Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Lucas Alonso Rocha"'
Autor:
Lauany Mazzon Pontes, João Vitor Gonçalves de Faria, Marcela Guedes Matos Grespi, Lucas Alonso Rocha, Eduardo José Nassar
Publikováno v:
Optical Materials: X, Vol 21, Iss , Pp 100286- (2024)
This study aimed to synthesize and to characterize hydroxyapatite with antimicrobial action. For the synthesis, the precursors calcium nitrate and phosphoric acid were employed; europium(III), 1 % w/w in relation to calcium(II), was used as spectrosc
Externí odkaz:
https://doaj.org/article/10ed219eb7d2469b9e69bf5840461d45
Autor:
Gislene Batista, Valentina Gacha Mendoza, Fabia Castro Cassanjes, Camila Pereira, Gabriela Simões Freiria, Lucas Alonso Rocha, Gael Poirier
Publikováno v:
Materials Research, Vol 26 (2023)
A direct-doping method was tested to design new composite-glasses by incorporating lanthanum niobate nanocrystals (NC) in tellurite glasses. NC powder were grinding with glass powder before heating-quenching, with the main investigation approached of
Externí odkaz:
https://doaj.org/article/33fe608677634f2a91015cabed2684a5
Publikováno v:
Química Nova, Vol 45, Iss 9, Pp 1153-1159 (2022)
Temperature is a natural phenomenon that may modify the structure of chemical compounds and hence their properties. We aimed to develop a simple portable system based on the Peltier principle for spectral characterization of compounds with temperatur
Externí odkaz:
https://doaj.org/article/d192285763194223b49db1f406c0238c
Autor:
Guilherme Augusto Bertelli Fernandes Clemente, Gustavo Henrique Gonçalves, Eduardo José Nassar, Eduardo Ferreira Molina, Lucas Alonso Rocha
Publikováno v:
Química Nova, Vol 44, Iss 9, Pp 1219-1223 (2021)
THE USE OF HYBRID OR NANOCOMPOSITE MATERIALS AS STEEL ANTICORROSIVE COATINGS. The search had as the goal to present and reflect the hybrid materials as an alternative for anticorrosive coatings of metallic surfaces, such as steel. For comparison purp
Externí odkaz:
https://doaj.org/article/e475ddf598de40f7afcd7635a1c739ac
Autor:
Lucas Alonso Rocha, Lilian Rodrigues Avila, Bruno Leonardo Caetano, Eduardo Ferreira Molina, Hérica Cristina Sacco, Katia Jorge Ciuffi, Paulo Sergio Calefi, Eduardo José Nassar
Publikováno v:
Materials Research, Vol 8, Iss 3, Pp 361-364 (2005)
In this work titanium sol was prepared from tetraethylorthotitanate (TEOT) in ethanol, stabilized with beta-diketonate 2,4 pentanedione in molar ratio 1:1 homogenized by magnetic stirring, europium ion was add as structural probe. The xerogels were h
Externí odkaz:
https://doaj.org/article/1ec3219e11f047fcbcfa882033ebbec9
Autor:
Maria Fernanda Ferreira, João Vitor Gonçalves Faria, Lauany Mazzon Pontes, Marcela Guedes Matos Crespi, Lucas Alonso Rocha, Eduardo José Nassar
In this study the non-hydrolytic sol gel methodology was used to synthesized gadolinium vanadate particles doped with different molar ratios of the Er3+ and Yb3+ ions. The sol gel synthesis, lanthanide ion chlorides and vanadium alkoxide were used as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ae26e2542668175226a91bde39144f2
https://doi.org/10.21203/rs.3.rs-2942606/v1
https://doi.org/10.21203/rs.3.rs-2942606/v1
Autor:
Maria Gabriela Martins de Souza, Jéssica Potomatti Batista, Emerson Henrique de Faria, Katia Jorge Ciuffi, Lucas Alonso Rocha, Eduardo José Nassar, Jorge Vicente Lopes da Silva, Marcelo Fernandes Oliveira, Izaque Alves Maia
Publikováno v:
Journal of Sol-Gel Science and Technology
To meet the demands of the market and society, the development of structured polymeric materials for application in the medical field is constantly increasing. Over the last decades, metallic silver nanoparticles have been explored due to their antim
Autor:
João Vitor Gonçalves de Faria, Lauany Mazzon Pontes, Camila Colombari Bomfim, Katia Jorge Ciuffi, Lucas Alonso Rocha, Eduardo José Nassar, Jorge Vicente Lopes da Silva, Marcelo Fernandes de Oliveira, Izaque Alves Maia
Publikováno v:
Progress in Additive Manufacturing.
Autor:
Eduardo José Nassar, Maria Fernanda Ferreira, Lauany Mazzon Pontes, Marcela Guedes Matos Crespi, Lucas Alonso Rocha
Publikováno v:
SSRN Electronic Journal.
Autor:
Lídia Resende Oliveira, Eduardo José Nassar, Hernane da Silva Barud, Jhonatan Miguel Silva, Lucas Alonso Rocha
Publikováno v:
Optical Materials. 134:113189