Výsledky vyhledávání - "Bartolomeu C, Viana"

Akademický článek

Magnetic properties as a function of temperature of La and Gd co-doped YIG nanoparticles

Autor: W.J. Sousa, Bartolomeu C. Viana, João M. Soares, R.B. da Silva, R. Peña-Garcia, E. Padrón-Hernández

Publikováno v: Results in Physics, Vol 53, Iss , Pp 107004- (2023)

This paper presents the behavior of saturation magnetization and other magnetic properties depending on the temperature variation from the nanoparticles of YIG doped and co-doped with Gd and La at different concentrations. The samples were prepared a

Externí odkaz: https://doaj.org/article/1fb70012e8f241ff9158ebc3f9cff8fb

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Akademický článek

Green Synthesis of Er-Doped ZnO Nanoparticles: An Investigation on the Methylene Blue, Eosin, and Ibuprofen Removal by Photodegradation

Autor: Marília C. R. Silva, Samuel Castro-Lopes, Aimée G. Jerônimo, Ricardo Barbosa, Alexsandro Lins, Pollyana Trigueiro, Bartolomeu C. Viana, Francisca P. Araujo, Josy A. Osajima, Ramón R. Peña-Garcia

Publikováno v: Molecules, Vol 29, Iss 2, p 391 (2024)

We present a study on the green synthesis of undoped and Er-doped ZnO compounds using Mangifera indica gum (MI). A set of tests were conducted to assess the structure of the material. The tests included X-ray diffraction, Raman, and Fourier-transform

Externí odkaz: https://doaj.org/article/657b0286248d468cb7197864e39bf883

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Akademický článek

Depositation of sodium titanate nanotubes: superhydrophilic surface and antibacterial approach

Autor: Michelle de P. Madeira, Suziete B.S. Gusmão, Idglan S. de Lima, Gabriella M.D. Lemos, Humberto M. Barreto, Érika de A. Abi-chacra, Maria L. Vega, Angel A. Hidalgo, Francisco E.P. Santos, Edson C. Silva-Filho, Bartolomeu C. Viana, J.A. Osajima

Publikováno v: Journal of Materials Research and Technology, Vol 19, Iss , Pp 2104-2114 (2022)

Here, the present work aimed to investigate the wettability of the sodium titanate nanotubes films and evaluate the antibacterial activity of the nanotubes powder under light and bacterial adhesion assay. The films were deposited by electrophoretic d

Externí odkaz: https://doaj.org/article/975cbb50638c43308317d693466140fa

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Akademický článek

Na-TiNT Nanocrystals: Synthesis, Characterization, and Antibacterial Properties

Autor: Enzo V. H. Agressott, Mauro M. Oliveira, Thiago S. Freitas, Raimundo L. S. Pereira, Ana R. P. Silva, Rafael P. Cruz, Antonia T. L. Santos, Alexandre M. R. Teixeira, Tainara G. Oliveira, João H. da Silva, Alexandre R. Paschoal, Bartolomeu C. Viana, Paulo de Tarso C. Freire, Abolghasem Siyadatpanah, Polrat Wilairatana, Henrique D. M. Coutinho

Publikováno v: Bioinorganic Chemistry and Applications, Vol 2022 (2022)

Titanium nanotubes have attractive morphological and physicochemical properties for several applications, such as high surface area, mesoporous structure, good stability, ion exchange capacity, and antibacterial property. Therefore, the field of nano

Externí odkaz: https://doaj.org/article/1fc72834b322402482eb61d2bf2a1b8b

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Akademický článek

Carbon-dots from babassu coconut (Orbignya speciosa) biomass: Synthesis, characterization, and toxicity to Daphnia magna

Autor: Rubens S. Costa, Manuela O. de Castro, Gabriela H. da Silva, Fabricio de S. Delite, Mathias Strauss, Odair P. Ferreira, Diego S.T. Martinez, Bartolomeu C. Viana

Publikováno v: Carbon Trends, Vol 5, Iss , Pp 100133- (2021)

The present study provides amethodology for the synthesis of carbon dots through hydrothermal carbonization of the babassu coconut (Orbignya speciosa) mesocarp as a precursor matrix. The synthesis parameters (temperature, residence time and% m/v) wer

Externí odkaz: https://doaj.org/article/399ba36abd5249e19c3ad6e33abff241

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Akademický článek

Nanohydroxyapatite/Titanate Nanotube Composites for Bone Tissue Regeneration

Autor: Suziete B. S. Gusmão, Anupama Ghosh, Alan S. de Menezes, Antônio F. M. Pereira, Miriam T. P. Lopes, Madaline K. Souza, Dalton Dittz, Guilherme J. P. Abreu, Lucielma S. S. Pinto, Antônio L. M. Maia Filho, Gustavo O. M. Gusmão, Thomas J. Webster, Anderson O. Lobo, Bartolomeu C. Viana

Publikováno v: Journal of Functional Biomaterials, Vol 13, Iss 4, p 306 (2022)

Strategies for the production of new nanocomposites that promote bone tissue regeneration are important, particularly those that enhance the osteoinduction of hydroxyapatite in situ. Here, we studied and report the synthesis of nanohydroxyapatite and

Externí odkaz: https://doaj.org/article/635d8b952682411095cb0a12848f5726

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