Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Antonio Marcos Jacques Barbosa"'
Autor:
Eliza Miranda Ramos, Antonio Marcos Jacques Barbosa, Francisco José Mendes dos Reis, Daniela Granja Arakaki, Valter Aragão do Nascimento
Publikováno v:
Asian Journal of Medicine and Health. :35-44
Aims: This study aimed to characterize a profile according to a systematic review when addressing the acute effects and side effects on child health and the importance of preventive measures for controlling food in the presence of aflatoxins and myco
Autor:
Antonio Marcos Jacques Barbosa, Valdir Souza Ferreira, Jacqueline Marques Petroni, Bruno Gabriel Lucca, Vanessa Oliveira de Jesus
The evaluation of the voltammetric behaviour and the determination of herbicide molinate were performed for the first time over the surface of solid amalgam electrode fabricated with silver nanoparticles using cyclic voltammetry and square-wave volta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebae536373faba2fd819b6c9ba29107b
Autor:
Valdir Souza Ferreira, Antonio Marcos Jacques Barbosa, Magno Aparecido Gonçalves Trindade, Tatiane Alfonso de Araujo
Publikováno v:
Journal of Electroanalytical Chemistry. 681:127-132
Solid silver mercury amalgam electrodes (AgSAEs) represent a suitable alternative to mercury electrodes due to their similar electrochemical properties and non-toxicity of the amalgam material. Based on this knowledge, we report the use of silver sol
Autor:
Tatiane Alfonso de Araujo, Valdir Souza Ferreira, Antonio Marcos Jacques Barbosa, Magno Aparecido Gonçalves Trindade
Publikováno v:
Microchemical Journal. 98:297-302
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 Britton–Robinson buffer at pH 10 and 60 °C for 60 min (reduction peak at − 0.70 V). Conditions we
Autor:
Suellen Cadorin Fernandes, Valdir Souza Ferreira, Antonio Marcos Jacques Barbosa, Iolanda Cruz Vieira
Publikováno v:
Electroanalysis. 23:1623-1630
A sol–gel derived carbon ceramic biosensor was used for methomyl determination in vegetable extract samples based on the immobilization of laccase from Aspergillus oryzae. Esculetin was chosen as the substrate for laccase in order to measure inhibi
Autor:
Valdir Souza Ferreira, Luiz Henrique Viana, Antonio Marcos Jacques Barbosa, Tatiane Alfonso de Araujo
Publikováno v:
Fuel. 90:707-712
This paper reports an electroanalytical method developed for tert-butylhydroquinone (TBHQ) determination in biodiesel in the presence of surfactant Triton X-100 (T-100). T-100 was shown to improve the electroanalytical signal and its use was decisive
Autor:
Antonio Marcos Jacques Barbosa, Magno Aparecido Gonçalves Trindade, Valdir Souza Ferreira, Tatiane Alfonso de Araujo
Publikováno v:
Journal of Applied Electrochemistry. 41:249-255
A simple electroanalytical method was developed to determine the antibiotic ceftiofur (CF) in milk. The method is based on the adsorptive accumulation of the drug on a hanging mercury-drop electrode (HMDE) and the accompanying initiation of a negativ
Autor:
Iolanda Cruz Vieira, Fábio de Lima, Antonio Marcos Jacques Barbosa, Ana Cristina Franzoi, Sally Katiuce Moccelini, Bruno Gabriel Lucca, Valdir Souza Ferreira
Publikováno v:
Enzyme and Microbial Technology. 47:153-158
A novel pequi fruit ( Caryocar brasiliense Camb.) homogenate source of polyphenol oxidase was obtained and immobilized in chitosan crosslinked with cyanuric chloride (CHcych-PPO). A biosensor was developed and used for the square-wave voltammetric de
Publikováno v:
Colloids and Surfaces B: Biointerfaces. 78:243-249
This paper proposes a methodology based on electrochemical reduction for a fast, specific and sensitive determination of genistein by square-wave voltammetry (SWV). The highest peak currents and optimal definition of reduction peak of genistein was o
Autor:
Rodrigo Pereira Cavalcante, Sílvio C. de Oliveira, Antonio Marcos Jacques Barbosa, Marly Eiko Osugi, Lucas da Rocha Sandim, Valdir Souza Ferreira, Matildes Blanco, Amilcar Machulek, Danielle Bogo, Maria de Fatima Cepa Matos
Publikováno v:
Environmental science and pollution research international. 20(4)
In the present study, selected advanced oxidation processes (AOPs)-namely, photo-Fenton (with Fe(2+), Fe(3+), and potassium ferrioxalate-FeOx-as iron sources), solar photo-Fenton, Fenton, and UV/H2O2-were investigated for degradation of the antineopl