Výsledky vyhledávání - "F. G. S. Oliveira"

Akademický článek

Microencapsulated Myrciaria cauliflora Berg. fruit peel extract as a natural pigment for neutralizing shampoo preparation

Autor: F. G. S. Oliveira, Y. C. Fernandes, J. Büttner-Pires, S. T. Cargnin, A. P. Sinhorin, J. R. G. S. Almeida, S. R. Ferrarini

Publikováno v: Scientific Electronic Archives, Vol 14, Iss 1, Pp 50-58 (2020)

Hair is a complex natural fiber consisting mainly of keratin that can be divided into four main structural units, namely: cuticle, cortex, medulla, and membrane complex. The use of pigments in hair care preparations, mainly derivatives of aromatic am

Externí odkaz: https://doaj.org/article/ba6a6ed27165423f9b51c82c4113f9e9

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Characterization of $$\text{CoFe}_2$$$$\text{O}_4$$, $$\text{NiFe}_2$$$$\text{O}_4$$, and $$\text{ZnFe}_2$$$$\text{O}_4$$ Nanoparticles Synthesized by a Proteic Sol-gel Method

Autor: L. P. M. Santos, M. P. S. Palácio, Igor F. Vasconcelos, F. G. S. Oliveira, V. M. R. Vasconcelos, M. S. Pereira, D. L. M. Vasconcelos, Paulo Freire

Publikováno v: Journal of Superconductivity and Novel Magnetism. 34:2845-2853

Nanoparticles of cobalt, nickel, and zinc spinel ferrites were successfully synthesized by a low-cost method named as proteic sol-gel method, and a comparative study was performed. Commercial metal nitrates and gelatin from bovine skin were used as p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80a436bdff04395bbcd844720999b863
https://doi.org/10.1007/s10948-021-05968-x

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Technological Forecasting of Spondias tuberosa (Anacardiaceae)

Autor: Amanda Dias de Araújo, M V Silva, J R G S Almeida, F G S Oliveira, M T S Correia

Publikováno v: Revista Gestão Inovação e Tecnologias. 10:5546-5552

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ce85569d50935078146021d3ca5df89
https://doi.org/10.7198/geintec.v10i3.1128

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Direct evidence for weak ferromagnetism sustained by Fe2+–O–Fe3+ superexchange coupling in short-range structures of aluminosilicate glasses

Autor: R. F. Jucá, J. M. Soares, V. A. Soares, D. S. Evaristo, F. G. S. Oliveira, I. F. Vasconcelos, G. D. Saraiva, N. S. Ferreira, M. A. Macêdo

Publikováno v: Applied Physics Letters. 122:034102

We report on the magnetism of amorphous SiO2–Al2O3–CaO–MgO–Fe2O3–K2O–MnO:CA (CA—activated carbon) aluminosilicate glasses prepared by a fusion-quenching method. Fourier transform infrared and Raman spectroscopy show that a Fe2+ lattice

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59ac2d7eb12d9bdc4d929c672ae146fa
https://doi.org/10.1063/5.0130948

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Trans fatty acids levels of puff pastry products marketed in the central region of Portugal

Autor: Fabiana F. G. S. Oliveira, Jorge M. T. B. Varejão

Publikováno v: Scientia Chromatographica. 9:171-179

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fae278386a3648839f6f0f223288e947
https://doi.org/10.4322/sc.2017.014

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Temperature dependence Raman spectroscopy and DFT calculations of Bi

Autor: G D, Saraiva, J G, da Silva Filho, A, Saraiva-Souza, A J Ramiro, de Castro, A M R, Teixeira, C, Luz-Lima, F G S, Oliveira, V O Sousa, Neto, P T C, Freire, F F, de Sousa

Publikováno v: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 224

This work reports a theoretical and experimental study on the electronic and vibrational properties of Bi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6a8f6506e51d03dbb813b850e8237266
https://pubmed.ncbi.nlm.nih.gov/31330420

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