2006
DOI: 10.1590/s0100-40422006000100020
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Utilização de técnicas eletroanalíticas na determinação de pesticidas em alimentos

Abstract: Recebido em 24/11/04; aceito em 4/5/05; publicado na web em 24/8/05 ELECTROANALYTICAL TECHNIQUES FOR THE DETERMINATION OF PESTICIDES IN FOODS. The aim of this work is to discuss selected applications of electroanalytical techniques for the detection of pesticides in foods and beverages, published in the last ten years. The applications involved different working electrodes for the electroanalytical determination of pesticides, namely amperometric biosensors, cholinesterase-based biosensors, polymer-modified el… Show more

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Cited by 57 publications
(43 citation statements)
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References 65 publications
(72 reference statements)
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“…In this context, the surface modification of conventional electrodes is an important development in electroanalysis. 20 Based on the above reported results on adsorption, the use of a chitosan-modified electrode looks like a logical choice for improvement of electroanalytical procedures. For comparison purposes, a bare GCE was used, to obtain the reduction mechanism of TRF.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…In this context, the surface modification of conventional electrodes is an important development in electroanalysis. 20 Based on the above reported results on adsorption, the use of a chitosan-modified electrode looks like a logical choice for improvement of electroanalytical procedures. For comparison purposes, a bare GCE was used, to obtain the reduction mechanism of TRF.…”
Section: Resultsmentioning
confidence: 99%
“…19 Several methods, [20][21][22][23][24][25][26][27][28][29] including electroanalytical ones, 28,29 are used to determine this class of pesticides in solution or in real samples. Trifluralin and compounds of the same series (dinitroanilines) were earlier quantified in food, using biosensors.…”
Section: Introductionmentioning
confidence: 99%
“…3,[22][23][24][25] Adicionalmente, diversas espécies a serem analisadas podem ser pré-concentradas sobre eletrodos, tanto por processos de adsorção como por eletrodeposição. Os detectores eletroquímicos mais utilizados em sistemas em fluxo são os amperométricos, que foram adotados em grande parte dos trabalhos descritos na literatura.…”
Section: Introductionunclassified
“…Com o advento das técnicas eletroanalíticas, os sensores eletroquímicos ganharam um importante espaço nas diversas áreas de pesquisa 1,2 .…”
Section: Introductionunclassified