Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Valdir Souza Ferreira"'
Autor:
Adriana Garabini de Freitas Andrade, Ricardo Pini Caramit, Tatiane Alfonso de Araújo, Luiz Henrique Viana, João Batista Gomes de Souza, Magno A. G. Trindade, Valdir Souza Ferreira
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 7, Iss 2, Pp 87-98 (2015)
In this work, different procedures were compared for the extraction of synthetic antioxidants such as propyl gallate (PG), tert-Butylhydroquinone (TBHQ), 3-tert-butyl-4-hydroxyanisole (BHA) and 3,5-di-tert-butyl-4 hydroxytoluene (BHT) from biodiesel
Externí odkaz:
https://doaj.org/article/85ce5c23053e45cd9c38743e7f52e068
Autor:
Luiz Henrique de Oliveira, Ana Caroline Dias Souza, Lucas Pizzuti, Valdir Souza Ferreira, Lauro Antonio Pradela Filho, Regina Massako Takeuchi, André Luiz dos Santos, Magno A. G. Trindade
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 6, Iss 4, Pp 255-266 (2015)
In this work a carbon paste electrode chemically modified with an ionic liquid (CPE-IL) was used to quantify the antioxidant propyl gallate (PG) in spiked soybean biodiesel samples by square wave voltammetry. Under the optimized conditions, the propo
Externí odkaz:
https://doaj.org/article/6f6ffa77d21c467b8927d7d170ad357b
Autor:
Virgilio Vieira de Olival, Rozanna Marques Muzzi, Jéssica Alves Nogueira, Fábio Gozzi, Anderson Teodoro, Dirce Martins de Oliveira, Dayana Doffinger Ramos, Ana Paula Pereira da Rosa, Marly Eiko Osugi, Paula Loureiro Paulo, Silvio Cesar de Oliveira, Valdir Souza Ferreira, Lincoln Carlos Silva de Oliveira, Amilcar Machulek Junior
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 4, Iss 3, Pp 146-158 (2012)
O uso intensivo e descarte irregular de agrotóxicos na agricultura têm causado sérios problemas ambientais e de saúde. Neste trabalho foi avaliada a eficiência de UV e de alguns processos de oxidação avançada que envolva reação de foto-Fent
Externí odkaz:
https://doaj.org/article/4c6e3a2999434ac0aca9d48b21181a10
Autor:
Ana Carolina Roveda, Ivan Pires de Oliveira, Anderson Rodrigues Lima Caires, Daniel Rinaldo, Valdir Souza Ferreira, Magno Aparecido Gonçalves Trindade
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2022-04-28T19:49:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-04-01 Financiadora de Estudos e Projetos Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Cie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c423a4671365bd332db33c51a0c225b5
Publikováno v:
Analytical Methods. 13:1349-1357
A microfluidic thread electroanalytical device (μTED) containing an embedded electrochemical detector is presented for the first time in this work. This novel device was entirely produced in an automated way using the fused deposition modeling (FDM)
Autor:
Rayan Marcel Carvalho, Evandro Rodrigo Pedão, Fernanda Mesquita Roese Guerbas, Melisa Porto Tronchini, Valdir Souza Ferreira, Jacqueline Marques Petroni, Bruno Gabriel Lucca
Publikováno v:
Talanta. 252
Nowadays, the use of pesticides in world agriculture is fundamental. However, it leads to an increase in the illegal sale and smuggling of these products in various parts of the world, mainly in Brazil. Therefore, the development of new analytical me
Autor:
Natália Canhete de Moraes, Jacqueline Marques Petroni, Fábio de Lima, Valdir Souza Ferreira, Bruno Gabriel Lucca
Publikováno v:
Microchemical Journal. 183:108030
Autor:
Bruno Gabriel Lucca, Natália Canhete de Moraes, Jacqueline Marques Petroni, Tatiane Alfonso de Araujo, Valdir Souza Ferreira
Publikováno v:
Mikrochimica acta. 188(12)
A new contact stamping method for fabrication of paper-based analytical devices (PADs) is reported. It uses an all-purpose acrylic varnish and 3D-printed stamps to pattern hydrophobic structures on paper substrates. The use of 3D printing allows quic
Publikováno v:
Microchemical Journal. 180:107604
Autor:
Marcos Eduardo da Silva Ferreira, Natália Canhete de Moraes, Valdir Souza Ferreira, Rodrigo Amorim Bezerra da Silva, Jacqueline Marques Petroni, Bruno Gabriel Lucca
Publikováno v:
Microchemical Journal. 179:107663