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Reference type: Journal
Authors: Wang GL, Wang R, Wu XQ, Zhang ZR
Article Title: Electrodeposition of Sol-gel Imprinted Films Modified Electrode and its Application for 3,4-Dihydroxybenzoic Acids Determination.
Publication date: 2008
Journal: Journal of Electrochemistry (China)
Volume: 14
Issue: (2)
Page numbers: 130-134.
Alternative URL: http://electrochem.xmu.edu.cn/EN/abstract/abstract8628.shtml

Abstract: The sol-gel molecularly imprinted films modified glassy carbon electrode was prepared by electrodeposition of tetramethoxysilane(TMOS) and phenyltrimethoxysilane(PTMOS) with chronoamperometry in the presence of template molecules 3,4-dihydroxybenzoic acid(3,4-DHBA) followed by extraction with ethanol.The modified electrode could successfully avoid the polymerization of oxidized 3,4-DHBA and the interference of 2,4-DHBA.A linear concentration response curve was obtained from 1.0 10-5 mol L-1 to 8.0 10-4 mol L-1,with the detected concentration limit of 5.0 10-6 mol L-1.
Template and target information: 3,4-dihydroxybenzoic acid, 3,4-DHBA
Author keywords: 3,4-dihydroxybenzoic acid, 2,4-dihydroxybenzoic acid, Molecular imprinted technique, silica sol-gel molecular imprinted films, Modified Electrode


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