES UP-CNRS 8011), Toulouse, France. • L. Marzan, Vigo University, Vigo, Spain. • H. Eckert, Munster University, Munster, Germany. • P. Wilder-Smith, University of California, Irvine, USA. 8 Research lines and Sub - projects Micro and Nanostructured Photonics Materials Sub-Project A: Synthesis and Nonlinear Optical Spectroscopy of Hybrid Micro- and Nano-Structured Materials. The synthesis of various hybrid materials and their NL optical properties were developed. The optical techniques for characterization of the materials were luminescence, pump-probe and Z-scan techniques, employing nano-, pico- and femto - second lasers. Several results on organic – inorganic materials have been obtained as can be observed in the publication list. A.1) Metallic nanoparticles in colloids and polymers. The work developed was focused on new methods to synthesize optically active materials. Silver nanoparticles (NPs) growth within polyesthers was thermally and photochemically induced leading to nanocomposites in which the resulting color depends on the particles’ size and aggregation. Silver nanoparticles with nearly the same the size were synthesized in five different carrier media in systems with the same composition, proving that the “solvent” effect is not a key factor if the experimental variables are properly set. Silver colloids synthesized were used to assemble random lasers and allowed the investigation of the solvent effect on the linear and nonlinear properties of Ag NPs. The NL optical properties of gold nanoshells synthesized were also investigated. We also developed new methods to synthesize flourescent lanthanide - organic framework and binuclear lanthanide coordination compounds and used a photochemical route to synthesize hybrid material based on the conducting polymer polyaniline and polyphosphate gels, which were used to assemble electrochemical capacitors. Ag/poly(esther-co-styrene) nanocomposites A.2) Multifuncionality on silica glass. Advanced nanostructured coatings. Photochromic windows, IR and/or UV pumped white light emitting films and luminescent mesoporous sensing materials are the main functional activities that we have considering to add to silica glass substrates through nanostructured coatings. Photochromicity is being achieved by the utilization of the known redox pairs W6+/W5+, 6+ Mo / Mo5+, and Ti4+/Ti3+. Hosts considered in the films fabrication include cellulose derivatives and vegetable oils based organic - inorganic hybrids and polyurethanes. The light activated redox phenomena is studied as a function of the films and metal containing nanoparticles chemical nature 9 IR and/or UV pumped white light emission is being achieved by the deposition of nanoparticulate films based on rare earth compounds, mainly vanadates and tellurites. The triads Eu3+-Tb3+-Tm3+ and Yb3+Ho3+-Tm3+ have been considered for UV and IR pumping respectively, with the emitting colors being tuned by the rare earth relative compositions and also the chemical nature of the nanoparticles. Finally, mesoporous silica films have been obtained by dip - coating together with Evaporation Induced Self Assembly (EISA). Mesoporous thin films constitute a platform for special luminescent and Raman sensors and luminophors by incorporating rare - earth compounds and colloidal metal particles in the ordered porous structure. Sub-Project B: Vitreous composites containing metallic nanoparticles. Vitreous composites containing metallic nanoparticles based on germanate glasses were studied. Growth of ~1000 % in the photoluminescence intensity corresponding to the 614 nm transition of Eu3+ doped GeO2 - Bi2O3 glasses was observed. Also the influence of metalic nanoparticles (gold and silver) on electric-dipole and magnetic-dipole transitions of Eu3+ demonstrated that the magnetic response of metal – dielectric composites at optical frequencies can be as strong as their electric response due to the confinement of the optical magnetic field. Phenomena related to frequency upconversion and energy transfer processes among rare-earth ions in germante and tellurite glasses with metallic nanoparticles codoped with Yb3+/Tm3+, Yb3+/Er3+, and Tb3+/Eu3+ were studied. The influence of the intensified local field in the vicinity of the nanoparticles and/or the energy transfer processes among the nanoparticles and the rareearth ions were identified as the origin of the enhanced optical response of the nanocomposites studied. GeO2-PbO nanostructured thin films were also produced with the sputtering technique and had their nonlinear properties studied. The nucleation of silver or gold nanoparticles was performed using appropriate heat treatment procedures. The increased nonlinear susceptibilities due to the influence of localized surface plasmons make these films useful for devices such as displays, optical limiters ans all-optical switches. Sub-Project C: Optical spectroscopy of transition-metal-ion-doped glasses. We have investigated Ni– and Bi–doped glasses that might present infrared broadband luminescence. We started by studying glasses with compositions 60(NaPO3)3–40Al(PO3)3–NiO and 60(NaPO3)3–40Al(PO3)3–Bi2O3 produced by the melting-quenching method in N2 atmosphere. Two samples of each composition were prepared, and then one Ni– and Bi–doped glass was annealed at 450oC under H2 atmosphere during 4 hours. The unannealed glasses do not exhibit any luminescence under excitation at 475 or 808 nm, while the annealed ones present broadband emission (0.9–1.5 µm) that originates solely from the glass surfaces given that no luminescence is observed after the surfaces were re-polished. The preparation method of these glasses must be improved as well as other compositions will be evaluated. Sub-Project D: Pure and rare-earth doped transparent vitro-ceramics. D.1) Chalcogenide based glasses and glass – ceramics. Transparency in the IR, high linear refractive index, low phonon energy and high non-linear susceptibility are the main intrinsic characteristics of chalcogenide and chalco-halide glasses. In this part of the project we have chosen the base system Ga2S3-GeS2. These glasses are good hosts for optically active lanthanide ions. Moreover, addition of CsCl leads to the preparation of 10 transparent glass-ceramics under selected thermal treatments. In this way glasses have been prepared in the systems Ga2S3-GeS2-CsCl, Ga2S3-GeS2-AgCl, Ga2S3-GeS2-CsCl-Ag2S and Ga2S3GeS2-CsCl-AgCl. Transparent glass-ceramics have been obtained displaying permanent second order non linear susceptibility (crystal phases - AgGaS2 e AgGaGeS4) and also relatively strong emission properties of lanthanide ions (Pr3+ and Er3+ added to the initial compositions) were obtained. D.2) Generation of wide color gamut visible light in rare-earth doped nanopowders. Novel materials suitable for the development of solid-state red – green - blue (RGB) light emitters have drawn much scientific and technological interest lately, as the basis for future high brightness full - color display technology, back lighting, assay of biological compounds, remote sensors, optical data storage, optical printing, etc. A significant number of methods have been employed in the past few decades, exploiting for instance dye - laser systems, LED/OLED technology, and frequency upconversion luminescence in lanthanide doped materials. Recently, multicolor upconversion emission and white light generation was produced in novel glasses and oxyfloride nanostructured materials. The latter find potential applications in general lighting appliances, and integrated optical devices. Therefore, it is of great interest, to study frequency upconversion processes in alternative phosphors materials and identify the major relaxation and interaction mechanisms of rare - earth ions implanted into the matrices. Considering solid - state hosts, nanoglasses have recently emerged as a viable alternative for photonics and biophotonics applications. They are obtained by a suitable heat treatment of the precursor glass samples produced by standard oxide glass fusion and casting methods. Such heat treatment yields the precipitation of nanocrystals in which rare-earth ions are selectively concentrated. The crystal sizes are small enough to allow light transmission with no considerable scattering loss. The advantages of the nanocomposites reside in the fact that the rare-earth ions are confined in nanoscaled crystalline environments of low phonon energy, producing high quantum efficiencies and low optical absorption cross sections when compared to vitreous environment. In order to avoid the technical demands and difficulties of either crystals or glass preparation exploiting conventional melting methods under controlled atmosphere and high temperatures, the sol-gel process was used. The sol-gel technique is one of the most widely used methods for production of bulk materials and thin films in integrated optics, because it is simple, low cost and performed at room temperatures, and possess the ability to control the purity and homogeneity of the final materials on a molecular level. Multicolor visible light emitting NIR-excited Tm/Ho/Yb-codoped tantalum oxide nanopowders were produced and tested as new phosphor materials. The generation of wide color gamut fluorescence in glass-ceramic with orthorhombic Ta2O5 nanocrystals dispersed into amorphous silica-based matrix was observed. Multicolor simultaneously emitted fluorescence consisting of blue (480 nm), green (540 nm) and red (650 nm) upconversion signals in the SiO2:Ta2O5 system doped with holmium and thulium and sensitized with ytterbium, was observed. The proper choice of the rare-earth content and the NIR excitation power yielded the generation and control of the three primary colors and allowed the emission of a balanced white or tunable overall luminescence from the glass-ceramic nanopowders D.3) Luminescent features of novel sol-gel derived lanthanide multi-doped nanostructured phosphors for white LED. Solid-state light sources for lighting purposes, are of great scientific and technogical interest owing to their wide variety of benefits over daily used incandescent and fluorescent systems, with advantages ranging from energy consumption to environmental issues. Amongst various 11 approaches, light - emitting diode (LED) based white light sources are regarded as the next generation solid-state lighting technology since the realization of white LEDs. This is due to the fact that they possess valuable properties including low power consumption, high electrical energy to light conversion efficiency, long life, low-cost and easy maintenance. Moreover, they have environmental advantages because their production does not require emission of green house gases (CO2), and provokes no mercury pollution. Essentially, there exist two approaches to produce white light employing LEDs. The first is by color addition using LEDs producing the three primary (red, green, blue), or a combination of complementary colors light. The second is obtained by the combination of emission from a blue or ultraviolet LED excited downconverted light from phosphor. In particular, white LEDs produced by means of a combination involving a blue or ultraviolet LED and a yellow emitting phosphor, has attracted a great deal of interest recently, owing to the low cost, easy fabrication process, and high brightness emission. However, this approach suffers from low color rendering index due to two color mixing, and the generated white light changes either with excitation power or temperature. To overcome these deficiencies, a white LED fabricated via UV-blue excited red, green, and blue - emitting phosphors is required. Thus, one demands for novel phosphors that may produce high downconversion efficiencies and allow suitable combinations of rare-earth activators that can diversify the emission wavelengths. Rare - earth (Eu3+, Sm3+, Tb3+, Sm3+/ Tb3+, Eu3+/ Tb3+) doped oxyfluoride 75SiO2: 25PbF2 nano-structured phosphors for white-light-emitting diodes were synthesized by thermal treatment of precursor sol-gel derived glasses. Room temperature fluorescence emission spectra of Eu3+, Sm3+, Tb3+, Sm3+/Tb3+ and Eu3+/Tb3+ ions incorporated into low-phonon-energy PbF2 nanocrystals dispersed in the aluminosilicate glass matrix and excited with UV (395 nm) and blue (405 nm) light emitting diodes was investigated. The luminescence spectra exhibited strong emission peaks in the red (600, 610, 650 nm), green (540, and 560 nm) and blue (485 nm) wavelength regions. White-light emission was observed in samarium and terbium activated phosphors employing UVLED excitation. The dependence of the luminescence emisson intensities upon annealing temperature, and rare-earth concentration was also evaluated. The results indicated that there exist optimum annealing temperature and activator ion concentration in order to obtain intense emission light with higher color rendering index. Therefore, results suggest that the nanocomposite phosphor herein reported is a promissing contender for white-light LED applications Sub–Project E: Fabrication and characterization of composite materials for Nano-Photonics and Bio-Photonics. E.1) Vegetable oil based organic-inorganic hybrids and polymers. The so-called green chemistry includes the preparation of new compounds by using precursors obtained by self-sustainable, non-polluting processes. In this sense the vegetble oil chemistry is being considered in the last years for the preparation of new multifunctional materials. Castor oil displays interesting and unique functional groups among the different vegetable oils. In this way it can take part in several chemical reactions leading to new organic-inorganic hybrids and polymers. New polyurethane polymers- Polyurethane polymers are widely used in different areas and castor oil based polyurethanes will for sure enlarge the field of applications. For example highly luminescent samples have been obtained by including in the polymer composition highly lluminescent Eu3+ compounds. New organic-inorganic hybrids- The utilization of the ricinoleic acid and the amino modified siloxane has lead to new hybrids where the connection between the organic and the inorganic 12 phases are performed by an amide group. These new hybrids are called therefore "amidosils". Mechanical and also optical properties can be tuned by playing with the chemical compositions of these new multifunctional materials. E.2) Multifunctional bacterial cellulose membranes. New SERS sensors, photo/electroluminescent materials and substrates for flexible organic LEDs Bacterial cellulose (BC) also known as biocellulose, is produced by strains of Gluconacetobacter xylinus bacteria in the form of highly hydrated (hydrogels) membranes. BC and plant cellulose present the same chemical structure. However BC has a pure cellulose network composed of a random assembly of ribbon shaped fibers less than 100 nm wide. The unique properties provided by the nanometric structure have lead to a number of commercial products including dietetic fibers, headphone membranes, special papers, textiles, medical applications including temporary skin substitution, contact lenses, and optoelectronic devices (epaper, OLEDs). We are interested in multifunctional materials based on BC, metallic nanoparticles and lanthanide based luminescent compounds By using pectin as stabilizer/reducing agent mixed Au-Ag nanoparticles have been prepared with colours, and therefore plasmon energies, covering all the visible part of the spectrum as a function of the relative Ag-Au contents. Multifunctional membranes have been prepared by the incorporation of metallic nanoparticles and different lanthanide compounds. Two main properties have been exploited with positive preliminary results: 1- the utilization of the new active membranes as new SERS sensors for adsorbed species and 2- enhancement of the luminescence of adsorbed lanthanide compounds due to interaction with the metal NP plasmons. Concerning the flexible substrates new transparent multifunctional Organic-Inorganic Hybrids (OIH) have been prepared from bacterial cellulose membranes (BC) and boehmite – GPTS (glycidoxipropylsilane) system. SEM analyses reveal either a bi-phase (by careful control of the layer by layer assembly of the two components) or a typically “sandwich structure” formed by BC microfibril and boehmite-GPTS systems. BC-hybrid membranes display higher transparency (90% of the light) than pure BC ones (40% of the light) in the wavelength range of 300 to 800nm. Conductive membranes were obtained by ITO deposition. FOLEDS were obtained by the thermal evaporation of a copper phtalocianine (CuPC) / N, N’-diphenil-N,N’-bis(1-naftil)(1,1’biphenil)4,4’diamine (NPB)/ aluminum tris(8-hidroxiquinolinate) (Alq3) and an aluminum contact. Emission characteristics were observed to be similar to the ones observed for the same device obtained with a glass substrate. Nanobiocellulose fibers Nanobiocellulose with silver nanoparticles 13 E.3) Nanocomposites (conducting polymer)/(metallic nanoparticles) The work was dedicated to the investigation of the so-called ELINOR (from Enhanced Luminescence of Organic-Inorganic Origin) effect, first identified by our group in polypyrrole/gold nanoparticles. During the last year we have confirmed that the synergic interaction between the metal and the conducting polymer chains that leads to the enhancement of the luminescence also exists when different metals (Ag and Cu, besides Au) and other conducting polymers such as polyaniline (PANi) and PEDOT (a polythiophene derivative), besides polypyrrole (PPY) are used. In each case, upon ultraviolet excitation the maximum of fluorescence is observed in different frequencies of the visible region, and we have used factorial planning to determine the optimum preparation conditions that lead to maximum fluorescence emission. As an example, while the estimated quantum yield (Φ) for Au microparticles is negligible (~10-10-10-9), and for specially shaped Au nanorods increases to ~10-4-10-3, our Au/PANi composites exhibit Φ ~101. The synergy of the metal-polymer interaction is confirmed once one realizes that Φ ~10-3 for pure PANi, and that the nanocomposite’s fluorescence intensity is affected by the pH of the medium in a complementary manner to the PANi conductivity. We have also initiated work directed towards the use of an identified Förster resonance energy transfer (FRET) regime in co-solutions of (conducting polymer)/(metallic nanoparticles) composites and fluorenes in the development of more efficient photovoltaic devices. Finally, since some of the conducting polymers used are polycations and have a non-specific interaction with nucleotide chains, we have initiated work dedicated to the use of the ELINOR effect to the identification of RNA or DNA sequences in solution. 8,0E+06 Intensidade de fluorescência (u. a.) 6,0E+06 4,0E+06 2,0E+06 0,0E+00 0 2 4 6 8 10 12 14 pH Intensity of fluorescence of Au/PANi nanocomposite decreases at low pH. Increase in the fluorene emission due to FRET from the Au/PANi nanocomposite. Sub-Project F: Coupling of single nanoscopic emitters to ultra-high quality factor microcavities. For this sub-project, the necessary tools for controlling and studying the system – an inverted confocal optical microscope and a scanning near-field optical microscope, are being fully developed. A very detailed and mechanically sophisticated project for performing the spectroscopy of microcavities, as well as experiments on coupling of single nanoscopic light emitters has been developed and the fabrication is almost finished. An apparatus based on CO2 laser (and appropriated optics) has been set up in order to fabricate the microcavities, presently only silica microspheres, with diameters ranging from 20 to 300 µm. The last part necessary to 14 the realization of the planned experiments is the mastering of fiber tapers’ production and characterization. Sub-Project G: Ultra-high resolution microscopy with single nanoscopic light emitters. A home - made probe-scanning inverted confocal optical microscope was projected and developed. It works with a CW laser emitting at 532 nm, operating in both modes, confocal and wide - field. When operating in the confocal mode, the lateral resolution is ~170 nm, while when operating in wide - field it shows either ~37 µm or ~50 µm field, depending on the microscope objective used (100 NA 1,40 or 60 NA 1,43). The probe scanning is performed with the help of a commercial piezo XY translator stage (100 µm range), which is controlled by a specially designed LabView program. The piezos of such translation stage are fed by home - made amplifiers, that present a stability of 1:105, essential to our purposes. A home - made scanning near-field optical microscope – SNOM is also under development. The home – made mechanical parts are ready, and nowadays the feedback loop electronics is being constructed. We already dominate the SNOM tips and hopefully until the end of 2010 this home - made inverted microscope will be installed in order to make ultra-high resolution optical microscopy with single nanoscopic light emitters. Photonic Devices Sub-Project H: Microstructered fibers. Many efforts related to the control of transmission properties of microstructured fibers have been done, like selectively closing holes of its structure, selective filling of these holes with gases, with organic solutions or colloids of metal nanoparticles or semiconductor quantum dots. Recently, the selective collapsing of a part of given holes has also been done, leading to the demonstration of an integrated waveguide coupler. Bismuth and lead based original glasses have been explored towards linear and non-linear optical properties. The main glass compositions are (in mol%) (70-x)NaPO3-30WO3-xBi2O3 (x= 1 – 30%) (75-x)TeO2-15GeO2-xBi2O3-10(K2O-Li2O) (x = 1 – 30%) (100-x)PbHPO4-xWO3 (x = 1 – 70%). Bulk samples have been obtained by conventional melting-casting-quenching methods. Thermal and structural properties have been investigated as a function of the Bi and W relative contents. Thermal analysis (DSC), vibrational spectroscopy (FTIR spectroscopy and Raman scattering), 31P and 207Pb NMR and also x - rays absorption (EXAFS Pb LIII) were the techniques employed. UV-Vis-IR absorption, m lines spectroscopy (linear refractive index) and Z-scan (at 1064 and 800 nm) were used in the study of the optical properties. Important values were obtained for n2 at 1064 and 800 nm (∼10-14 cm2/W and ≥ 10-15 cm2/W, respectively) which allowed us to propose potential application in photonic devices. The most stable compositions (as determined by thermal analysis) were chosen for the preparation of optical fibers. Core-cladding fibers have been prepared by a method developed in our lab called "sucking method", where a liquid core composition is cast in a controlled way in a cladding tube. Microstructured fibers have been prepared from cylindrical samples prepared with the chosen composition. Preforms have been obtained by pearcing longitudinal holes with the desired 15 geometry and size. Samples with up to 60 holes defining 3 concentric rings and a solid triangular core have been prepared and fiberized. Final fiber and core diameters were 130 and 3 m respectively. No external polymer coating is applied. The optical characterization of the fiber is planned for the next activities. Sub-Project I: Preparation and characterization of optical waveguides in germanate and tellurite glasses. I.1) Active waveguides were produced for the first time in Er3+-doped GeO2-PbO-Ga2O3 glass. Channels have been written with a femtosecond laser delivering 800 nm pulses. Optical amplification was observed at 1550 nm with maximal internal gain of 2.7 dB/cm under 980 nm excitation and similar to silicate and phosphate glasses codoped with Yb3+ and Er3+. The results obtained are promising for the fabrication of Er-doped integrated amplifiers based on GeO2-PbOGa2O3 glass. I.2) Tellurite rib-type passive waveguides were produced with TeO2-ZnO vitreous thin films deposited by RF sputtering. Plasma etching and lithography processes were employed for the production of the rib waveguides. Propagation losses of 1.5 dB/cm for 3-5 µ m rib widths are obtained at 633 and 980 nm. The results obtained suggest that waveguides based on TeO2-ZnO vitreous thin films are potential candidates for photonic devices applications. Sub-Project J: Coherent control of nonlinear effects in special fibers. In the past year we setup a system for shapping the spectral phase components of fs-pulses, employing a liquid crystal spatial light modulator placed on the Fourier plane of a zero-dispersion stretcher. Such system was calibrated using frequency-resolved optical gating and common-path spectral interferometry. The pulse-shaper was used to investigate the coherent control of nonlinear effects in special fibers mainly by applying a known function to the spatial light modulator and analyzing the outcome. We were able to observe spectral changes produced in the supercontinuum generation in photonic fibers and tapers, and now we are studying the thirdharmonic generated in capillary containing noble gases. We also investigated the two-photon absorption in organic compounds, taking advantage of the multi-photon intrapulse interference process. We have used two strategies to coherently control the two-photon absorption: (i) applying a known function to the spatial light modulator and (ii) by using a feedback configuration controlled by a genetic algorithm. For instance, we studied the role of the detuning between the molecules’ two-photon absorption band and the pulse wavelength on the level of control achieved. The use of pulse - shaping to coherent control the synthesis of gold nanoparticles was also made. Schematic of the system used to shape the laser pulses 16 Sub-Project L: Fabrication of polymeric microstructures integrated with glass nano-fibres. Photonic circuits. A substantial part of the effort during 2009 was devoted to the establishment of a microfabircation laboratory. We have used the two-photon absorption induced polymerization technique to fabricate optical active microstructures, whose properties can be externally changed. Such microstructures contain optical active organics compounds and polymers, as well as biocompounds. Therefore, they can be used for application ranging from photonics to biology. In a subsequent step, we were able to produce silica nanowires by symmetrical pulling of standard optical fibers under controlled conditions (flame temperature and drawing speed). We were able to demonstrate that the microstructures can be externally excited using nanowires, opening new opportunities for the development of integrated micro-optical devices. Setup used to fabricate tapers and nanowires MEV images of the nanofibers fabricated 17 Setup used for the two-induced polymerization and microstructures fabricated Magneto-optics and spintronics Sub - Project M: Magnetization dynamics in nanoestrutures. We investigate the spin dynamo DC voltage generated in bilayers of ferromagnetic and normal-metal materials as a combination of the spin pumping and inverse spin Hall effects. By shining the surface of a series of Ni81Fe19/Pt samples with microwave radiation we were able to inject pure spin current into the Pt layer by the transfer of spin angular moment. Due to the inverse spin Hall effect the charge carriers in the Pt layer will be scattered giving rise to an in - plane charge current. By varying the angle of the in - plane spin polarization we were able to separate accurately the contributions arising from anisotropic magnetoresistance and from the spin-current pumped into the Pt layer by the precessing spins of the Ni81Fe19 layer. The data for the spin pumping dynamo DC voltage is in excellent agreement with a theory incorporating the full dependence on the thicknesses of the FM and N layers. An apparatus for optical detection of time-resolved magnetization dynamics has been implemented. The system is based on a femtosecond laser and has been used to investigate experimentally coherent magnetization dynamics in thin ferromagnetic films. For this we use ultrashort pulses from a Ti:sapphire laser to induce the coherent dynamics and to observe its temporal evolution through a double modulation pump-probe technique. We have performed Time-Resolved Magneto-Optical Kerr Effect (TR-MOKE) measurements and observed the transient magnetization in monocrystalline iron films on magnesium oxide substrate (Fe/MgO) and permalloy (Ni0.8Fe0.2) films on silicon (Py/Si). The films were prepared by sputtering and characterized by ferromagnetic resonance (FMR). It has been possible to understand the role of the magnetic anisotropy in the triggering of the coherent magnetization dynamics by ultrashort 18 laser pulses. This system will be employed in the near future to investigate magnetization dynamics in small magnetic structures to be prepared within this project. The magnetization dynamics of small - scale systems (nano and microscale) can be observed in time scales ranging from femtoseconds to hours. Depending on the time scale, different aspects of the magnetic relaxation can be investigated. A second apparatus also based on the magnetooptics is being constructed in order to measure the dynamics in the nanosecond time scale. The dynamics is induced applying a magnetic field produced by a stripe line, instead of a light pulse used in the pump-probe technique. Micro-sized magnetic disks made of soft magnetic materials (e.g., FeNi), depending on the thickness, can exhibit a magnetic vortex. The vortex can move on the disk as a result of the excitation, and can have a resonant movement if the excitation is AC. Resonance measurements were performed for an array of FeNi disks with diameter and thicknesses of 2 µm and 20 nm, respectively. A resonance centered at 500 MHz was identified and micromagnetic calculations are being made to investigate the vortex movement and the dissipation process in further details. Sub - Project N: Production and optical characterization of active laser media based on monocrystallyne fibers and nanopowders. N.1) Single crystal fibers. We investigated the single crystal fibers growth of pure and Nd3+ and Yb3+- doped LiLa(WO4)2 - LLW -for optical applications. The experimental results showed that moisture on stored La2O3 is an issue to be controlled to achieve a single - phase formation after solid state reactions. Single crystal fibers were grown by the micro - pulling down method and the growth process was investigated concerning the melting behavior, pulling rates and the meniscus stability during the fiber pulling. Stable growth conditions were obtained for meniscus height changing from 60 to 150 microns and pulling rates of 0.06 mm/min. It is important to note that higher meniscus heights break the stable condition of growth resulting in defects creation in these fibers. Transparent and uniform single crystal fibers with 30 mm length (LLW and LLW: Nd) and 10 mm length (LLW:Yb) were obtained. Optical characterization demonstrated similar properties observed on bulk crystals of Nd and Yb-doped LLW. Laser tests will be performed. .Demonstration of laser action in a single crystal Nd:YLF N.2) Fluoride Nanoparticles. KY3F10 and KY3F10: Nd nanoparticles were obtained via the coprecipitation method in aqueous solution, evaluating the feasibility of its preparation with HCl or HNO3 as solvents. The preparation was made dissolving the rare - earth oxides in hot concentred acid. After drying most of the acid, a hot KF+NH4HF2 aqueous solution was added under strong stirring for two hours. 19 The powder was separated by centrifugation, alternated by washing several times with NH4HF2 solution and with methanol. X ray powder diffraction analysis showed that the KY3F10 cubic phase (Fm-3m) was formed for all syntheses performed with HCl. Additional peaks were found for doped materials prepared with HNO3. The size of the nanocrystals was related to the broadening of the diffraction peaks by the Scherrer equation, resulting in about 20 nm. N.3) Random Lasers. Two types of random laser media are being investigated: nanopowders of Nd: YVO4 and rodamina dye containing 200 nm sized rutile particles inside a hollow photonic crystal fiber with a 70 micrometer diameter core. Pump sources are 100 W diode lasers and a Q-switched, frequency doubled Nd: YAG of 3mJ, 10 ns pulse duration. In both cases we observed frequency narrowing at the laser emission frequency as a function of pump power by approximately a factor of 3 and a clear laser threshold. These results have been presented in a national congress. We are now concluding a theoretical model that explains the observed laser pulses from the random laser. This model resulted in a perfect fit of the random laser pulses as a function of pump power and explains possible loss mechanisms for laser action. BIOPHOTONICS Sub-Project O: Diagnostic by Imaging and Sensing. O.1) Development of polarization sensitive optical coherence tomography (PSOCT) system. Optical Coherence Tomography (OCT) is a technique based on low length coherence interferometry that can perform tomographic images of live structures. Mueller Matrices are mathematical elements that describe how a media alter the polarization state of the incident light. Differently of the Jones formalism for polarized light, Mueller Matrices can cope with unpolarized light and with absorption as well. It was developed in our laboratories an Optical Coherence Tomography system capable of determining completely and uniquely the Mueller Matrix of a sample, in depth. In this way many measurements are needed with different combinations of polarization states of the incident beam on the sample and the reference arm of the interferometer. After calibrating the system, we used a birrefringent sample with periodic structure (Scotch tape). One software was developed to solve a matrix linear equations system. As a result 4x4 matrices of images were calculated. Some of the features, as birefringence were easily identified in some elements of this matrix. We also decomposed the matrix in three components (depolarizer, retarder and diattenuation) which allowed understand the sample as a linear combinations of three optical phenomena. O.2) Development of optical techniques to study microcirculation The laser Doppler flowmetry allows safe and noninvasive measurements of the human blood microcirculation with temporal resolution higher than other methods (e.g., laser Doppler imaging, Doppler-Optical Coherence Tomography). Fluctuations in the flow signal with frequencies between 0.005Hz to 2Hz have been studied and related to multiple microvascular control mechanisms, located at different spectral bands. Wavelet analysis has been used for this purpose. We are developing alternative methods to quantify (and control) variances each spectral band of interest (due to the Wavelet limitations for this purpose), seeking for new methods to assess 20 microcirculatory dysfunctions such as endothelial and neurogenic dysfunctions commonly encountered in diabetes mellitus. Blood flow image from human fingers obtained via laser Speckle system (resolution 632x472 pixels) O.3) Synthesis and uses of semiconductor core – shell quantum dots for in vivo toxicological studies Strategies for the synthesis of water soluble core-shell quantum dots CdTe/CdS and CdSe/CdS were optimized in order to minimize size distribution ranges, improve reproducibility, reduce surface traps and obtain higher quantum yields. Toxicological studies have been performed for CdS/Cd(OH)2 quantum dots in collaboration with BASF SE (Ludwigshafen, Germany). In the first part, non-functionalized CdS/Cd(OH)2 quantum dots in water suspension were used for in vivo toxicological experiments via inhalation and injection in wistar rats. 10 mg/liter of free Cadmium ions were detected in the samples. Despite of this, biochemical, hematological, histological and studies of the fluids of the animals exposed to the CdS/Cd(OH)2 quantum dots, showed low toxicity levels when compared to other nanomaterials, such as TiO2, ZnO, and Carbon Nanotubes. A second stage of the toxicological studies has been carried out, in which CdS/Cd(OH)2 quantum dots were turned biocompatible by the functionalization with glutaraldehyde (0.01% v/v) and are been used for the same experimental procedures performed with non functionalized (non biocompatible) CdS/Cd(OH)2 quantum dots. Due to the fact that free Cadmium may induce side reaction related to its toxicity for in vivo studies, we have been developing synthetic routes for the production of ZnSe/ZnS quantum dots, which have presented high stability and high emission intensities. Luminescence of cells with cancer functionallized with quantum dots of CdS/Cd(OH)2 Alive cells marked with quantum dots of CdTe/CdS 21 Sub-Project P: Therapeutics. P.1) Diagnosis by imaging and therapeutics. Concentrations above 250 µM methylene blue (MB) present a poor photodynamic effect on yeast cells inactivation. MB aggregation is directly proportional to its concentration. Monomer/dimer ratio equal to 1 seems to produce the best antimicrobial effect. The addition of organic fluids leads to an increase in dimerization even when dye concentration is maintained. The same fluence in different fluence rates shows dissimilar levels of inactivation on microbial cells. The increase of the fluence rate shows an improvement on cell photoinactivation and a higher velocity to generate reactive oxygen species. Core-shell CdSe-CdS quantum dots (QD) are not lethal to C. albicans regardless of the QD concentration or exposure time. However, morphological changes were observed. Scanning electron (A) and transmission laser confocal (B) micrographies of yeast cells before (1) and after (2) PDT. Observe typical globular intact cells before treatment. After PDT, morphological changes are seen since clearly cells languished throughout the process. P.2) Characterization of biological tissues after laser irradiation for the development of new therapeutic methods in Medicine and Dentistry. One software was developed to calculate semi-automatically the thermal diffusivity of materials by using the heat equation with the temperature data taken from an infrared thermocamera during the material heating. It was possible to identify for the first time that the thermal diffusivity of dentine for high temperatures (300 °C < T < 550 °C) is not linear and it is much higher than at room temperature, affecting the heat transmission during laser irradiation. The µ-FTIR spectroscopy, microhardness and retention of CaF2 analysis of enamel, dentine and nanostructured syntetic hydroxyapatite irradiated with Nd: YAG or Er:Cr:YSGG laser, showed that there was carbonate and amide content decrease in all laser irradiated samples. After treatments the samples were submitted to an artificial caries protocol. The hardness from samples treated with laser in association with fluoride was less affected compared to those that received only one of these treatments. This synergic effect between infrared laser irradiation and fluoride surface treatment is useful for caries prevention and it will be investigated in vivo. Er: Cr:YSGG laser has ability to cut bone, but the explosive ablation and the resulting heat may affect the surface. ATR-FTIR spectroscopic analysis showed significant loss of organic bone 22 components mainly collagen, indicating that the laser energy must be chosen carefully because it interferes in the healing process. A new treatment method for third degree skin burn is being proposed. OCT and histology showed that femtosecond laser (0,195 mJ, 4 kHz, 30 fs) successfully ablated and removed the necrotic tissue from the rat skin burn lesion with 564 µm ±12 µm depth. Multivariate statistical method of ATR-FTIR spectroscopy is proposed as an alternative means of screening for the diagnosis of thyroid lesions. Using the clinical data as reference, the cluster analysis (calculated by the Euclidean distances) revealed so far a separation of adenoma goiter from other malign neoplasm, with accuracy higher than 99 %. The study comparing follicular lesion and colloid goiter is under way. Er: Cr:YSGG laser cutting rabbit tibia bone. Femtosecond laser ablation of rat skin. A) Skin after laser ablation, (square 1cm x 1 cm). B) OCT characterization of the ablated area. C) OCT for ablation depth measurement. 500 µm Sub-Project Q: Imaging and Sensing at the Molecular Level. Fluorescence emission of molecules can be modified by their interaction with metallic nanoparticles. In particular, we showed that metal nanoparticles can increase the emission of Tryptophan (an essential amino acid). Enhancement of Riboflavin (a potential drug to photodynamic therapy) fluorescence by silver nanoparticles was also observed and the increase of singlet oxygen formation by riboflavin-NP is under investigation. To explore and to understand the role played by the interaction plasmon - fluorescent molecule in cells and tissue a new technique for time-resolved fluorescence multiphoton microscopy is being developed, to generate picosecond and sub-picosecond resolution fluorescence images without XY scanning. A wide-field multiphoton microscopy setup was established exploring a 800 nm femtosecond Ti: sapphire laser and a TE2000 Nikon inverted 23 microscope. Images based on multiphoton absorption of Tryptophan and Coumarin were generated and analyzed. Fluorescence images will be obtained associating the optical-Kerr-gate technique and the wide-field-multiphoton microscopy. Therefore a virtual lock-in amplifier for CCD images is under development. Wide-field multiphoton microscopy scheme One-photon and two-photon image of Coumarin Sub-Project R: Photonics applied to energy and environmental problems. This sub-project is not listed in the original proposal. It was motivated by the local demand of knowledge in the areas of energy and agriculture. R.1) Optical Spectroscopy as an analytical tool for characterization of Biodiesel The growing energy demand has led to an enhancement of the environmental problems associated with the use of fossil fuels. Therefore, it becomes necessary to investigate renewable energy sources to reduce the environmental impact. In this scenario, biodiesel is a viable alternative energy because of characteristics as biodegradability and absence of sulfur and aromatics. Biodiesel are esters that can be obtained from a wide range of oils (edible and non edible) and animal fats. The conversion of the oil into biodiesel has been achieved by transesterification of triacylglycerides with short-chain alcohols such as methanol and ethanol in the presence of a catalyst, leading to a mixture containing biodiesel and glycerin. After the reaction time, the mixture is allowed to stand in a separating funnel in order to remove the glycerin. The phase containing mainly biodiesel is rotary evaporated to eliminate the short-chain alcohol and then it is washed with water to remove residue of the catalyst. Parameters such as oil:alcohol molar ratio and catalyst content have an effect on the biodiesel production. Other important aspect to be evaluated is the chemical stability of biodiesel due to its high susceptibility to oxidation. The oxidation process of biodiesel, which depends on parameters such as temperature and light exposure, leads to the formation of insoluble gums and sediments that can block the filter system of fuel injection. In this context, methods based on optical spectroscopy appear as promising analytical tools since they may combine low cost, fast and accurate results as well as portability. In this project we propose to evaluate whether optical spectroscopy can be used as a tool to (i) to monitor the biodiesel production as a function of parameters such as time reaction and catalyst content, (ii) investigate the degradation of biodiesel submitted to different storage conditions and temperatures, and (iii) quantify the biodiesel content in diesel/biodiesel blends since such blends have been used worldwide because environmental, economic and social advantages. 24 R.2) Abiotic stress studies via fluorescence spectroscopy in biofuel species. In the past few years there has been a widespread scientific and technological interest in laser remote-sensing techniques to investigate the status of terrestrial vegetation. The fluorescence of terrestrial vegetation consists almost exclusively of the fluorescence of leaves, which account for the largest surface of plants above ground. Within the plant tissue, visible and NIR light is absorbed (>80%) by photosynthetic pigments and used to drive photosynthetic light reactions and associated electron transport reactions to reduce carbon and oxidize water in the Calvin cycle. A small part of the absorbed light energy is lost during the migration from the pigment antenna to the reaction centers and are dissipated by a number of non-photochemical processes, including heat, and re-emission of a small but easily detectable amount (2-5% in vivo) of the absorbed radiation. This re-emission occurs at longer wavelengths in the red around and far-red spectral region and is termed as Chlorophyll Fluorescence. In particular, the application of laser induced chlorophyll (Chl) fluorescence spectroscopy remote-sensing has drawn much attention recently owing to the noncontact and nondestructive nature of the technique. The technique can be applied for Chl determination in basic photosynthesis research, agriculture, horticulture, and forestry. Chlorophyll fluorescence represents an intrinsic signal emitted by plants that can be employed to monitor their physiological state including changes of the photosynthetic apparatus, developmental processes of leaves, state of health, stress events, stress tolerance, and also to detect diseases or nutrient deficiency of plants. Laser induced fluorescence (LIF) is exploited to evaluate the effect of abiotic stresses (salt stress) upon the evolution and characteristics of in vivo chlorophyll emission spectra of leaves tissues of Brazilian biofuel plants species (Saccharum officinarum RB863129 and Jatropha curcas). The chlorophyll fluorescence emission spectra of the 20 min predarkened intact leaves were studied employing several excitation wavelengths in the UV-VIS spectral region. Red (Fr) and far-red (FFr) chlorophyll fluorescence emission signals around 685 nm and 735 nm, respectively, were observed and analyzed as a function of stress intensity and time of illumination (Kautsky effect). The Chl fluorescence ratio Fr/FFr, which is a valuable nondestructive indicator of the chlorophyll content of leaves, was investigated. The dependence of the Chl fluorescence ratio Fr/FFr upon the intensity of the abiotic stress (salinity) was examined. The results indicated that the salinity plays a very important hole in the chlorophyll concentration of leaves tissues in both plants spieces, with a significant reduction in the Chl content for NaCl concentrations around and beyond 100 mM. Our results agreed quite well with those obtained using conventional in vitro spectrophotometric methods. The laser induced Chl fluorescence analysis allowed detection of damage caused by salinity in the early stages of the plants growing process, and as consequence can be used as an early-warning indicator of salinity stress. Publications in scientific journals 1) E. V. Rodriguez, C. B. de Araújo, A. M. Brito-Silva, V. I. Ivanenko, A. A. Lipovskii. HyperRayleigh scattering from BaTiO3 and PbTiO3 nanocrystals. Chemical Physics Letters 467, 335-338 (2009). 2) L. R. P. Kassab, F. A. Bomfim, J. R. Martinelli, N. U. Wetter, J. J. Neto, C. B. de Araújo. Energy transfer and frequency upconversion in Yb3+ - Er3+ doped PbO - GeO2 glass containing silver nanoparticles. Applied Physics B 94, 239-242 (2009). 3) K. Fedus, G. Boudebs, C. B. de Araújo, M. Cathelinaud, F. Charpentier, V. Nazabal. Photoinduced effects in Te20As30Se50 glass films with nonlinear characterization. Applied Physics Letters 94, 061122 (2009). 25 4) L. A. Goméz, C. B. de Araújo, R. Putvinskis Jr., S. H. Messaddeq, Y. Ledemi, Y. Messaddeq. Nonlinear optical properties of antimony-germanium-sulfur glasses at 1560 nm. Applied Physics B 94, 499-502 (2009). 5) L. R. P. Kassab, D. S. da Silva, R. de Almeida, C. B. de Araújo. Photoluminescence enhancement by gold nanoparticles in Eu3+ doped GeO2 - Bi2O3 glasses. Applied Physics Letters 94, 101912 (2009). 6) M. Nyk, A. Kuzmin, P. N. Prasad, W. Strek, C. B. de Araújo. Red up-conversion from nanocrystalline GaN powders co-doped with Er3+ and Yb3+. Optical Materials 31, 800-804 (2009). 7) F. E. P. dos Santos, C. B. de Araújo, A. S. L. Gomes, K. Fedus, G. Boudebs, D. Manzani, Y. Messaddeq. Nonresonant third-order nonlinear properties of NaPO3 - WO3 - Bi2O3 glasses in the near infrared. Journal of Applied Physics 106, 063507 (2009). 8) L. R. P. Kassab, R. de Almeida, D. M. da Silva, T. A. A. de Assumpção, C. B. de Araújo. Enhanced luminescence of Tb3+/Eu3+ doped tellurium oxide glass containing silver nanoparticles. Journal of Applied Physics 105, 103505 (2009). 9) T. A. A. Assumpção, D. M. da Silva, L. R. P. Kassab, C. B. de Araújo. Frequency upconversion luminescence from Yb3+-Tm3+ codoped PbO - GeO2 glasses containing silver nanoparticles. Journal of Applied Physics 106, 063522 (2009). 10) V. K. Rai, C. B. de Araújo, Y. Ledemi, B. Bureau, M. Poulain, Y. Messaddeq. Optical spectroscopy and upconversion luminescence in Nd3+ doped Ga10Ge25S65 glass. Journal of Applied Physics 106, 103512 (2009). 11) R. P. de Melo Jr, B. J. P. da Silva, F. E. P. dos Santos, A. Azevedo, C. B. de Araújo. Nonlinear refraction properties of nickel oxide thin films at 800 nm. Journal of Applied Physics 106, 093517 (2009). 12) A.B. Oliveira, G. Medeiros-Ribeiro, A. Azevedo. Submicron fabrication by local anodic oxidation of germanium thin films. Nanotechnology 20, 345301 (2009). 13) R. L. Rodríguez-Suárez, A. Azevedo, F.M. de Aguiar, S.M. Rezende. Spin-wave excitation by direct current in obliquely magnetized nanostructures. Journal of Magnetism and Magnetic Materials 321, 2596–2600 (2009). 14) E. P. Hernández, A. Azevedo, S. M. Rezende. Structure and magnetic properties of hexagonal arrays of ferromagnetic nanowires. Journal of Applied Physics 105, 07B525 (2009). 15) J. J. Andrade, A. G. Brasil, P. M. A. Farias, A. Fontes, B. S. Santos. Synthesis and characterization of blue emitting ZnSe quantum dots. J. Microelec.40, 641-643 (2009). 16) L. Pozzo, A. Fontes, A. A. Thomaz, B. S. Santos, P. M. A. Farias, D. Copi, S. Giorgio, C.L. Cesar. Studying taxis in real time using optical tweezers: Applications for Leishmania amazonensis parasites. Micron 40, 617-620 (2009). 17) S. Schietinger, L. de S. Menezes, B. Lauritzen, O. Benson. Observation of size dependence in multicolor upconversion in single Yb3+, Er3+ codoped NaYF4 nanocrystals. Nano Letters 9, 2477 (2009). 18) A. S. Gouveia Neto, L.A. Bueno, R. F. do Nascimento, E. B. da Costa, S. J. L. Ribeiro, Y. Messaddeq. Multiwavelength visible and white light generation by upconversion emission in Ho-Tm-Yb triply doped fluorogermanate glass-ceramic. Physics and Chemistry of GlassesEuropean Journal of Glass Science and Tech., 50, 37 - 40 (2009). 19) A. S. Gouveia Neto, L. A. Bueno, R.F do Nascimento, E. A. da Silva-Jr, E. B.da Costa, Rare-earth doped solid-state phosphor with temperature induced variable chromaticity. Materials Letters (General ed.), 63, 1999 - 2002 (2009). 20) A. S. Gouveia Neto, L.A. Bueno,, R. F. do Nascimento, M L Sundheimer, E. B. da Costa, S. J. L. Ribeiro, Y. Messaddeq. Upconversion Luminescence and Thermal Effects in TerbiumYtterbium Codopd Fluorogermanate Glass-Ceramic. Physics and Chemistry of GlassesEuropean Journal of Glass Science and Tech., 50, 34 - 36 (2009). 26 21) A. S. Gouveia Neto, L.A. Bueno, R.F. do Nascimento, E.A. da Silva, E.B. da Costa, 1540nm fiber laser excited upconversion luminescence in erbium-doped lead-fluoride nanocrystals. Journal of Non-Crystalline Solids, 355, 488 - 491 (2009). 22) A. R. L. Caires, M. D. Scherer, T. S. B. Santos, W. L. Gavassoni, S. L. Oliveira. Water Stress Response of Conventional and Transgenic Soybean Plants Monitored by Chlorophylla Fluorescence. Journal of Fluorescence 20, 645 - 679 (2010). 23) S. M. Lima, M. S. Figueiredo, L. H. C. Andrade, A. R. L. Caires, S. L. Oliveira, F. Aristone. Effects of residue and antioxidant on thermo-optical properties of biodiesel. Applied Optics 48, 5728 (2009). 24) S. B. Botta, P. A. Ana, D. M. Zezell, J. M. Powers, A. B. Mattos. Adhesion after Er,Cr: YSGG laser at three different irradiation conditions. Lasers in Medical Science, 24, 67-73 (2009). 25) L. Bachmann, K. Rosa, P. A. da Ana, D.M Zezell, A. Craievich, G. Kellermann. Crystalline structure of human enamel irradiated with Er,Cr: YSGG laser. Laser Physics Letters, 6, 159162 (2009). 26) D. M. Zezell, H. G. D. Boari, P. A. da Ana, C. P. Eduardo, G L. Powell. Nd:YAG Laser in Caries Prevention: A Clinical Trial. Lasers in Surgery and Medicine, 41, 31-35 (2009). 27) H. G. D. Boari, P. A. da Ana, C. P. Eduardo, G. L. Powell, D. M. Zezell. Absorption and thermal study of dental enamel when irradiated with Nd: YAG laser with the aim of caries prevention. Laser Physics, 19, 1463-1469 (2009). 28) C. M. França, C. M. Franca, S. C. Nuñez, R. A. Prates, E. Noborikawa, M. Faria, M. S. Ribeiro. Low-intensity red laser on the prevention and treatment of induced-oral mucositis in hamsters. Journal of Photochemistry and Photobiology. B, Biology 94, 25-31 (2009). 29) I. Sawasaki, V. R. Geraldo-Martins, M. S. Ribeiro, M. M. Marques. Effect of low-intensity laser therapy on mast cell degranulation in human oral mucosa. Lasers in Medical Science 24, 113-116 (2009). 30) J. Marotti, A. C. C. Aranha, C. de P. Eduardo, M. S. Ribeiro. Photodynamic therapy can be effective as a treatment for herpes simplex labialis. Photomedicine & Laser Surgery 27, 357363 (2009). 31) R. A. Prates, E. G. Silva, C. R. Paula, P. F. Chaves, A. J. S. Santos, M.S. Ribeiro. Photodynamic therapy can kill Cryptococcus neoformans in in vitro and in vivo models. Progress in Biomedical Optics and Imaging 3, 71650H-6 (2009). 32) R. A. Prates, E. G. Silva, A. M. Yamada Junior, L. C. Suzuki, C. R. Paula, M. S. Ribeiro. Light parameters influence cell viability in antifungal photodynamic therapy in a fluence and rate fluence-dependent manner. Laser Physics 19, 1038-1044 (2009). 33) N. U. Wetter, P. E. Branco, A. M. Deana, J. E. P. Pelino. Color differences of canines and incisors in a comparative long-term clinical trial of three bleaching systems. Lasers in Medical Science 24, 941 (2009). 34) L. F. C.Oliveira, M. A. P. Silva, A. R. Brandão, R. Stephani, C. I. R. Oliveira, R. R. Gonçalves, A.J. Barbosa, H. S. Barud, Y. Messaddeq, S. J. L. Ribeiro. Amorphous Manganese Polyphosphates: Preparation, Characterization and Incorporation of Azo Dyes. Journal of Sol-Gel Science And Technology, 50, 158 – 163 (2009). 35) G.Poirier, F. C. Cassanjes, Y. Messaddeq, S. J. L. Ribeiro. Crystallization of Monoclinic WO3 in Tungstate Fluorophosphate Glasses. Journal of Non-Crystalline Solids, 355, 441 – 446 (2009). 36) F. S. Ottoboni, G. Poirier, F. C. Cassanjes, Y. Messaddeq, Younes, S. J. L. Ribeiro, Crystallization Study of Molybdate Phosphate Glasses by Thermal Analysis. Journal of NonCrystalline Solids, 355, 2279 – 2284 (2009). 37) J.M.A. Caiut, J. Dexpert-ghys, Y. Kihn, M. Vérelst, H. Dexpert, S.J.L. Ribeiro,, Y. Messaddeq, Elaboration of Boehmite Nano-Powders by Spray-Pyrolysis. Powder Technology, 190, 95 – 98 (2009). 27 38) Y. Ledemi, S.H. Messaddeq, I. Skhripachev, S.J.L. Ribeiro, Y. Messaddeq, Influence of Ga Incorporation on Photoinduced Phenomena in GeS Based Glasses. Journal of NonCrystalline Solids, 355, 1884 – 1889 (2009). 39) L. D. Carlos, R. A. S. Ferreira, V. de Zea Bermudez,, S. J. L. Ribeiro, LanthanideContaining Light-Emitting Organic-Inorganic Hybrids: A Bet on The Future. Advanced Materials (Weinheim), 21, 509 – 534 (2009). 40) R. F. C. Marques, J. M. Caiut, C. O. Paiva-Santos, S. J. L. Ribeiro, Y. Messaddeq, C. Garcia, D. Neumeyer, H. Dexpert, M. Verelst, J. Dexpert-Ghys. Nanocomposites Materials Generated from a Spray. Brazilian Journal of Physics. 39, 176–181 (2009). 41) S. J.L. Ribeiro, A. M. C. Ferreira, E. I. Solomon, N. P. Farrell, Papers From Invited Speakers at The First Latin American Meeting on Biological Inorganic Chemistry.LABIC2008. Journal of Inorganic Biochemistry., 103, 1299–1299 (2009). 42) S. H. Santagneli, S. H. Messaddeq, S. J. L. Ribeiro, Y. Messaddeq, Photoinduced Effects In AsSP Glasses. Physica Status Solidi B, 246, 1866-1870, 2009. 43) L. C.de Santa Maria, A. L. C., Santos, P. C. Oliveira, H. S. Barud, Y. Messaddeq, S. J. L. Ribeiro, Synthesis And Characterization of Silver Nanoparticles Impregnated Into Bacterial Cellulose. Materials Letters (General Ed.), 63, 797 –799 (2009). 44) J. Tronto, S. Ribeiro, J. Valim, R R. Goncalves, Visible and Near-Infrared Luminescent Eu3+ or Er3+ Doped Laponite-Derived Xerogels and Thick Films: Structural and Spectroscopic Properties. Materials Chemistry and Physics 113, 71-77 (2009). 45) L.R.P. Kassab, R. Miedzinski, I. V. Kityk, J. Ebothe. D. M. da Silva, A. H.Reshak, Electron beam induced second-harmonic generation in Er3+ doped PbO-GeO2 glasses containing silver nanoparticles, Journal of Materials Science 20, 87-91 (2009). 46) A.P. Carmo, M. J. V. Bell, R. A. V. Anjos, D. M. da Silva, L. R. P. Kassab, Thermo optical properties of tellurite glasses doped with Eu3+ and Au nanoparticles, Journal of Physics. D, Applied Physics 42, 155404 (2009). 47) C. R. Mendonca, M. Kandyla, T. Shih, R. F. Aroca, C. J. L. Constantino, E. Mazur. Ultrafast dynamics of bis (n-butylimido) perylene thin films excited by two-photon absorption. Applied Physics A-Materials Science & Processing 96, 369-72 (2009). 48) D. L. Silva, L. Misoguti, C. R. Mendonca. Control of Two-Photon Absorption in Organic Compounds by Pulse Shaping: Spectral Dependence. Journal of Physical Chemistry A 113, 5594-97 (2009). 49) Z. H. Ye, L. de Boni, U. M. Neves, C. R. Mendonca, X. R. Bu. Synthesis and two-photon absorption property of novel salen complexes incorporated with two pendant azo dyes. Tetrahedron Letters 50, 1371-73 (2009). 50) P. H. D. Ferreira, D. L. Silva, L. Misoguti, C. R. Mendonca. MEH-PPV photobleaching control by femtosecond pulse shaping. Physica Status Solidi A-Applications and Materials Science 206, 126-30 (2009). 51) F. J. Pavinatto, J. Y. Barletta, R. C. Sanfelice, M. R. Cardoso, D. T. Balogh, C. R. Mendonca, O. N. Oliveira. Synthesis of azopolymers with controlled structure and photoinduced birefringence in their LB films. Polymer 50, 491-98 (2009). 52) D. L. Silva, P. Krawczyk, W. Bartkowiak, C. R. Mendonca. Theoretical study of one- and two-photon absorption spectra of azoaromatic compounds. Journal of Chemical Physics 131, (2009). 53) C. R. Mendonca, D. S. Correa, F. Marlow, T. Voss, P. Tayalia, E. Mazur. Three-dimensional fabrication of optically active microstructures containing an electroluminescent polymer. Applied Physics Letters 95, (2009). 54) D. S. Correa, P. Tayalia, G. Cosendey, D. S. dos Santos, R. F. Aroca, E. Mazur, C. R. Mendonca. Two-Photon Polymerization for Fabricating Structures Containing the Biopolymer Chitosan. Journal of Nanoscience and Nanotechnology 9, 5845-49 (2009). 28 55) V. C. Goncalves, L. M. M. Costa, M. R. Cardoso, C. R. Mendonca, D. T. Balogh. Synthesis and Characterization of Copolymers of Alkyl- and Azo-Thiophenes: Chromic Properties and Photoinduced Birefringence. Journal of Applied Polymer Science 114, 680-87 (2009). 56) E. Piovesan, D. L. Silva, L. de Boni, F. E. G. Guimaraes, L. Misoguti, R. Zalesny, W. Bartkowiak, C. R. Mendonca. Two-photon absorption of perylene derivatives: Interpreting the spectral structure. Chemical Physics Letters 479, 52-55 (2009). 57) P. J. Goncalves, I. E. Borissevitch, S. C. Zilio. Effect of protonation on the singlet-singlet excited-state absorption of meso-tetrakis (p-sulphonatophenyl) porphyrin. Chemical Physics Letters 469, 270-73 (2009). 58) G. Barros, I. Guedes, L. Misoguti, S. C. Zilio, C. K. Loong, J. Wang, X. Hu, H. Zhang. Nonlinear refractive index of RECOB (RE = Gd and La) crystals. Applied Physics B-Lasers and Optics 94, 221-25 (2009). 59) G. S. Maciel, R. B. Guimarães, P. G. Barreto, I. C. S. Carvalho, N. Rakov. The influence of Yb3+ doping on the upconversion luminescence of Pr3+ in aluminum oxide based powders prepared by combustion synthesis, Optical Materials 31, 1735 (2009). 60) N. Rakov, L. A. Gómez, D. J. Rativa, G. S. Maciel, Blue upconversion emission from Tm3+ sensitized by Nd3+ in aluminum oxide crystalline ceramic powders, Applied Physics. B, Lasers and Optics 94 199 (2009). 61) H. P. de Oliveira, J. J. F. Albuquerque Jr., C. Nogueiras, J. Rieumont. Physical chemistry behavior of enteric polymer in drug release systems. International Journal of Pharmaceutics 366, 185 (2009). 62) H. P. de Oliveira, G. F. Tavares, C. Nogueiras, J. Rieumont. Physico-chemical analysis of metronidazole encapsulation processes in Eudragit copolymers and their blending with amphiphilic block copolymers Journal of Pharmaceutics 380, 55-61 (2009). 63) A K. S. Braz, B. C. Kyotoku, R Braz, A S. L. Gomes. Optical Coherence Tomography evaluation of crack propagation in dental composites, Dental Materials 25, 74-79 (2009). 64) D. D. Fonsêca, B. C. Kyotoku, A M. A. Maia, A S. L. Gomes. In Vitro imaging of remaining dentin and pulp chamber by Optical Coherence Tomography: comparison between 850 nm and 1280 nm. J. Biomed. Opt. 14, 024009 (2009); 65) F. E. P. dos Santos, F. C. Fávero, A.S.L. Gomes, J. Xing, Q. Chen, M.Fokine, I. C. S. Carvalho. Evaluation of the third-order nonlinear optical properties of tellurite glasses by thermally managed eclipse Z-scan. Journal of Applied Physics 105, 024512/1-4 (2009). 66) D Rativa, R. E. de Araujo, A. S. L. Gomes. Non resonant third-order nonlinearity of nanometric and subnanometric silver particles in aqueous solution J. Nanoscience and Nanotechnology 9, 1886-1890 (2009). 67) A. S. L. Gomes. Nanobiophotonics: example of scientific convergence. Journal of Nanophotonics, 3, 030304 (2009). 68) A. K.S.Braz, B. B. C. Kyotoku, A S. L. Gomes. In Vitro tomographic image of human pulpdentin complex by Optical Coherence Tomography J. of Endodontics, 35, 1218-1221 (2009). 69) D. V. da Silva, A S.L. Gomes. Performance of analog optical links employing fiber Raman amplifiers. Optics Communications 282, 3085-3088 (2009). 70) A. Z. Freitas, D. M. Zezell, M. P. A. Mayer, A. C. Ribeiro, A. S. L. Gomes, N. D. Vieira, Jr. Determination of dental decay rates with optical coherence tomography. Laser Physics Letters 1–5 (2009) 71) D. Rativa, R. E. de Araujo, A. S. L. Gomes, B. Vohnsen. Hartmann-Shack wavefront sensing for nonlinear materials characterization. Opt. Express 17, 22047-22053 (2009). 72) G. H. G. Nakamura, S. L. Baldochi, V. L. Mazzocchi, C. B. R. Parente, M. E. G. Valéria, D. Klimm. Problems in Thermal Investigation of the BaF2-YF3 system, Journal of Thermal Analysis and Calorimetry, 95, 43–48 (2009). 73) L. Gomes, A. F. H. Librantz, F. H. Jagosich, W. A. L. Alves, I. M. Ranieri, S. L. Baldochi. Energy transfer rates and population inversion of 4I11/2 excited state of Er3+ investigated by 29 means of numerical solutions of the rate equations system in Er:LiYF4 crystal. Journal of Applied Physics, 106, 103508 (2009). 74) A. F. H. Librantz, L. Gomes, L. C. Courrol, I. M. Ranieri, S. L. Baldochi. Population inversion of 1G4 excited state of Tm3+ investigated by means of numerical solutions of the rate equations system in Yb:Tm:Nd:LiYF4 crystal. Journal of Applied Physics, 105, 113503 (2009). 75) M. V. R Velasco, T. C. S. Dias, A. Z. Freistas; N. D. Vieria Jr., C. A. S. O. Pinto, T. M. Kaneko, A. R. Baby. Hair fiber characteristics and methods to evaluate hair physical and mechanical properties. Brazilian Journal of Pharmaceutical Sciences, 45, 153-162 (2009). 76) F. V. Motta, A. T. de Figueiredo, V. M. Longo, V. R. Mastelaro, A. Z Freitas, L. Gomes; N. D. Vieira Jr., E. Longo, J. A. Varela. Disorder-dependent photoluminescence in Ba0.8Ca0.2TiO3 at room temperature. Journal of Luminescence, 129, 686-690 (2009). 77) M. V. R. Velasco, A. R. Baby, F. D. Sarruf, T. M. Kaneko, R. E. Samad, N. D. Vieira Jr, A. Z. Freitas. Prospective ultramorphological characterization of human hair by optical coherence tomography. Skin Research and Technology, 15, 440-443 (2009). 78) A. Z. Freitas, D. M. Zezell, M. P. A. Mayer, A. C. Ribeiro, A. S. L. Gomes, N. D. Vieira Jr. Determination of dental decay rates with optical coherence tomography. Laser Physics Letters, 6, 896-900 (2009). 79) N. U. Wetter, E. C. Souza, I. M. Ranieri, S. L. Baldochi. Compact, diode-side-pumped Nd3+:YLiF4 laser at 1053 nm with 45% efficiency and diffraction-limited quality by mode controlling. Optics Letters 34, 292 (2009). 80) M. O. Rodrigues, F. A. Almeida Paz, R. O. Freire, G. F. de Sá, A. Galembeck, M. C. B. S. M. Montenegro, A. N. Araújo, S. Alves, Modeling, Structural, and Spectroscopic Studies of Lanthanide-Organic Frameworks. Journal of Physical Chemistry B., 113, 12181 - 12188 (2009). 81) E. Skovroinski, R. J. de Oliveira, A. J. G. Zarbin, A. Galembeck. Polyphosphate based electrochemical capacitors. Synthetic Metals. 159, 2309 - 2311 (2009). Textbook (In Portuguese) S. C. Zilio, Óptica Moderna – fundamentos e aplicações. Editora Compacta, São Carlos. SP. (ISBN 978-85-88533-41-7). Book Chapters 1) R. E. de Araujo, D. Rativa, A. S. L. Gomes . Enhanced multi-photon excitation of Tryptophan-silver colloid. In: C. D. Geddes. (Org.). Metal-Enhanced Fluorescence. New Jersey: John Wiley and Sons, 2009 (To be published in 2010). 2) O. Benson; S. Gotzinger, A. Mazzei, G. Zumofen, V. Sandoghdar, L. de S. Menezes. Nanophotonics with microsphere resonators. In: El-Hang Lee; Louay Eldada; Manijeh Razeghi; Chennupati Jagadish. (Org.). VLSI Micro - and Nanophotonics: Science, Technology, and Applications. Boca Raton: CRC Press, To be published (2010). 3) L. Bachmann, D. M. Zezell. Laser Physics and Laser Tissue Interaction. In: C. Caprioli; M. C. Vitale. (Org.). Lasers in Dentistry - Practical textbook. 1 ed. Itália: Edizioni Martina, 2009, p. 01-14. 4) P. M. A. de Farias, B. S. Santos, A. Fontes. Semiconductor Fluorescent Quantum Dots: Efficient Biolabels in Câncer Diagnostics. In: J. W. Lee, R. S. Foote (Org.) Micro and Nanotechnology in Bioanalysis-Methods in Molecular Biology (Springer, N. Y., 2009) Vol. 544. Pp. 407-419. 30 Patents 1) C. P. de Melo. International Patent: PCT/BR2009/000117, Fluorescent Composites, and Use in Rapid Diagnosis Systems with Affinity to Biological Molecules, June 03, 2009 – UFPE. 2) C. Legnani, H. S. Barud, W. G. Quirino, Y. Messaddeq, S. J. L. Ribeiro, C. A. Achete, M. Cremona, Organic biocompatible materials with emission of light. Process of fabrication. Deposited in September 2009 – UNESP. 3) M. Nalin, C. Molina, H. C. Barud, S. J. L. Ribeiro, Y. Messaddeq, Photochromic Materials obtained from polymeric matrix, N°018090014997. Deposited in March 26, 2009 - UNESP. 4) D. S. C. dos Anjos, E. C. V. Revoredo, A. Galembeck, Process for the obtention of polymeric materials based on the polymerization and compatibilization of silicone, acrylic resins and alkoxides and their use as materials for ortheses and protheses production. Deposited in March, 2009 – UFPE. Tecnology transfer 1) Company: Aps-Flora- Ribeirão Preto. Bacterial Cellulose Dressing with Propolis. UNESP. 2) Company: Vicunha- Americana: Production of Viscose from bacterial Cellulose. FINEP Funding: R$ 35 millions. UNESP. 3) Company: DMC-Sao Carlos-SP. Production of Composite based on Bacterial Cellulose for dental applications. UNESP. Interaction with industrial companies and hospital 1) Fibrocell- Londrina / PR (UNESP - Y. Messaddeq). 2) Le Verre Flouré – France (UNESP (Y. Messaddeq). 3) Natura – Brazil (IPEN – A. Z. Freitas) Optical Coherence Tomography as an efficient tool to determine roughness profile in wrinkles in skin. The aim of the project is to stablish an in vivo protocol to determine the efficiency of a cosmetic cream in the attenuation of wrinkles in facial skin. An algorithm was developed to optimize the parameter calculations in the evaluation of roughness decrease. 4) Erickson – Brazil/Sweden (UFPE and UNESP - A. S. L. Gomes and Y. Messaddeq). 5) Coractive- Quebec-Canada (UNESP- Y.Messaddeq). 6) BASF SE (Ludwigshafen, Germany) Toxicological studies of CdS/Cd(OH)2 quantum dots (UFPE - Patricia Farias, Beate Santos, and Adriana Fontes). 7) Hospital do Câncer de Pernambuco – Recife/PE, Brazil (CETENE/UFPE – A. Galembeck). 8) The Optics Shop of USP – São Carlos has been working for several years helping industrial companies dedicated to Optics. In 2009 it was developed a pulsed light source for dermatology applications (This product is now in the national market being offered by INDUSTRA, a local company). Another example is the joint work for development of a lensmeter for characterization of ophthalmic lenses with EYETEC, a local company). Difusion and Popularization of Science 1. Implantation of a Scientific Vídeo Library (UFPE – Recife) for high – school teachers, high – school and undergraduates students. 2. Optics events at São Carlos: Optics week in the high – school (one week of classes with demonstration of Optics phenomena for high – school students). Overview of Optical Science (one day with talks on hot topics in Optics dedicated to undergraduate and graduate students). 31 3. Articles published in popular journals and magazines (In Portuguese) • AS. L. Gomes. Ciência, inovação e o Nobel de física de 2009. Recife, Brasil, 03 novembro 2009. http://jc3.uol.com.br/blogs/blogcma/canais/artigos/index.php • S. Saska, H. S. Barud, S. J. L. Ribeiro, Y. Messaddeq, Gel e biocurativo são testados como antibacteriano - Estudos com própolis e celulose em Araraquara.. Jornal da UNESP. 2009. • Y. Messaddeq, H. S. Barud, S. Saska, S. J. L. Ribeiro. Pesquisadores da Unesp Desenvolvem Pele Artificial para o Tratamento de Queimados. Jornal Tribuna Impressa. Araraquara, p.11 - 11, 2009. • H. S. Barud, J. M. A. Caiut, S. J. L. Ribeiro, Y. Messaddeq. Telas Multimídias – Instituto de Química UNESP busca patente. Jornal de Araraquara, Sábado e Domingo. Araraquara, p.4 - 4, 2009. • S. J. L. Ribeiro, Y. Messaddeq. “Finas e flexíveis” - Pesquisadores brasileiros criam telas multimídia com papel transparente e dobrável. Revista FAPESP - Outubro 2009 Tecnologia - Engenharia de Materiais. São Paulo, 2009. Thesis, Dissertations and Undergraduate Projects presented in 2009 Doctor of Sciences (D. Sc.) Thesis (In Portuguese) 1. I. T. Kato. Avaliação dos efeitos promovidos pela radiação azul na remineralização do esmalte dentário in vitro. IPEN. 2. B. Montanari. Síntese e incorporação de polioxometalatos em matrizes inorgânicas e híbridas amorfas: Propriedades e aplicações. UNESP. 3. A. B. de Oliveira. Nanolitografia com microscópio de força atômica: estruturas magnéticas confinadas e transporte magnético. UFPE. 4. E. P. Hernandez. Características microestruturais e propriedades magnéticas de arranjos de nanofios magnéticos. UFPE. 5. D. L. da Silva. Controle coerente do processo de absorção de dois fótons em compostos orgânicos. USP – São Carlos. 6. E. Piovesan. Propriedades ópticas não lineares de compostos orgânicos e organo – metálicos. USP – São Carlos. Master of Sciences (M. Sc.) Dissertations (In Portuguese) 1. M. A. S. de Oliveira. Laser aleatório por Conversão Ascendente de Freqüência em Neodímio. UFPE. 2. R. de Almeida Pinto: Síntese e caracterização de vidros de telureto dopados com íons de Eu3+ e Tb3+ e com nanopartículas metálicas. FATEC – SP. 3. G. L. da Silva. Processos de reversão da magnetização em fios e filmes finos magnéticos. UFPE. 4. T. E. P. Bueno. Acoplamentos magnéticos em bicamadas e válvulas de spin: dependência com a temperatura. UFPE. 5. J. B. S. Mendes. Investigação de relaxação e anisotropias magnéticas em filmes obliquamente depositados. UFPE. 6. R. M. B. M. do Nascimento. Nanopartículas fluorescentes de semicondutores: Aplicação no desenvolvimento de protocolos para diagnóstico de neoplasias. UFPE. 7. R. L. S. de L. e Silva. “Instrumentação para espectroscopia de modos ópticos com alto fator de qualidade em microesferas de sílica”. UFPE. 8. M. V. Figueiredo. Propriedades espectroscópicas de aglomerados polianilina/ouro: uma investigação ab initio. UFPE. 32 9. J. M. Pinheiro Jr. Espectroscopia Eletrônica e Solvatação de Cromwiteriônicos: um estudo ab initio. UFPE 10. M. P. Raele. Desenvolvimento de um Sistema de Tomografia por Coerência Óptica no Domínio de Fourier Sensível à Polarização e sua Utilização na Determinação das Matrizes de Mueller. IPEN. 11. J. R. Moraes. Fibras monocristalinas de tungstatos duplos de metais alcalinos de terras raras: um estudo de crescimento através da técncia de micro-pulling down. IPEN. 12. L. C. Suzuki. Desenvolvimento de biofilme formado por Candida albicans in vitro para estudo da terapia fotodinâmica. IPEN. 13. H. M. da Silva Matias Dantas Linhares. Sintese e caracterização de Fluoretos do tipo KY3F10. IPEN. 14. T. M. Pereira. Determinação da difusividade térmica do esmalte e dentina em função da temperatura, utilizando termografia no infravermelho. IPEN 15. J. S. R. Neto. Hidroxiapatita sintética nanoestruturada e esmalte dental aquecidos e irradiados por laser de Er:Cr:YSGG: caracterização espectroscópica por FTIR e por DRX. IPEN. 16. A. F. Leão. Abordagem Teórico-Experimental do Efeito de Tunelamento Quântico em Dispositivos Semicondutores. IPEN. 17. M. A. Rosas. Conversão ascendente de energia em pós de alumina dopada com Er e codopada com Er-Yb. IPEN. 18. E. S. Araújo. Caracterização elétrica e óptica de transições de fase em colóides e microemulsões. IPEN. 19. F. G. Albero. Diagnóstico de lesões da tireóide pela espectroscopia de absorção no infravermelho por transformada de Fourier. IPEN. 20. K. S. de Arruda. Híbridos Orgânicos-Inorgânicos Ácidos Graxos-Siloxanos. UNESP. 21. I. S. Klein. Estudo da Incorporação de Partículas Metálicas Em Vidros Fosfato Contendo Tungstênio. UNESP. Undergraduate projects (In Portuguese) 1) M. E. da S. Júnior. Monografia de fimde curso (Licenciatura em Física). Produção de fibras estranguladas para acoplamento de luz a microcavidades ópticas. UFRPE. 2) R. B. de Lira. Monografia de conclusão de curso: Pontos quânticos como sondas fluorescentes para marcação de sistemas biológicos. Biomedicina – UFPE. 3) A.L.F. Tavares. Monografia de fim de curso: Estudo sobre a análise e caracterização da elasticidade das hemácias através de pinças ópticas; Biomedicina – UFPE. 4) A. T. de Sales Neto. Monografia de conclusão de curso: Imunomarcação de antígenos eritrocitários do tipo a com nanopartículas fluorescentes de semicondutores CdS/Cd(OH)2; Ciências Farmacêuticas (Especialização em Análises Clínicas) UFPE. 5) A. C.A. de Siqueira; Monografia de conclusão de curso: Desenvolvimento de protocolo de bioconjugação de nanoimunomarcadores; Ciências Farmacêuticas (Especialização em Análises Clínicas) – UFPE Scientific Iniciation (Undergraduate Projects) (In Portuguese) 1) A. J. S. Santos. Estudo dos efeitos da fototerapia em processos inflamatórios. IPEN. 2) P. F. Chaves. Estudo histológico dos efeitos biológicos da terapia fotodinâmica em periodontite induzida em ratos. IPEN. 3) H. da Silva Santana. Desenvolvimento de próteses buco-maxilo-faciais à base de silicone e silicone-PMMA. UFPE. 33 4) R. F. Pereira Clementino. Preparação e Caracterização de Nanopartículas de Polifosfato e Compósitos Polifosfato-Metal (Caroço-Casca). UFPE. 5) K. Nigoghossian. Extração, Caracterização e Aplicação da Pectina do Bagaço de Laranja. UNESP. 6) A. M. de Araújo Júnior. Membranas de celulose regenerada com porosidade controlada como biomateriais Bacteriana UNESP. 7) M. V. dos Santos. Novos Dispositivos Foto - Eletrocrômicos de Celulose Bacteriana e Polioxometalatos UNESP. 8) L. P. Camargo. Híbridos Orgânicos - Inorgânicos Siloxanos- Ácidos Graxos UNESP. 9) F. K. Fukumoto. Preparação e Caracterização de Celulose Bacteriana. UNESP. 10) L. R. de Lima. Materiais Fotoocrômicos à Base de Celulose Bacteriana. UNESP. 11) M. D. Nucci. Desenvolvimento e Avaliação de Nova, Formulação para Aplicação em Peeling Químico de Fenol. UNESP. 12) A. Z. Graeff. Vidros de Baixa Tg. UNESP. 13) K. A. Rancan. Estudo Estrutural de Vidros Fosfatos, Contendo Chumbo e Tungstênio, Como Potencial Matriz Imobilizadora de Resíduos Radioativos UNESP. 14) C. M. Caliri. Conformação de Lente Terapêutica, a Partir de Celulose Bacteriana, com Incorporação de Antibiótico para Aplicação Médica. UNESP. 15) M. Montesso. Síntese e Caracterização do sistema NaPO3-Sb2O3. UNESP. 16) D. B. dos Santos. Derivados Colestéricos Luminescentes de Celulose Bacteriana UNESP. 17) L. D. G. Souto. Scaffolds para Regeneração Óssea Formada por Celulose Bacteriana e Hidroxiapatita. UNESP. 18) M. Montesso. Síntese e Caracterização do Sistema NaPO3-Sb2O3 UNESP 19) F. P. Butarelli. Produção e estudo térmico de biodiesel de crambe [Crambe abyssinica]. UFGD. 20) A. de O. Caetano Junior. Preparação e caracterização óptica de biodiesel de jerivá [Syagrus romanzoffiana (Cham.) Glassman] obtido através de reação de transesterificação via rota metílica. UFGD. 21) V. P. Goulart. Efeito do laser de Nd: YAG na resistência a desmineralização do esmalte quando associado a aplicação de fluoreto. IPEN Awards 1) Best paper – Optics Session do XXXII Encontro Nacional de Física da Matéria Condensada, Águas de Lindóia, M. P. Raele, M. M. Amaral, N. D. Viera Jr., A. Z. Freitas, Comparing methods of FD-OCT signal processing via Computer Simulations. 2) Trabalho em Destaque - apresentado na International School on Fundamentals & Basic Methods of Crystal Growth, Romanian Materials Science - Crystal Growth Society -2009 3) Best Scientific Image, Instituto de Física de São Carlos - IFSC/USP – (Fotografia de fibra de tunsgstato em crescimento) Escola de Física de Materiais .2009. 4) Awarded research: J. M. Aldrigui, I. C. Cadioli, P. Zanardi, G. E. C. Nogueira, M. T. Wanderley. Acompanhamento clínico e radiográfico de incisivos decíduos traumatizados acinzentados após realização da FLD. 2o Congresso Brasileiro de Traumatologia Dentária, São Paulo, May 2009. 5) Best poster of 2009: R. G. Sobral-Filho, R. B. Silva, A. M. Brito – Silva, C. B. de Araújo, S. A. Junior, A. Galembeck. Novel route to synthesize metallic nanoshells on dielectric cores. 15th International Sol – Gel Conference, Porto de Galinhas August 23 - 27. Paper PSG 149 6) Magnetic properties of nanowires and nanodisks, Tiago S. Machado, T.G. Rapapport, Luiz C Sampaio, XXXII Encontro Nacional de Física da Matéria Condensada. Águas de Lindóia, SP 34 May 11 -15. The student Tiago S. Machado, was awarded with Best presentation in the Magnetism Session. 7) Award for the best work presented in the session on Composites and nanocompositesat the Brazilien Conference on Polymer, Rio de Janeiro-RJ, 2009 Conferences and Workshops in 2009 International Conferences 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. C. B. de Araújo, Invited talk. Plasmonics in Random Media. French-Brazilian Colloquium. Brazilian Academy of Sciences. September 14-16. Rio de Janeiro. C. B. de Araújo, Plenary talk. Nonlinear optical spectroscopy of nanostructured materials. Santiago do Chile. Sept. 28 - Oct. 02. C. B. de Araújo. Invited talk. Surface – plasmons enhanced nonlinear spectroscopy of random media. Fourth Rio de La Plata Workshop – Uruguai. December 8–11. D.M. Zezell. Invited Talk. Effects of lasers on chemical composition of enamel and dentin. 29th Annual Conference of American Society for Laser Medicine and Surgery- Dentistry Section. April 1-5, 2009 -Washington-USA. Luiz C. Sampaio, Invited talk. Session:Spintronics, NanoScience and Engineering - Optics and Photonics 2009, SPIE, San Diego, August 2-6, 2009 L. H. F. Andrade, M. Vomir, A. D. Santos, J.Y. Bigot, Invited talk. Ultrafast magnetization dynamics in magnetic nanoparticles and rare-earth doped Co films studied with femtosecond laser pulses, NSEQO2009, Nanomagnetism, Spin electronics and Quantum optics, Rio de Janeiro, November 11 – 13, 2009, A. B. Oliveira, G. Medeiros-Ribeiro, A. Azevedo. Invited talk. Investigation of magnetic nanostructures fabricated by AFM lithography. 11th International Conference on Advanced Materials Rio de Janeiro, RJ Sept.20 - 25. A. Azevedo. Invited talk. Spin-wave relaxation in ferromagnetic nanostructures. Magnonics: From Fundamentals to Applications. International Seminar and Workshop. Dresden, Alemanha Aug. 02 - 07. A. Azevedo. Invited talk. Relaxation processes in ferromagnetic nanostructures. XXXII National Meeting of Condensed Matter Physics. SP May 11 – 15, 2009. C. B. de Araújo, M. A. Oliveira, Y. Messaddeq. Ultraviolet random lasing in Nd3+ doped fluoroindate glass powder CLEO/Europe–Munique, 2009. Paper CD5.5 THU. L. de S. Menezes, L. A. Gómez, C. B. de Araújo, R. R. Gonçalves, S. J. L. Ribeiro, Y. Messaddeq. Frequency upconversion in Er3+ and Yb3+ - doped zirconia and hafnia nanocrystals excited at 980 nm in the continuous wave regime (CLEO/Europe – Munique, June 2009). Paper: CE 1.2 MON. R. G. Sobral-Filho, R. B. Silva, A. M. Brito – Silva, C. B. de Araújo, S. A. Junior, A. Galembeck. Novel route to synthesize metallic nanoshells on dielectric cores. 15th International Sol – Gel Conference, Porto de Galinhas. Aug. 23 - 27. Paper PSG 149. Best poster of 2009. D. S. Silva, L. R. P. Kassab, C. B. de Araújo. Eu3+ luminescence in PbO-GeO2 glasses containing silver nanoparticles. XII Conference on the Physics of Non-Crystalline Solids. Sept. 6-10, 2009 - Foz do Iguaçu. T. A. A. de Assumpção, D. M. da Silva, L. R. P. Kassab, C. B. de Araújo. Influence of the heat-treatment on the nucleation of metallic nanoparticles in Tm3+/Yb3+ doped leadgermanate glasses. XII Conference on the Physics of Non-Crystalline Solids. Sept. 6-10, 2009 - Foz do Iguaçu. 35 15. D. M. Silva, L. R. P. Kassab, C. B. de Araújo, A. S. L. Gomes. Characterization of RFsputtered PbO-GeO2 amorphous films containing silver nanoparticles. XII Conf. on the Physics of Non-Crystalline Solids. Sept. 6-10, 2009. Foz do Iguaçu. 16. T. R. Oliveira, G. Barros, A. Galembeck, L. A. Gómez, C. B. de Araújo. Third-order Nonlinearity of Nickel Nanocolloids. 2009 Frontiers in Optics (FiO)/Laser Science XXV (LS) Conference - San Jose, California, October 11-15, 2009. Paper: FThS1. 17. E. C. L. Almeida, L. de S. Menezes, C. B. de Araújo, A. A. Lipovskii. Ultrafast Dephasing Time Measurements in a Niobic-Silicate Nanocomposite Using Incoherent Light. 2009 Advances in Optical Materials (AIOM) meeting - San Jose, California, October 11-15, 2009. Paper: AThC5. 18. T. A. A. Assumpção, L. R. P. Kassab, R. de M. B. Diniz, A. S. L. Gomes, C. B. de Araújo. Influence of heat treatment on the nucleation of silver nanoparticles in Tm3+ doped PbOGeO2 glasses. International Workshop on Nanophotonics and Biophotonics, 2009, Recife 19. T. A. A. Assumpção, D. M. da Silva, L. R. P. Kassab, C. B. de Araújo. The influence of heat treatment on the nucleation of metallic nanoparticles in Tm3+/Ym3+ doped lead - germanate glasses. XII Conference on the Physics of Non-Crystalline Solids. Sept. 6-10, 2009 - Foz do Iguaçu. 20. F. A. Bonfim Junior, L. R. P. Kassab, J. R. Martinelli, T. A. A. Assumpção, D M. da Silva, C. B. de Araujo, Infrared-to-violet conversion process in Yb3+/Er3+ co-doped GeO2-PbO glasses with silver nanoparticles. XII Conference on the Physics of Non-Crystalline Solids. Sept. 6-10, 2009 - Foz do Iguaçu. 21. D. S. da Silva, L R P Kassab, C. B. de Araújo, Eu3+ luminescence in PbO-GeO2 glasses containing silver nanoparticles. XII Conference on the Physics of Non-Crystalline Solids Sept. 6-10, 2009 - Foz do Iguaçu. 22. D. M. da Silva, L R. P. Kassab, C. B. de Araújo, A S L Gomes. Characterization of RFsputtered PbO-GeO2 amorphous films containing silver nanoparticles. XII Conference on the Physics of Non-Crystalline Solids. Sept. 6-10, 2009 - Foz do Iguaçu. 23. R.L. Rodríguez-Suárez, A. Azevedo, S.M. Rezende. Influence of the spin transfer torque on spin-wave excitations in magnetic tunnel junctions. International Conference on Magnetism. Karlsruhe, Alemanha, July 26 – 31, 2009. 24. A. B. de Oliveira, Gilvania L. da Silva, S.M. Rezende, A. Azevedo. Magnetization reversal in single ferromagnetic rectangular nanowires. International Conference on Magnetism. Karlsruhe, Alemanha. July 26 – 31, 2009. 25. P. M. A. Farias, B. S. Santos, A. Fontes, C. R. Chaves, R. B. Lira, R. C. B. Q. Figueiredo, E. I. C. Beltrao, D. Scordo. Compact water-soluble core-shell quantum dots: A three dimensional approach for histological labeling methods. Abstracts of Trends in Nanoscience, 64-64 (2009). 26. A. Fontes, P. M. A. Farias, B. S. Santos, C. R. Chaves, R. B. Lira, A. G. Brasil Junior, K. H. G. Carvalho, D. C. Silva, R. C. B. Q Figueiredo. Biological samples labeled with water soluble fluorescent CdS/Cd(OH)2 and PEGylated CdS/Cd(OH)2 quantum dots: A comparative study on optical properties. Abstracts of Trends in Nanoscience, 66-66 (2009). 27. T. Sales Neto, A. G. Brasil Junior, D. P. L. A. Tenorio, R. B. Lira, P. M. A. Farias, A. Fontes, B. S. Santos. CdS/Cd(OH)2 Nanocrystals as New Biophotonic Tools to Investigate the Antigens A Expression in Red Blood Cells. International Conference on Advanced Materials, Rio de Janeiro. (2009). 28. A. G. Castro Neto, A. Fontes, B. S. Santos, D. P. L. A. Tenorio, J. Saade, P. M. A. Farias. Synthesis, optical and structural characterization of fluorescent water soluble CdSe/CdS quantum dots. International Conference on Advanced Materials, Rio de Janeiro. (2009). 29. R. B. Lira, K. H. G. Carvalho, M. Cavalcanti, A. J. Amaral, B. S. Santos, P. M. A. Farias, A. Fontes. Biocompatible Water Soluble Quantum Dots as Human Lymphocytes Cells Labels 36 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. Applications for Flow Cytometry. International Conference on Advanced Materials, Rio de Janeiro. (2009). D. P. L. A. Tenorio, R. M. B. M.Nascimento, T. M.Stamford, B. S. Santos, A. Fontes, P. M. A. Farias. Physico-chemical analyses of distintc chitosan and their potential as quantum dots biocompatibilization agents. International Conference on Advanced Materials, Rio de Janeiro. (2009). E. S. Leite, J. Souza, K. H. G. Carvalho, A. G. Brasil Jr, A. Fontes, P. M. A. Farias, B. S. Santos. Theoretical Study of a Quantum Dot Interacting with Different Functionalizers. International Conf. on Advanced Materials, Rio de Janeiro. (2009). A. R. Chaves, D. B. Almeida, A. Fontes, C.L. Cesar, B. S. Santos, P. M. A. Farias. Silica Capped CdS/Cd(OH)2 Quantum Dots for Biological Applications. International Conference on Advanced Materials, Rio de Janeiro. (2009). A. S. Gouveia Neto, R. F. do Nascimento, L. A. Bueno, E. A. da Silva-Jr, E. B. da Costa. Rare-earth doped solid-state phosphor with temperature induced variable chromaticity In: Photonics West 2009, 2009, San Jose. Proceedings of SPIE. 7197. 001 – 006 (2009). S. M. Lima, M. S. Figueiredo, L. H. C. Andrade, A. R. L. Caires, S. L. Oliveira, F. Aristone. Effect of Residue and Antioxidant on Thermal Diffusivity of Biodiesel. In: 15th International Conference on Photoacoustic and Photothermal Phenomena, Leuven, Bélgica (2009). D.M. Zezell, P. A. Ana, F. G. Albero, L. Bachmann. Effects of lasers on chemical composition of enamel and dentin. American Society for Laser Medicine and Surgery Abstracts, Washington-USA (2009). A. Benetti, M. Santos, J. Rabelo, P. A. Ana, D. M. Zezell. Characterization of irradiated bone by FTIR. American Society for Laser Medicine and Surgery Washington-USA (2009). P. A. Ana, C. P. M. Tabchoury, V. P. Goulart, F. G. Albero, J. A. Cury, D. M. Zezell. Prevent effects on enamel by Nd: YAG laser and fluoride application. International Association for Dental Research, Miami-USA (2009). A. C. Ribeiro, M. Faveri, D. M. Zezell. Bacterial diversity of primary endodontic infections by 16SrRNA analysis. International Association for Dental Research, Miami-USA (2009). D.M. Zezell, P. A. Ana, F. G. Albero, J. A. Cury, L. Bachmann. Effect of Infrared Lasers on Chemical and Crystalline Properties of Enamel. European Organization for Caries Research ORCA, Budapest-Hungary (2009). P. A. Ana, V. P. Goulart, C. P. M. Tabchouryb, J. A. Cury, D. M. Zezell. Caries-Preventive Effect of Infrared Lasers and Professional Fluoride Application on Enamel. European Organization for Caries Research ORCA, Hungary (2009). J. Quinto Jr, P. A. Ana, F. G. Albero, D. M. Zezell. Changes in the infrared absorption bands (FTIR) due to tubules orientation. International Society for Oral Laser Applications, Vienna-Austria (2009). J.R. Moraes, V.L. Mazzocchi, C.B.R. Parente, R.E. Samad, S. L. Baldochi. Growth study of single crystal fibers of Nd3+, Yb3+-doped NaLa(WO4)2 and LiLa(WO4)2 by the micro-pullingdown method. 6th Romanian Conference on Advanced Materials (ROCAM- 2009), Brasov, Romenia, Abstract. p.7 – (2009) S. L. Baldochi, J.R. Moraes., F. R. Silva, J. Jakutis Neto, N.U. Wetter. U. Synthesis and growth of materials for solid state lasers. 6th Romanian Conference on Advanced Materials (ROCAM -2009), Brasov, Romenia, Abstract. p.7 – (2009). R. J. R. Vieira, A. C. Sodré Jr., F. Benabid, F. Couny, L. Gomes, N. U. Wetter, C. J. S. de Matos. Large Hollow-Core Fiber Random Dye Laser. XIX International Congress on Photonics in Europe - CLEO Europe, Munich (2009). A.J. Toffoli, R. A. Prates, M. S. Ribeiro, M. C. E. Hashimoto, N. D. Vieira Jr, L. C. Courrol. Effectiveness in total reduction of Candida albicans promoted by PDT with hypocrellin B: Lanthanum. 12th World Congress of the International Photodynamic Association 37 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. Conference Photodynamic Therapy: Back to the future, 2009, Seattle, WA, USA. Proc. of SPIE on CD-ROM. Washington, USA: SPIE 7380, 1-10, 2009. M. C. E. Hashimoto, D. J. Toffoli, R. A. Prates, L. C. Courrol, M. S. Ribeiro. Photodynamic inactivation of antibiotic resistant strain of Pseudomonas aeruginosa in vivo. 12th World Congress of the International Photodynamic Association Conference Photodynamic Therapy: Back to the future, 2009, Seattle, WA, USA. Proceedings of SPIE on CD-ROM. Washington, USA : SPIE 7380, 1-7, 2009 Manzani D., Messaddeq, Y., Ribeiro, S. J. L., Smektala F. Production of Photonic Crystal Fiber Base Don Heavy Oxide Glasses. International Conf. on Advanced Materials, 11; Encontro da SBPmat, 8, Rio de Janeiro. 2009. V.11 E 8. P.174 H. S. Barud, A. M. Araujo Jr., L. A. Silva, A. Berreta, Y. Messaddeq, S. J. L. Ribeiro, Antimicrobial Hydrogel Base Don Bacterial Cellulose And Próppolis. In: International SolGel Conference, 15, 2009, Porto De Galinhas. 2009. V.15. P.380 M. El-Amraoui, J. C. Jules, C. Fortier, G. Gadret., S. Salaün, F. Smektala, I. V. Skripachev, F. C. Polachini, Y. Messaddeq, S. J. L. Ribeiro, As2S3 Photonic Crystal Fibers for the Generation of Infrared Non Linear Optical Effects. International Conference on The Physics of Non-Crystalline Solids, 12, Crystallization; Crystallization in Glasses and Liquids, 9, 2009, Foz Do Iguaçu. V.9. P.74 J. L. Ferrari, K. O. Lima, L. J. M. Queiroz, S. J. L. Ribeiro, R. R. Gonçalves, Broad Band Near-Infrared Emitting Er3+ Doped SiO2-Ta2O5 Nanocomposites For Photonic Applications. Intern.Sol-Gel Conference, 15, 2009, Porto De Galinhas. V.15. P.210 . L. Ferrari, K. O. Lima, L.J.Q. Maia,, A. S L. Gomes, S. J. L. Ribeiro, R. R. Gonçalves, Channel and Planar Er3+ - Activated Ta2O5 – Based Waveguides for Optical Applications: Strucutral, Optical and Morphological Properties. International Sol-Gel Conference, 15, 2009, Porto De Galinhas. V.15. P.208 A. J. Barbosa, L. J. M. Queiroz, R. R Gonçalves, L. D. Carlos, R. A. S. Ferreira, Y. Messaddeq, S. J. L. Ribeiro, Eu3+ Doped Phosphotungstate Low Temperature Glasses. Intern. Conf. On The Physics of Non-Crystalline Solids, 12, Crystallization 2009 Crystallization In Glasses and Liquids, 9, 2009, Foz do Iguaçu. V.9. P.70 J. M. Caiut, Y. Messaddeq, M. Verelest, S. J. L. Ribeiro, J. Dexpert-Ghys, Luminescence Properties And Strucuture Studies of The New Aa:Al2O3:Tb3+ Hybrids (Aa=Asparagineso or Lysine) Intern. Sol-Gel Conference, 15, 2009, Porto De Galinhas. V.15. P.391 L. F. Saliba, G. R. Castro, L. A. Rocha, S. J. L. Ribeiro, Y. Messaddeq, O. A. Serra, M. A. U. Martines, Luminescence Properties of Mesoporous Sílica Impreganted With Eu(Tta)3 Complex. International Sol-Gel Conference, 15, 2009, Porto De Galinhas. V.15. P.274 L. F. Saliba, G. R. Castro, H. F. Brito, A. F. Craievich, S. J. L. Ribeiro, Y. Messaddeq, Y., M. A. U. Martines, Luminescence Properties of Ordered Mesoporous Sílica Impregnated With and Europium Complex. International Conference on The Physics Of Non-Crystalline Solids, 12, Crystallization 2009; Crystallization In Glasses and Liquids, 9, 2009, Foz do Iguaçu.. P.93 K. Serranegra, L. P. Camargo, L. D. Carlos, V. Z. Bermudez, R. S. Ferreira, E Pecoraro, Y. Messaddeq, S. J. L. Ribeiro, Luminescent Amidosil Hybrids From Ricinoleic Acid And 3Aminopropyltriethoxisilane. In: International Sol-Gel Conference, 15, 2009, Porto De Galinhas. 2009. V.15. P. 351 K. Nigoghossian, L. A. Rocha, A. P. Duarte, H. S. Barud, M. A.Cebim, J. M. A.Caiut, Y. Messaddeq, S. J. L. Ribeiro, Mettalic Nanoparticles (Ag, Au) and Eu3+ Highly Luminescent Species in Mesoporous Sílica and Bacterial Cellulose Substrates. Intern. Sol-Gel Conference, 15, 2009, Porto de Galinhas. V.15. P.110 H. S Barud, J. M. Caiut, C. Calliri, J. S. L. Ribeiro, M. V. Santos, L. P. Camargo, C. Legnani, M. Cremona, Y. Messaddeq, S. J. L. Ribeiro, Multifunctional Transparent 38 59. 60. 61. 62. 63. 64. 65. 66. 67. 68. 69. 70. 71. 72. Organic-Inorganic Hybrids Based On Bacterial – Cellulose. In: International Sol-Gel Conference, 15, 2009, Porto De Galinhas. 2009. V.15. P.337 Rocha, L. A., Caiut, J. M., Almeida S. C. A., Martines, M. A. U., Ribeiro, S. J. L., Messaddeq, Y., Dexpert-Ghys, J., Verelest, M Nano-Au/Mesoporous Sílica Synthetized By Spray Pyrolisys Process. International Sol-Gel Conference, 15, 2009, Porto de Galinhas. 2009. V.15. P.392 Donoso, J. P., Silva I. A. A., Tambelli, C. E. C., Magon, C. J., Silva, Maurício A. P, Messaddeq, Y., Ribeiro, S. J. L., Rodrigues A. C. M. Nmr Study of The Crystallization Behavior of Lead – Cadmium Fluorsilicate Glasses. International Conference on The Physics Of Non-Crystalline Solids, 12, Crystallization 2009; Crystallization In Glasses And Liquids, 9, 2009, Foz Do Iguaçu. V.9. P.62 Queiroz L. J. M., Gonçalves, R. R., Gomes, A. S., Messaddeq, Y., Ribeiro, S. J. L. Optical Studies of Er Doped SiO2-GeO2 Waveguides Using The Sol-Gel Process And Femtosecond Laser. Intern. Sol-Gel Conf., 15, 2009, Porto de Galinhas. V.15. P.236 Manzani D., Messaddeq, Y., Ribeiro, S. J. L., Smektala F. Optical Study of Novel High Non Linearity Phosphate Glass. In: International Conference On Advanced Materials, 11; Encontro da SBPMAT, 8, 2009, Rio De Janeiro. V.11 E 8. P.174 Manzanni, D., Messaddeq, Y., Smektala F., Ribeiro, S. J. L. Optical Study Of Novel High Non Linearity Phosphate Glass. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization In Glasses and Liquids, 9, 2009, Foz do Iguaçu. 2009. V.9. P.63 Serranegra K., Carlos, Luis Dias, Bermudez, V. Z., Ferreira, Rute A. S., Pecoraro, Edison, Messaddeq, Y., Ribeiro, S. J. L. Organic-Inorganic Hybrids Base On Ricinoleic Acid And 3Aminopropyltriethoxilane. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization in Glasses and Liquids, 9, 2009, Foz Do Iguaçu. V.9. P.47 Segura D. F., Polacchini F. C., Ribeiro, S. J. L., Messaddeq, Y. Preparation And Characterization of Pmma Based Microstruturred Polymer Optical Fibers. Int. Conf. on Advanced Materials, 11; Encontro da SBPMAT, 8, 2009, RJ. V.11 E 8. P.135 Baptista M. A. S. A., Messaddeq, S. H., Scripachev, I., Messaddeq, Y., Ribeiro, S. J. L., C. F. de O. Graeff Preparation of Ge-Ga-Te Glasses and Study of Some Optical Properties. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization; Crystallization in Glasses and Liquids, 9, 2009, Foz do Iguaçu. V.9. P.80 Ferrari, J. L., Oliveira, Daniela C, Barzan H., Maia,L.J.Q., Gomes, Anderson S L, Ribeiro, S. J. L., Gonçalves, R. R. Preparation of Planar and Channel Waveguides Based on Er3+/Yb3+ SiO2-ZrO2 for Photonic Applications. Int. Sol-Gel Conference, 15, 2009, Porto de Galinhas. 2009. V.15. P.207 Manzani D., Messaddeq, Y., Smektala F., Ribeiro, S. J. L. Production of Photonic Crystal Fiber Based on Heavy Oxide Glasses. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization in Glasses and Liquids, 9, 2009, Foz do Iguaçu. V.9. P.63 Ahlawat M., Vazques V., Nalin, M., Messaddeq, Y., Ribeiro, S. J. L., Kashyap R. Refractive Index Changes In Photodarkened SbPO4-WO3 Glass By Exposure To Below Band-Gap Radiation. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization 2009; Crystallization in Glasses and Liquids, 9, 2009, Foz do Iguaçu. V.9. P.81 Ferreira, R. S., Vicente C. M. S., Fernandes V.R., Xavier L. R., Pecoraro, E., André, Paulo S., Nogueira, R., Bermudez, V. Z., Marques, P. V. S., Ribeiro, S. J. L., Carlos, L. D.. SelfPatterned Organic-Inorganic Hybrids For Fibre Optics Access Networks. In: International Sol-Gel Conference, 15, 2009, Porto de Galinhas. 2009. V.15. P.87 Trindade,W., Polito, W.L., Messaddeq, Y., Ribeiro, S. J. L. Sinthesis of Hybrids Materials Organic-Inorganic From Polyurethanes Based Castor Oil. 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International Conference on Advanced Materials, 11; Encontro da SBPMAT, 8, 2009, Rio De Janeiro. V.11 E 8. P.174 Montesso M., Manzani D., Nalim, Marcelo, Messaddeq, Y., Ribeiro, S. J. L. Structural Properties of Glasses NaPO3 – Sb2O3. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization in Glasses and Liquids, 9, 2009, Foz do Iguaçu. V.9. P.63 Santagnelli, S. H., Galleani G., Ribeiro, S. J. L., Messaddeq, Y., Rinke M. T., Eckerth, Hellmut. Structural Study and Physical Properties of AgPO3-MoO3 Glasses. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization In Glasses and Liquids, 9, 2009, Foz Do Iguaçu. V.9. P.66 Rancan K., Santagnelli, S. H., Ribeiro, S. J. L., Messaddeq, Y. Study of Physical and Structural Properties of Lead Phosphate Glasses. Int. Conf. on Advanced Materials, 11; Encontro da SBPMAT, 8, 2009, Rio de Janeiro. V.11 E 8. P.175 Rancan K., Manzani D., Messaddeq, Y., Ribeiro, S. J. L. Study of Physical and Structural Properties of Lead Phosphate Glasses. Int. Conf. on The Physics of Non-Crystalline Solids, 12, Crystallization In Glasses And Liquids, 9, 2009, Foz do Iguaçu. V.9. P.64 Remonte, A. R. V., Ferrari, J. L., Ribeiro, S. J. L., Gonçalves, R. R. Transparent GlassCeramic Base Don XiO2-ZrO2 Doped With Rare Earth Íons Prepared By The Sol-Gel Process: Spectroscopic And Structural Properties. Int. Sol-Gel Conf., 15, 2009, Porto de Galinhas. V.15. P.209 Legnani C., Barud, Hernane Silva, Quirino W. G., Caiut, José Mauricio A, Ribeiro, S. J. L., Achete C. A., Cremona M. Transparent Nanocomposite Bacterial Cellulose Used ss Flexible Substrate for OLED. International Conference On Advanced Materials, 11; Encontro da SBPMat, 8, 2009, Rio de Janeiro. 2009. V.11 E 8. P.162 A Gatti, L. H. L. Pires, Y. Messaddeq, S. J. L. Ribeiro, Zirconium Clusters Coordinated By Methacrylic Moiety – Synthesis And Characterization. In: International Sol-Gel Conference, 15, 2009, Porto De Galinhas. 2009.V.15. P.345 L. Bomtempo, E. S. Ferreira, L. R. P. Kassab. Optical and electrical properties of TeO2-ZnO insulators with silver nanoparticles for microelectronic applications. 11th International Conference on Advanced Materials, 2009, Rio de Janeiro. M. R. Cardoso, C. R. Mendonça, L. Misoguti - Spectral-domain measurement of photoinduced birefringence in polymer. SPIE Photonics West - 2009, San Jose, California, USA, Jan. 24 - 29 ,2009. M. R. Cardoso, V. Tribuzi, D. T. Balogh, L. Misoguti, C. R. Mendonça -Laser micromachining in azopolymers. SPIE Photonics West - 2009, San Jose, California, USA, Jan. 24 - 29 ,2009. A.S. Corrêa, M. R. Cardoso, V. Tribuzi, L. Misoguti, C. R Mendonça Wiring microstrutures with tampered fibres. SPIE Photonics West - 2009, San Jose, California, USA, Jan. 24 - 29 ,2009. M. R. Cardoso, L. Misoguti, D. T. Balogh, C. R. 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For different features, different microscopies. XXIV Congresso da Sociedade Brasileira de Microscopia e Microanálise, BH, 2009. 99. A. Galembeck, V.A. Cardoso, S. B.C. Silva, S. Alves-Jr. Lanthanide coordination compounds entrapment within latex particles: effect on morphology and particle size. 23rd Conference of the European Colloid and Interface Science – ECIS, Antalya, Turkey, 2009. 100. A. Galembeck, R.J. de Oliveira. Photo-reactive surfactant mediated synthesis of nanoparticles. 23rd Conference of the European Colloid and Interface Science – ECIS, Antalya, Turkey, 2009. 101. A. T Sales Neto, A. G. Brasil Junior, D. P. L. A. Tenorio, R. B. Lira, P. M. A. Farias, A. Fontes, B. S. Santos. CdS/Cd(OH)2 Nanocrystals as New Biophotonic Tools to Investigate the Antigens A Expression in Red Blood Cells. Int. Conf. on Advanced Materials, Rio de Janeiro. (2009). 102. L. de S. Menezes Controlling the interaction between light and matter confined to nanoscales. 6th Regional Conference of Young Scientists of TWAS-ROLAC, Rio de Janeiro-RJ. 103. L. de S. Menezes. “Controlling the interaction between light and matter confined in nanoscale”. Humboldt Kolleg: Limits and Interfaces in Science, São Paulo-SP. 41 National Conferences (2009) 1. L. de S. Menezes, A. Mazzei, S. Götzinger, G. Zumofen, V. Sandoghdar and O. Benson. “SNOM probe as a local scatterer for controlling normal mode splitting “. XXXII ENFMC, Águas de Lindóia-SP. Nov. 2009. 2. L. A. Malagón, L. de S. Menezes, C. B. de Araújo, R. R. Gonçalves, S. J. Ribeiro, Y. Messaddeq. “Conversão ascendente de energia em nanocristais de zircônia e de háfnia codopados com Er3+ e Yb3+ excitados no infravermelho próximo”. XXVII EFNNE, BelémPA. Nov. 2009. 3. L. de S. Menezes. Eletrodinâmica em microcavidades ópticas com fatores de qualidade ultraaltos. Programa de Verão 2009 Física - UFPE, Recife-PE. 4. E. C. L. Almeida, L. de S. Menezes, C. B. de Araújo, A. A. Lipovskii. “Ultrafast optical dephasing time measurements at low temperatures in a glass - ceramic containing sodium niobate nanocrystals”. XXVII EFNNE, Belém-PA. Nov. 2009. 5. E. C. L. Almeida, L. de S. Menezes, C. B. de Araújo, A. A. Lipovskii “Femtosecond optical dephasing measurements in a niobic-silicate nanocomposite”. XXXII ENFMC, Águas de Lindóia-SP. 2009. 6. T. Bueno, S.M. Rezende, R.L. Rodríguez-Suárez. Ferromagnetic relaxation mechanisms in exchange biased bilayers. XXXII ENFMC Águas de Lindóia, SP 2009. 7. L. H. Vilela-Leão, A. Azevedo. Microwave assisted magnetization reversal in ferromagnetic thin films and exchange coupled bilayers. XXXII ENFMC. Águas de Lindóia, SP 2009. 8. J. B. S. Mendes, L. H. V.-Leão, A. Azevedo. Investigation of magnetization relaxation and uniaxial anisotropy in thin films fabricated by oblique sputtering. XXXII ENFMC. Águas de Lindóia, SP 2009. 9. S. L. Oliveira, W. M. Fisher, S. C. Rand. Optical Magnetism in Dielectrics. XXXII ENFMC, Águas de Lindóia (2009). 10. S. L. Oliveira, D. L. Rocco, M. J. V. Bell, L. A. O. Nunes. Study of the OH - Influence on the Laser Properties of Nd3+-Doped Phosphate Glasses. XXXII ENFMC Águas de Lindóia (2009). 11. R. L. Caires, M. D. Scherer, T. S. B. Santos, B. C. A. Pontim, W. L. Gavassoni, S. L. Oliveira. Water Stress Tolerance of Two Varieties of Soybean Plants Monitored by Chlorophyll Fluorescence. XXXII ENFMC Águas de Lindóia (2009). 12. T. A. Chimenez, A. R. L. Caires, S. L. Oliveira. Fluorescência como Indicador da Conversão Óleo/Biodiesel. In: II Congresso da Rede Brasileira de Tecnologia de Biodiesel, Brasília (2009). 13. M. D. Scherer, T. A. Chimenez, S. L. Oliveira, L. H. C. Andrade, S. M. Lima, A. R. L. Caires. Caracterização Óptica das Misturas Diesel/Biodiesel, Diesel/Óleo e Biodiesel/Óleo: Aplicação da Espectroscopia de Fluorescência UV-Vis. III Congresso da Rede Brasileira de Tecnologia de Biodiesel, Brasília (2009). 14. T. A. Chimenez, A. R. L. Caires, M. C. Fripp, F. Machado, S. L. Oliveira. Avaliação do Efeito do Tempo de Transesterificação na Obtenção do Biodiesel de Soja Através da Fluorescência. III Congresso da Rede Brasileira de Tecnologia de Biodiesel, Brasília (2009). 15. R. R. O. Garcia, S. L. Oliveira. Avaliação da Contribuição do Campo Magnético da Luz para o Deslocamento de Cargas em Dielétricos Transparentes. 3o Encontro de Iniciação Científica, Dourados (2009). 16. T. A. Chimenez, A. R. L. Caires, L. H. C. Andrade, S. M. Lima, S. L. Oliveira. Monitoramento da Degradação Térmica do Biodiesel Através da Espectroscopia de Fluorescência. 6o. Congresso Brasileiro de Plantas Oleaginosas, Óleos, Gorduras e Biodiesel, Montes Claros, MG 2009. 42 17. M. D. Scherer, T. A. Chimenez, L. H. C. Andrade, S. M. Lima, S. L. Oliveira, A. R. L. Caires. Desenvolvimento de um Método Alternativo para Quantificar o Teor de Biodiesel na Mistura Diesel/Biodiesel. 6o. 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Ribeiro, M. P. A. Mayer, G. E. C. Nogueira, D. M. Zezell. Bactericidal efficacy of diode laser irradiation in endodontic treatment: an In vivo study. First Latin American Division Congress of WFLD and V Congress of the BALD, São Paulo, pag 28, (2009). 22. P. A. Ana, V. P. Goulart, F. G. Albero, C. P. M. Tabchoury, J. A. Cury, D. M. Zezell. Effects of Nd: YAG laser and professional fluoride application on chemical Changes of enamel and its influence on caries prevention. First Latin American Division Congress of WFLD and V Congress of the BALD, São Paulo, pag 32, (2009). 23. R. S. Navarro, C. C. Bonifácio, F. M. Mendes, D. M. Zezell, E. Oliveira, G. M. S. Santos, A. C. Guedes-Pinto, J. C. P. Imparato. Evaluation of enamel demineralization around Er,Cr:YSGG laser cavities Restored with different materials after an acid challenge. First Latin American Division Congress of WFLD and V Congress of the BALD, São Paulo, pag 35, (2009). 24. A. Benetti, M. O. Santos, V. P. Goulart, D. M. Zezell. Characterization by ATR-FTIR of irradiated bone. First Latin American Division Congress of WFLD and V Congress of the BALD, São Paulo, pag 36, (2009). 25. J. Quinto Jr, P. A. Ana, F. G. Albero, D. M. Zezell. Chemical effects of er,cr:ysgg laser irradiation on intracanal dentin and the Influence of tubules orientation. First Latin American Division Congress of WFLD and V Congress of the BALD São Paulo, pg 60, (2009). 26. M. A. T. Vasques, C. Benetti, M. A. V. Alves, T. M. Pereira, D. M. Zezell, L. Correa. Tissue temperature variation in the use of surgical diode lasers. First Latin American Division Congress of WFLD and V Congress of the BALD, pag 62, (2009). 27. A. Benetti, M. O. Santos, V. P. Goulart, C. S. B. Teixeira, D. M. Zezell. Caracterização de osso Ablacionado com Er,Cr:YSGG por ATR-FTIR. XIV Congresso Brasileiro de Física Médica, São Paulo, pag 1, (2009). 28. F. G. Albero, D. M. Zezell, E. J. H. Bechara, O. P. 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Efeito do laser de Er,Cr:YSGG sobre a estrutura e resistência à desmineralização da dentina. 26º Reunião Anual da Sociedade Brasileira de Pesquisa Odontológica, Brazilian Oral Research, Águas de Lindóia, Volume 23 Supplement 1, pag 09, (2009). 37. T. M. Pereira, W. Miyakawa, V. P. Goulart, D. M. Zezell. In-plane thermal diffusivity of dentin by infrared thermography. VII Congresso da SBPMAT, Guarujá, (2009). 38. T. M. Pereira, P. A. Ana, C.B. Zamataro, D.M. Zezell. Determinação da difusividade térmica em função da temperatura do esmalte e dentina bovinos.I Congresso Internacional de Laser da Bahia, Salvador-BA, (2009). 39. D.M. Zezell, P.A. Ana, F.G. Albero, L. Bachmann, C. B. Zamataro. Efeitos químicos e cristalinos da irradiação por laser infravermelho de alta intensidade no esmalte dental. I Congresso Internacional de Laser da Bahia, Salvador-BA, (2009). 40. J. S. Rabelo, T. M. Pereira, V. L. Mazzochi, M. E. G. Valerio, D. M. Zezell. 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Ribeiro, Materiais Luminescentes Baseados em Celulose Bacteriana. Encontro SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 Bioenergia, 2009, Araraquara. V.17. P.Qm-13 68. K. Nigoghossian, M. A. Cebim, H. S. Barud, J.M. Caiut, Y. Messaddeq, S. J. L. Ribeiro, Membranas de Celulose Bacteriana Multifuncionais. Sensores SERS e Novos Luminóforos. Encontro da SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, Araraquara. 2009. V.17. P.Qi-08 69. M. V Santos., H. S.Barud, M. A. S. A Baptista. S. J. L. Ribeiro, Y. Messaddeq, Novos Materiais Foto/Eletrocrômicos a Base de Celulose Bacteriana e Polioxometalatos. Encontro da SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, 2009, Araraquara. V.17. P.Qi-11 70. H. S.Barud, J. L. Souza, D. B. Santos, M. S. Crespi, Marisa, C. A. Ribeiro, Y. Messaddeq, S. J. L. Ribeiro, Preparação e Caracterização De Biocompositos De Biocelulose/3Polixidroxibutirato (Phb). In: Encontro Da SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, 2009, Araraquara. V.17. P.Qm-14. 71. A. M Araújo Jr, H. S.Barud, H. Pretel, S. Saska, S. J. L Ribeiro, Y. Messaddeq, Preparação e Caracterização de “Scaffolds” Obtidos a Partir de Celulose Regenerada pelo Processo Viscose. In: Encontro Da Sbq-Regional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, 2009, Araraquara. V.17. P.Qm-05 72. A. P. Duarte, J. Caiut, M. Almeida, R. Marchetto, Y. Messaddeq, S. J. L. Ribeiro, Preparação e Funcionalização de Nano e Micro-Partículas Luminescentes de Al2O3. In: Reunião Anual da SBQ, 32, 2009, Fortaleza. V.32. P.74 73. R. T. Araújo, F. C. Polacchini, Y. Messaddeq, S. J. L. Ribeiro, Produção de Tubos Capilares de Sílica Fundida para Aplicação em Colunas de Eletroforese Capilar e Eletrocromatografia. In: Encontro da SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, 2009, Araraquara. V.17. P.Qa-25 74. I. A. N. Donini, S. J. L. Ribeiro, H. da S. Barud, W. R. Lustri, Y. Messaddeq, R. Marchetto, S. J. L. Ribeiro, Produção e Modificação “In Situ” de Biocelulose Produzida por Gluconacetobacter Xylinus. In: Encontro da SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, 2009, Araraquara. V.17. P.Qm-25 75. E. R. Pinto, A. F. Santos, Y. Messaddeq, W.L. Polito, S. J. L. Ribeiro, Resina Uretana Bicomponente a partir de um Poliol Vegetal Alquídico. Reunião Anual da SBQ, 32, 2009, Fortaleza. V.32. P.79 76. L. D. G. Souto, E. Almeida Filho, H. S. Barud, Y. Messaddeq, S. J. L. Ribeiro, Scaffolds para Regeneração Óssea Formado por Celulose Bacteriana e Hidroxiapatita. Encontro Da 46 77. 78. 79. 80. 81. 82. 83. 84. 85. 86. 87. 88. 89. SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, 2009, Araraquara. V.17. P.Qm-03 L. A. Rocha, J. C. Freiria, Y. Messaddeq, S. J. L. Ribeiro, M. A. U. Martines, M. Verelest, J. Dexpert-Ghys, Sílica Mesoporosa Sintetizada por Pirólise de Aerossóis. Encontro da SBQRegional – Interior Paulista Waldemar Saffioti, 17 – Bioenergia, 2009, Araraquara. V.17. P.Qm-08 D. B. Santos, H. S. Barud, S. J. L. Ribeiro, Y. Messaddeq. Utilização de Celulose Bacteriana em Dispositivos Poliméricos de Cristais Líquidos. SBQ-Regional – Interior Paulista Waldemar Saffioti, 17 Bioenergia, 2009, Araraquara. V.17. P.Qi-06 V. D. Del Cacho, L. R. P. Kassab, A D dos Santos, A L. Siarkowski, D. M. da Silva, N. I. Morimoto, Fabrication and characterization of GeO2-PbO optical waveguides. Anais da SBmicro 2009, ( Natal) D. L. Silva, L. Misoguti, C. R. Mendonça - Control of two photon absorption in organic compounds by pulse shaping: spectral dependence, XXXII ENFMC, Águas de Lindóia, SP, 11 a 15 de Maio de 2009. D. L. Silva, C. R. Mendonça, R. Zalesny, W. Bartkowiak - Time-dependent density functional theory study one and two photon absorption of azoaromatic compounds, XXXII ENFMC, Águas de Lindóia, SP, 11 a 15 de Maio de 2009. P. H. D. Ferreira, L. Misoguti, C. R. Mendonça. Coherent controling two photon absorption in Y-shaped molecules using an evolutionary strategy, XXXII ENFMC, Águas de Lindóia, SP, 11 a 15 de Maio de 2009. D. S. Corrêa, C. R. Mendonça, T. Voss, P. Tayalia, E. Mazur - Two polymerized microstructures doped with MEH-PPV, XXXII ENFMC, Águas de Lindóia, 2009. V. Tribuzi, D. S. Corrêa, C. R. Mendonça. Three dimensional microfabrication by two photon photopolymerization, XXXII ENFMC, Águas de Lindóia, SP, 2009. A.Piovesan, C. R. Mendonça. Two photon absorption spectra of platinum acetylide complexes, XXXII ENFMC, Águas de Lindóia, SP, 11 a 15 de Maio de 2009. E. Piovesan, C. R. Mendonça - Nonlinear absorption spectra and properties of a novel family of Azo and FX derivatives. XXXII ENFMC, Águas de Lindóia, 2009. M. R. Cardoso, C. R. Mendonça, L. Misoguti. Measurement of photo induced birefringence in azopolymer by spectral modulation shift, XXXII ENFMC, Águas de Lindóia, SP, 11 a 15 de Maio de 2009. M. R. Cardoso, L. Misoguti, D. T. Balogh, C. R. Mendonça. Controllable hydrophobicity in azopolymers via surface relief gratings, XXXII ENFMC, Águas de Lindóia, SP, 11 a 15 de Maio de 2009. M. R. Cardoso, V. Tribuzi, D. T. Balogh, L. Misoguti, C. R. Mendonça - Picosecond laser micromachining of azopolymers aiming at superhydrophobic surfaces, XXXII ENFMC, Águas de Lindóia, SP, 11 a 15 de Maio de 2009. 90. P. A. L. A. Pinto; H. P. de Oliveira, J. J. Rodrigues Jr.,S. C. Zílio , C. R. Mendonça , L. Misoguti. Optics and electrics properties of x-ray irradiated L-threonine crystals. In: XXXIII ENFMC, 2009, Águas de Lindoia. XXXIII ENFMC São Paulo, 2009. 91. E. S. Araujo; H. P. de Oliveira; J. Rieumont; C. Nogueiras. Electrical impedance spectroscopy investigation of phase transitions in low molecular weight amphiphilic block copolymers. Foz do Iguacu. X Congresso Brasileiro de Polimeros, 2009. 92. E. S. Araujo; S. V. de Lima; H. P. de Oliveira. Inversões de fase termicamente induzidas em emulsões medidas por espectroscopia de impedância. Foz do Iguaçu. X Congresso Brasileiro de Polimeros, 2009. 93. G.F Tavares, H. P. de Oliveira. Preparacão e caracterização de sistemas mistos metal/ polímero condutor em matriz de PVA na identificação de metanol em misturas etanol/ metanol Foz do Iguaçu. Anais do X Congresso Brasileiro de Polimeros, 2009. 47 94. H. P. de Oliveira, J. Rieumont; E. S. Araujo; C. Nogueiras. Phase transitions in aqueous solutions of polyehtlyene-b-polyehtylene oxide copolymer. XXXII ENFMC, Águas de Lindóia, 2009. 95. H. P. de Oliveira. G. F. Tavares; J. Rieumont; C. Nogueiras. Physical chemistry behavior of enteric polymers encapsulating metronidazole. XXXII ENFMC, 2009, Águas de Lindóia. 96. H. P. de Oliveira, M. D. L., C. A S. Andrade, Impedimetric biosensor of organic-inorganic nanocompositesx for glucose detection. XXXII ENFMC, 2009, Águas de Lindóia. 97. E. S. Araujo; J. Rieumont; H. P. de Oliveira. Percolation processes in nanocomposites of polyehtylene-b-polyethylene oxide/ conducting polymers and carbon black. XXXII ENFMC, Águas de Lindóia. 2009. 98. E. S. Araujo; S. V. de Lima; H. P. de Oliveira. Electrical analysis of phase inversion in systems water-oil-surfactant. XXXII ENFMC, 2009, Águas de Lindóia. 99. H. P. de Oliveira; G. F. Tavares. Aplicação de nanocompósitos metal-polímero como sensores do tipo nariz eletrônico para detecção de metanol. Belém. XXVII EFNNE, 2009. 100. H. P. de Oliveira; A. H. P. de Oliveira; J. Rieumont; C. Nogueiras, Nanocompsoitos metalpolímero estabilizados por blocos de copolímeros anfifílicos de PE'-b-'PEO. Belém. XXVII EFNNE, 2009. 101. H. P. de Oliveira; A. H. P. de Oliveira ; J. Rieumont; C. Nogueiras; A. H. P. de Oliveira. Nanocompositos metal- polímero estabilizados por blocos de copolímeros anfifílicos de PE'b-'PEO. In: XXVII EFNNE, Belém. XXVII EFNNE, 2009. 102. E. S. Araujo; H. P. de Oliveira. Transições de fase em micrtoemulsões: uma abordagem não convencional. XXVII EFNNE, 2009, Belém. 103. H. P. de Oliveira; E. S. Araujo; J. J. F. Albuquerque Jr. Uso de marcadores fluorescentes no estudo de transições de fase termicamente ativadas em microemulsões. XXVII EFNNE, 2009, Belém. 104. H. P. de Oliveira; E. S. Araujo. Efeito da adição de blocos de copolímeros em microemulsões termicamente ativadas. XXVII EFNNE, 2009, Belém. 105. H. P. de Oliveira; E. S. Araujo. Desenvolvimento de sistemas inteligentes de controle de iluminação à base de microemulsões. XXVII EFNNE, 2009, Belém. 106. H. P. de Oliveira; E. S. Araujo; C. Nogueiras; J. Rieumont, Análise de transições de fase no copolímero PE-b-PEO de baixo peso molecular por espectroscopia de impedância. XXVII EFNNE, 2009, Belém. 107. H. P. de Oliveira; G. F. Tavares; J. Rieumont; C. Nogueiras, Processos de encapsulação e liberação de metronidazol promovidos pelo uso de copolímeros de Eudragit e blendas com blocos de copolímeros. XXVII EFNNE, 2009, Belém. 108. H. P. de Oliveira; S. V. de Lima. Estudo da liberação do ácido acetil saliciliico a partir do uso da técnica de espectroscopia de impedância elétrica. XXVII EFNNE, 2009, Belém. 109. H. P. de Oliveira; S. V. de Lima. Ponto Krafft em sistems binários e ternários. In: XXVII EFNNE, 2009, Belém. 110. N. Rakov; M. A. Rosas; G. S. Maciel. Fluorescence emission from Erbium doped Aluminum Oxide powders produced using a rapid exothermic reaction. XXXII ENFMC, 2009, Águas de Lindóia. 111. L. H. F. Andrade, M. S. Piaia, M. A. Simonssini, R. E. Samad, A. Z. de Freitas, N. D. Vieira Jr., Ultrafast magnetization dynamics investigated with femtosecond laser pulses at Center of Lasers IPEN-CNEN: first results, XXXII ENFMC. 2009. 112. M. S. Piaia, M. A. Simonssini, L. H. F. Andrade, D. R. Cornejo, A. D. Santos. Synthesis and magnetic properties of Co doped rare-earth sputtered films, XXXII ENFMC / P029. May 11 – 15, 2009. 113. L. C. Sampaio, Magnetic properties of nanowires and nanodisks, Invited talk, XXXII ENFMC. Águas de Lindóia, SP May 11 – 15, 2009. 48 114. Magnetic properties of nanowires and nanodisks, T. S. Machado, T.G. Rapapport, L. C. Sampaio, XXXII ENFMC. Águas de Lindóia, SP, 2009. 115. P. M. A. Farias, B. S. Santos, A. Fontes, C. R. Chaves, R. B. Lira, R. C. B. Q. Figueiredo, E. I. C. Beltrao, D. Scordo. Compact water-soluble core-shell quantum dots: A three dimensional approach for histological labeling methods. Abstracts of Trends in Nanoscience, v. único, 64-64 (2009). 116. A. Fontes, P. M. A. Farias, B. S. Santos, C. R. Chaves, R. B. Lira, A. G. Brasil Jr, K. H. G. Carvalho, D. C. Silva, R. C. B. Q Figueiredo. Biological samples labeled with water soluble fluorescent CdS/Cd(OH)2 and PEGylated CdS/Cd(OH)2 quantum dots: A comparative study on optical properties. Abstracts of Trends in Nanoscience, v. único, 66-66 (2009).