Simultaneous electrochemical detection of the catecholamines and ascorbic acid at PEDOT/S-β-CD modified gold electrodes

被引：25

作者：

Colleran, John J. ^{[1
]}

Breslin, Carmel B. ^{[1
]}

机构：

[1] NUI, Dept Chem, Maynooth, Kildare, Ireland

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2012年 / 667卷

关键词：

PEDOT; Sulfonated-beta-CD; Dopamine; Ascorbic acid; Simultaneous detection; Tumour diagnosis; PERFORMANCE LIQUID-CHROMATOGRAPHY; INDUCED FLUORESCENCE DETECTION; MODIFIED POLY(PHENYLENEDIAMINE)-COATED ELECTRODES; CAPILLARY ZONE ELECTROPHORESIS; HOST-GUEST COMPLEXATION; GLASSY-CARBON ELECTRODE; IN-VIVO; URINARY CATECHOLAMINES; NANOCOMPOSITE PLATFORM; SELECTIVE DETECTION;

D O I：

10.1016/j.jelechem.2011.12.020

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Poly (3,4-ethylene dioxythiophene)/sulphated beta-cyclodextrin (PEDOT/S-beta-CD) films, deposited onto gold working electrodes, were investigated for ascorbic acid (AA) and catecholamine detection using cyclic voltammetry, hydrodynamic voltammetry and amperometry. The thin PEDOT/S-beta-CD films were fabricated via three electropolymerisation cyclic voltammetry cycles, on gold working macroelectrodes. A limit of detection (LoD) of 1.3 x 10(-7) M was determined at PEDOT/S-beta-CD modified gold electrodes, via cyclic voltammetry, for dopamine (DA) in the presence of 1 x 10(-3) M of AA in human urine samples. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：30 / 37

页数：8

共 76 条

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