Elton L. Savi, Luis C. Malacarne, Mauro L. Baesso, Paula T. M. Pintro, Camila P. Croge, Jun Shen e Nelson G. Castelli Astrath

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy – Volume: 145; Pages: 125–129; DOI: 10.1016/j.saa.2015.02.106

Assessment of photochemical stability is essential for evaluating quality and the shelf life of vegetable oils, which are very important […]

Elton L. Savi, Luis C. Malacarne, Paula T. M. Pintro, Camila P. Croge, Mauro L. Baesso e Nelson G. Castelli Astrath

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy

Hossein Nemati, Shiyi Liu, Rafael S. Zola, Vincent P. Tondiglia, Kyung Min Lee, Timothy White, Timothy Bunningb e Deng-Ke Yan

Soft Matter – Volume: 11; Issue: 6; Pages: 1208-1213; DOI: 10.1039/C4SM02283A

We experimentally observed that the photonic band gap (reflection band) of polymer stabilized cholesteric liquid crystals with negative dielectric anisotropies can be greatly broadened under DC electric […]

J. F. M. dos Santos, Idelma A. A. Terra, Nelson G. C. Astrath, Francine B. Guimarães, Mauro L. Baesso, Luiz A. Oliveira Nunes e Tomaz Catunda

Journal of Applied Physics – Volume: 117; Number: 5; Page: 053102; DOI: 10.1063/1.4906781

Trivalent Tb-doped materials exhibit strong emission in the green and weak emission in the UV-blue levels. Usually, this behavior […]

Vandressa C. Friesen, Delano P. Leitoles, Giane Gonçalves, Ervin K. Lenzi e Marcelo K. Lenzi

Mathematical Problems in Engineering – Volume: 2015; Number Article: 549562; Pages: 1-8; DOI: 10.1155/2015/549562

Heavy metals are commonly regarded as environmentally aggressive and hazardous to human health. Among the different metals, lead plays an important economic role due to its large use in the […]

Erving C. Ximendes, Wagner F. Silva, Marcus V. D. Vermelho, Nelson G. C. Astrath, Luis C. Malacarne, Mauro L. Baesso, Tomaz Catunda e Carlos Jacinto da Silva

Optics Express  – Volume: 23; Issue: 12; Pages: 15983-15991; DOI: 10.1364/OE.23.015983

We present a theoretical model to thermal (TL) and population (PL) lenses effects in the presence of Auger upconversion […]

Fernanda B. Borghi Pangonia, Luana M. Tunin, Kamila L. Bonifácio, Ana C. Nogueira, Luzmarina Hernandes, Fabio Yamashita, Décio S. Barbosa, Mauro L. Baesso, Maria da C. Torrado Truiti e Andréa Diniz

Revista Brasileira de Farmacognosia – DOI: 10.1016/j.bjp.2015.02.012

Phytopharmaceutical products are being used in the treatment and prevention of health problems. Nowadays, the development and evaluation of […]

Leandro Herculano da Silva, Gustavo V. B. Lukasievicz, Elizandra Sehn, Wilker Caetano, Diogo S. Pellosi, Noboru Hioka, Nelosn G. C. Astrath e Luis C. Malacarne

Applied Spectroscopy

Strong light absorption and high levels of singlet oxygen production indicate erythrosin B as a viable candidate as a photosensitizer in photodynamic therapy or photodynamic inactivation of microorganisms. Under light […]

Aloisi Somer, Julia G. Camilotti, A. Gonçalves, Claudia B. Kniphoff da Cruz, Flavio L. Beltrame, Francielle Sato, Nelson G. C. Astrath e Andressa Novatski

Spectroscopy Letters: An International Journal for Rapid Communication – Volume: 48; Issue: 6; Pages: 427-430; DOI: 10.1080/00387010.2014.902853

In this study, photoacoustic spectroscopy was used to quantify polyvinylpyrrolidone in paracetamol samples with different proportions of polyvinylpyrrolidone. […]

Otávio A. Capeloto, Gustavo V. B. Lukasievicz, Vitor S. Zanuto, Leandro Herculano da Silva, Nilson E. Souza Filho, Andressa Novatski, Luis C. Malacarne, Stephen E. Bialkowski, Mauro L. Baesso e Nelson G. C. Astrath

Applied Optics – Volume: 53; Issue: 33; Pages: 7985-7991; DOI: 10.1364/AO.53.007985

The time-resolved thermal mirror technique is developed under pulsed laser excitation for […]