Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Katia Jorge Ciuffi"'
Autor:
Omar José de Lima, Denis Talarico de Araújo, Liziane Marçal, Antonio Eduardo Miller Crotti, Guilherme Sippel Machado, Shirley Nakagaki, Emerson Henrique de Faria, Katia Jorge Ciuffi
Publikováno v:
ChemEngineering, Vol 6, Iss 4, p 55 (2022)
In recent decades, the increasing use of pesticides to improve food productivity has led to the release of effluents that contaminate the environment. To prepare a material that may help to treat effluents generated during agricultural practice, we u
Externí odkaz:
https://doaj.org/article/6f932ab768db415486f9412466c5f23b
Autor:
Edimilson Cândido Leonel, Emerson Henrique de Faria, Rosalinda Chedian Pimentel, Eduardo José Nassar, Katia Jorge Ciuffi, Márcio José dos Reis, Paulo Sergio Calefi
Publikováno v:
Química Nova, Vol 35, Iss 7, Pp 1407-1411 (2012)
The aim of this work was to contribute to the creation of new ways of treating wastewater contaminated with Cr3+, based on solid-liquid adsorption. An adsorbent material was prepared by functionalization of kaolinite with glycerin biodiesel by-produc
Externí odkaz:
https://doaj.org/article/2548f15e5618472ebe5c2cbc2584c9c2
Autor:
Evelisy Cristina de Oliveira Nassor, Lilian Rodrigues Ávila, Paula Fabiana dos Santos Pereira, Katia Jorge Ciuffi, Paulo Sérgio Calefi, Eduardo José Nassar
Publikováno v:
Materials Research, Vol 14, Iss 1, Pp 1-6 (2011)
This work describes the hydrolytic sol-gel synthesis of silica particles prepared by a modified Stöber route, using the organofunctionalized alkoxide 3-methacryloxypropyl trimethoxysilane and tetraethylorthosilicate. The silica particles were obtain
Externí odkaz:
https://doaj.org/article/b48982b62ee846dcb96d805ee78ebf1a
Autor:
Priscila Martins Pereira, Breno Freitas Ferreira, Nathalia Paula Oliveira, Eduardo José Nassar, Katia Jorge Ciuffi, Miguel Angel Vicente, Raquel Trujillano, Vicente Rives, Antonio Gil, Sophia Korili, Emerson Henrique de Faria
Publikováno v:
Applied Sciences, Vol 8, Iss 4, p 608 (2018)
The present work reports the synthesis of zeolites from two metakaolins, one derived from the white kaolin and the other derived from the red kaolin, found in a deposit in the city of São Simão (Brazil). The metakaolins were prepared by calcination
Externí odkaz:
https://doaj.org/article/902c235ffbd742b4ac01b5de67145b47
Autor:
Faley Jean de Sousa, Gilberto Pansani Altino de Lima, Lílian Rodrigues Ávila, Katia Jorge Ciuffi, Paulo Sergio Calefi, Eduardo José Nassar
Publikováno v:
Materials Research, Vol 13, Iss 1, Pp 71-75 (2010)
The sol-gel process is very effective for the preparation of new materials with potential applications in optics, sensors, catalyst supports, coatings, and specialty inorganic polymers that can be used as hosts for the accommodation of organic molecu
Externí odkaz:
https://doaj.org/article/1298e304b75747d9884a8136cacc9427
Autor:
Alexandre Cestari, Lilian Rodrigues Avila, Evelisy Cristina Oliveira Nassor, Paula Fabiana dos Santos Pereira, Paulo Sergio Calefi, Katia Jorge Ciuffi, Shirley Nakagaki, Antonio Carlos Pereira Gomes, Eduardo Jose Nassar
Publikováno v:
Materials Research, Vol 12, Iss 2, Pp 139-143 (2009)
Glass ionomer cements are widely employed in dentistry due to their physical, biological and mainly anti-caries properties. Glass ionomers consist of an aluminosilicate glass matrix modified with other elements, and they contain large quantities of f
Externí odkaz:
https://doaj.org/article/2fc34cf9921c43baa01e8575f0b9ae13
Autor:
Emerson Henrique de Faria, Alex Lemes Marçal, Eduardo José Nassar, Katia Jorge Ciuffi, Paulo Sergio Calefi
Publikováno v:
Materials Research, Vol 10, Iss 4, Pp 413-417 (2007)
TiO2 films have various applications, among them solar cells and photodegradation of pollutants. In this study, we investigated TiO2 films functionalized with the organic dye cyanidin extracted from black mulberry (Morus nigra). The TiO2 was function
Externí odkaz:
https://doaj.org/article/3f859144581c4f4f927f6123625f0ebd
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
Publikováno v:
Materials Research, Vol 6, Iss 4, Pp 557-562 (2003)
In this work we report some aspects of the chemistry involved in the preparation of modified silicon oxide by the sol-gel process. Europium III compounds were used as luminescent probe. An organic-inorganic hybrid was obtained by hydrolysis of tetrae
Externí odkaz:
https://doaj.org/article/5cdf0dd2882141379b30fa46c8f64cfb
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df7922b27800c90f6b7465acf1f318fe
http://europepmc.org/articles/PMC8775147
http://europepmc.org/articles/PMC8775147