Search Results - "De Araujo, Tatiane Alfonso"

A new voltammetric method for the simultaneous determination of the antioxidants TBHQ and BHA in biodiesel using multi-walled carbon nanotube screen-printed electrodes by Caramit, Ricardo Pini, de Freitas Andrade, Adriana Garabini, Gomes de Souza, João Batista, de Araujo, Tatiane Alfonso, Viana, Luiz Henrique, Trindade, Magno Aparecido Gonçalves, Ferreira, Valdir Souza

“…Cyclic voltammograms obtained on SPE–MWCNT surface for, (a) blank: BR buffer 0.04molL−1 (pH 2.0) containing 2.0% of methanol; (b) TBHQ 2.0×10−5molL−1; (c) BHA…”
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Influence of the surfactant bromide of cetyltrimetyl ammonium in the determination of chlorogenic acid in instant coffee and mate tea samples by Araújo, Tatiane Alfonso de, Cardoso, Juliano Carvalho, Barbosa, Antonio Marcos Jacques, Ferreira, Valdir Souza

“…In this study, two quantitative differential-pulse polarography (DPP) and square-wave voltammetry (SWV) methods were developed to determine total chlorogenic…”
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Simple, fast, and instrumentless fabrication of paper analytical devices by novel contact stamping method based on acrylic varnish and 3D printing by de Araujo, Tatiane Alfonso, de Moraes, Natália Canhete, Petroni, Jacqueline Marques, Ferreira, Valdir Souza, Lucca, Bruno Gabriel

“…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…”
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Electroanalytical determination of TBHQ, a synthetic antioxidant, in soybean biodiesel samples by de Araujo, Tatiane Alfonso, Barbosa, Antonio Marcos Jacques, Viana, Luiz Henrique, Ferreira, Valdir Souza

“…This paper reports an electroanalytical method developed for tert-butylhydroquinone (TBHQ) determination in biodiesel in the presence of surfactant Triton…”
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Interaction study of moxifloxacin with Cu(II) ion using square-wave voltammetry and its application in the determination in tablets by Trindade, Magno Aparecido Gonçalves, Cunha, Patrícia Alessandra da Cruz, De Araujo, Tatiane Alfonso, Da Silva, Glaucia Maria, Ferreira, Valdir Souza

“…This work presents an electroanalytical method for the determination of moxifloxacin(MOXI) in tablets by its interaction with Cu(II) ion and subsequent…”
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Otimizacao de Diferentes Procedimentos de Preparo de Amostras: Aplicacao na Extracao de Antioxidantes Presentes em Biodiesel by Andrade, Adriana Garabini de Freitas, Caramit, Ricardo Pini, de Araujo, Tatiane Alfonso, Viana, Luiz Henrique, de Souza, Joao Batista Gomes, Trindade, Magno A. Goncalves, Ferreira, Valdir Souza

“…In this work, different procedures were compared for the extraction of synthetic antioxidants such as propyl gallate (PG), tert-Butylhydroquinone (TBHQ),…”
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Voltammetric determination of tert-butylhydroquinone in biodiesel using a carbon paste electrode in the presence of surfactant by de Araújo, Tatiane Alfonso, Barbosa, Antonio Marcos Jacques, Viana, Luiz Henrique, Ferreira, Valdir Souza

“…This paper reports an electroanalytical method developed for determining the antioxidant tert-butylhydroquinone (TBHQ) in biodiesel, based on the enhancement…”
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A simple method for electroanalytical determination of ceftiofur in UHT milk samples using square-wave voltammetry technique by Barbosa, Antonio Marcos Jacques, de Araújo, Tatiane Alfonso, Trindade, Magno Aparecido Gonçalves, Ferreira, Valdir Souza

“…A simple electroanalytical method was developed to determine the antibiotic ceftiofur (CF) in milk. The method is based on the adsorptive accumulation of the…”
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Direct cefepime determination in human milk using solid mercury amalgam electrode manufactured with silver nanoparticles by Barbosa, Antonio Marcos Jacques, de Araujo, Tatiane Alfonso, Trindade, Magno Aparecido Gonçalves, Ferreira, Valdir Souza

“…► Use of solid silver mercury amalgam electrode obtained via silver nanoparticles. ► We developed an electrochemical method to determinate cefepime in human…”
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Determination of 4-methylbenzilidene camphor in sunscreen by square wave voltammetry in media of cationic surfactant by Cardoso, Juliano Carvalho, Armondes, Bruna Milca Lenzi, de Araújo, Tatiane Alfonso, Raposo, Jorge Luiz, Poppi, Nilva Ré, Ferreira, Valdir Souza

“…The voltammetric behavior of 4-methylbenzelidene camphor (MBC) was studied by square wave voltammetry (SWV) using mercury electrode. The experimental condition…”
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A new indirect method based on square-wave voltammetry for ceftiofur determination in bovine milk using an alkaline degradation product by Barbosa, Antonio Marcos Jacques, de Araujo, Tatiane Alfonso, Trindade, Magno Aparecido Gonçalves, Ferreira, Valdir Souza

“…In this paper we present a new electroanalytical method for determination of ceftiofur based on the hydrolysis of this antibiotic in 0.04 mol L −1…”
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Otimização de Diferentes Procedimentos de Preparo de Amostras: Aplicação na Extração de Antioxidantes Presentes em Biodiesel by 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

“…In this work, different procedures were compared for the extraction of synthetic antioxidants such as propyl gallate (PG), tert-Butylhydroquinone (TBHQ),…”
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Otimização de Diferentes Procedimentos de Preparo de Amostras: Aplicação na Extração de Antioxidantes Presentes em Biodiesel by Andrade, Adriana Garabini de Freitas, Caramit, Ricardo Pini, De Araújo, Tatiane Alfonso, Viana, Luiz Henrique, De Souza, João Batista Gomes, Trindade, Magno A. G., Ferreira, Valdir Souza

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