Prof. Francisco Eduardo Gontijo Guimarães Profile

Prof. Francisco Eduardo Gontijo Guimarães

Professor at Instituto de Fisica de Sao Carlos

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Author

Publications (13)

Proceedings Article | 20 June 2024 Presentation + Paper

Two-photon excitation as a selective tool to characterize black carbon nanoparticles in the environment

Maria Luiza Ferreira Vicente, Sebastião Pratavieira, Mariana Matera Veras, Paulo Saldiva, Houssam Hajjoul, Francisco Eduardo Gontijo Guimarães

Proceedings Volume 12999, 1299918 (2024) https://doi.org/10.1117/12.3022330

KEYWORDS: Nanoparticles, Carbon, Atmospheric particles, Absorption, Particles, Fluorescence, Spectroscopy, Molecular aggregates, Tunable filters, Ocean optics

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Proceedings Article | 13 March 2024 Presentation

Temperature effects on the uptake of photosensitizers in Escherichia coli

Thalita Hellen Nunes Lima, Alessandra Ramos Lima, Kamila Jessie Sammarro Silva, Kate Blanco, Francisco Eduardo Gontijo Guimarães, Vanderlei Salvador Bagnato

Proceedings Volume PC12822, PC128220B (2024) https://doi.org/10.1117/12.3004525

KEYWORDS: Picosecond phenomena, Oxygen, Bacteria, Spectral response, Resistance, Electrons, Absorption spectroscopy

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Proceedings Article | 31 May 2023 Poster + Paper

Functionalization of nanostructured surfaces for optical sensor platforms

Vicente Silva Mattos, Jarbas Caiado de Castro Neto, Francisco Eduardo Gontijo Guimarães, Raphael Antonio Caface, Elsa M. Materón

Proceedings Volume 12572, 1257212 (2023) https://doi.org/10.1117/12.2664866

KEYWORDS: Antibodies, Nanostructures, Laser nanostructuring, Fluorophores, Molecules, Fluorescence, Nanostructuring, Metals, Nanolithography, Optical sensors

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Proceedings Article | 31 March 2020 Paper

Optimization of curcumin formulations for fluorescence-based applications

Marcelo Saito Nogueira, Fabio Francisco Pinto, Raphael Antonio Caface, Kleber Thiago de Oliveira, Vanderlei Salvador Bagnato, Francisco Eduardo Gontijo Guimarães

Proceedings Volume 11238, 112381F (2020) https://doi.org/10.1117/12.2546823

KEYWORDS: Luminescence, Fluorescence spectroscopy, Photodynamic therapy, Spectroscopy, Tissues, Skin, Biomedical optics, Bioalcohols, In vivo imaging, Absorption

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Proceedings Article | 2 March 2020 Paper

Metal enhanced fluorescence using nanostructures on silver formed with Ti: Saphire femtosecond pulsed laser

Vicente Mattos, Fernanda Paolillo, Daniel Cavallini, Marcelo Pereira-da-Silva, Marco A. A. de Souza, Fatima M. M. Yasuoka, Francisco E. G. Guimarães, Jarbas de Castro Neto

Proceedings Volume 11268, 1126822 (2020) https://doi.org/10.1117/12.2545963

KEYWORDS: Nanostructures, Luminescence, Metals, Silver, Laser marking, Polishing, Surface finishing, Femtosecond phenomena, Scanning electron microscopy, Molecules, Atomic force microscopy

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Proceedings Article | 1 March 2019 Paper

Characterization of photophysical properties of curcumin for theranostics of neurodegenerative diseases

Marcelo Saito Nogueira, Fabio Francisco Pinto, Raphael Antonio Caface, Kleber Thiago de Oliveira, Vanderlei Salvador Bagnato, Francisco Eduardo Gontijo Guimarães

Proceedings Volume 10876, 108761A (2019) https://doi.org/10.1117/12.2513379

KEYWORDS: Alzheimer's disease, Optical diagnostics, Photodynamic therapy, Biomedical optics, Biophotonic applications, Quantum efficiency, Luminescence, Absorbance, Fluorescence spectroscopy, Diagnostics, Absorption, Brain, Plasma, Tissue optics, Tissues

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Proceedings Article | 1 August 2017 Paper

Effectiveness of partially soluble photosensitizer in photodynamic microbiological inactivation: a curcumin example

Sebastião Pratavieira, Fatima Matroodi, Fabio Francisco Pinto-Júnior, Alessandra Nara Souza Rastelli, Vanderlei Bagnato, Francisco E. Guimarães

Proceedings Volume 10417, 104170R (2017) https://doi.org/10.1117/12.2282147

KEYWORDS: Confocal microscopy, Microscopes, Luminescence

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Proceedings Article | 28 July 2017 Paper

Curcumin uptake enhancement using low dose light illumination during incubation in Candida albicans

Renan Romano, Sebastião Pratavieira, Ana da Silva, Cristina Kurachi, Vanderlei Bagnato, Francisco E. G. Guimarães

Proceedings Volume 10413, 104130N (2017) https://doi.org/10.1117/12.2286271

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Proceedings Article | 28 July 2017 Paper

Multispectral confocal microscopy images and artificial neural nets to monitor the photosensitizer uptake and degradation in Candida albicans cells

Renan Romano, Sebastião Pratavieira, Ana da Silva, Cristina Kurachi, Francisco E. Guimarães

Proceedings Volume 10414, 104140D (2017) https://doi.org/10.1117/12.2282806

KEYWORDS: Confocal microscopy, Neural networks, Multispectral imaging

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Proceedings Article | 19 June 2015 Paper

Preparation of HIV monoclonal antibody-conjugated pulchellin in order to study its intracellular trafficking pathway in HIV-infected cells by confocal microscopy

M. Sadraeian, F. Tsutae, H. H. Moreira, A. P. Araujo, F. E. Guimarães, S. Pincus

Proceedings Volume 9531, 953117 (2015) https://doi.org/10.1117/12.2181011

KEYWORDS: Proteins, Confocal microscopy, Monoclonal antibodies, Molecules, Picture Archiving and Communication System, Fluorescence correlation spectroscopy, Cancer, Luminescence, Tumors, Physics

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Proceedings Article | 4 March 2014 Paper

Efficacy of photodynamic therapy against larvae of Aedes aegypti: confocal microscopy and fluorescence-lifetime imaging

L. de Souza, S. Pratavieira, N. Inada, C. Kurachi, J. Corbi, F. E. Guimarães, V. Bagnato

Proceedings Volume 8947, 89472D (2014) https://doi.org/10.1117/12.2040420

KEYWORDS: Luminescence, Picosecond phenomena, Photodynamic therapy, Sun, Lamps, Molecules, Confocal microscopy, Light emitting diodes, Light sources, Fluorescence lifetime imaging

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Proceedings Article | 18 December 2001 Paper

Comparison between sublimation and evaporation as process for growing lead iodide polycrystalline films

Laura Fornaro, Edgardo Saucedo, Luis Mussio, Alvaro Gancharov, Francisco Guimaraes, Antonio Hernandes

Proceedings Volume 4507, (2001) https://doi.org/10.1117/12.450746

KEYWORDS: Lead, X-rays, Sensors, Argon, X-ray detectors, Palladium, Absorption, Luminescence, Crystals, Atomic force microscopy

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Proceedings Article | 17 February 1995 Paper

Functional and nonfunctional testing of ATM networks

Manuel Ricardo, M. Ferreira, Francisco Guimaraes, J. Mamede, M. Henriques, Jorge da Silva, E. Carrapatoso

Proceedings Volume 2450, (1995) https://doi.org/10.1117/12.201313

KEYWORDS: Multimedia, Video, Networks, Standards development, Asynchronous transfer mode, Telecommunications, Video compression, Control systems, Data communications, Databases

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Showing 5 of 13 publications

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