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Type: Artigo de periódico
Title: Electrochemical Detection In A Paper-based Separation Device.
Author: Carvalhal, Rafaela Fernanda
Kfouri, Marta Simão
Piazetta, Maria Helena de Oliveira
Gobbi, Angelo Luiz
Kubota, Lauro Tatsuo
Abstract: Prototypes of microfluidic paper-based separation devices with amperometric detection were developed and evaluated. Photolithography was used to make a gold electrochemical microcell on polyester and that microcell was coupled to a strip of paper where a chromatographic separation occurs. The device performance was demonstrated with the separation and quantification of uric and ascorbic acid in mixtures. The method provides an analytical alternative for the determination of compounds where low cost and simplicity are essential.
Subject: Ascorbic Acid
Chromatography, Paper
Electrochemical Techniques
Microfluidic Analytical Techniques
Uric Acid
Rights: fechado
Identifier DOI: 10.1021/ac902647r
Date Issue: 2010
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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