da Silva, Luiz Fernando [UNESP]Stradiotto, Nelson Ramos [UNESP]Oliveira, Herenilton Paulino2014-05-202014-05-202008-06-01Electroanalysis. Weinheim: Wiley-v C H Verlag Gmbh, v. 20, n. 11, p. 1252-1258, 2008.1040-0397http://hdl.handle.net/11449/25851The electrochemical oxidation of 3,4-dihydroxycinnamic acid, caffeic acid, leads to a stable electroactive poly(caffeic acid) thin film containing quinone moiety on a preactivated glassy polymeric carbon electrode. The properties of the deposited films as well as the stability study under different experimental conditions were investigated. Taking advantage of the electrochemical behavior, an analytical method based on differential pulse voltammetry for determination of caffeic acid in red wine was proposed.1252-1258engglassy polymeric carboncaffeic aciddifferential pulse voltammetryphenolic compoundArtigo10.1002/elan.200704175WOS:000256512800015Acesso restrito0072173018005712