Fabrication of Cetyltrimethylammonium Bromide/chitosan Modified Glassy Carbon Electrode for Simultaneous Determination of Uric Acid and Ascorbic Acid

被引：1

作者：

Zhang, Ying ^{[1
]}

Luo, Li-Qiang ^{[1
]}

Ding, Ya-Ping ^{[1
]}

Li, Qiu-Xia ^{[1
]}

Shen, Xia ^{[1
]}

机构：

[1] Shanghai Univ, Dept Chem, Shanghai 200444, Peoples R China

来源：

JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2010年 / 57卷 / 5A期

基金：

中国国家自然科学基金;

关键词：

Modified electrode; Cetyltrimethylammonium bromide; Chitosan; Uric acid; Ascorbic acid; Surfactant; SIMULTANEOUS VOLTAMMETRIC DETECTION; SELECTIVE DETERMINATION; DOPAMINE; BROMIDE; NANOTUBE; SAMPLES;

D O I：

10.1002/jccs.201000148

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The electrochemical behavior of uric acid (UA) and ascorbic acid (AA) on the surface of the cetyltrimethylammonium bromide (CTAB) incorporating chitosan film-modified glassy carbon electrode (GCE) was investigated by linear sweep voltammetry (LSV) and differential pulse voltammetry (DPV). The modified electrode could completely separate the common merged voltammetric signals of UA and AA for 204 mV. Under the optimum conditions, the anodic peak currents of DPV were proportional to the concentration of AA in the range of 2.0 to 800.0 mu M, and that of UA in the range of 0.5 to 200.0 mu M. The proposed method was used to detect UA in urine with a satisfactory result.

引用

页码：1061 / 1066

页数：6

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