Enhanced oxidation of diclofenac sodium at a nano-structured electrochemical sensing film constructed by multi-wall carbon nanotubes-surfactant composite

被引：65
|
作者：
Yang, Xiaofeng [1 ,2 ]
Wang, Fang [1 ]
Hu, Shengshui [1 ]
机构：
[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China
[2] Whenzhou Med Coll, Dept Pharm, Wenzhou 325035, Peoples R China
来源：
MATERIALS SCIENCE & ENGINEERING C-BIOMIMETIC AND SUPRAMOLECULAR SYSTEMS | 2008年 / 28卷 / 01期
基金：
中国国家自然科学基金;
关键词：
diclofenac sodium; multi-walled carbon nanotubes (MWNTs); nanoparticles; voltammetric determination;
D O I：
10.1016/j.msec.2006.11.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A multi-walled carbon nanotubes (MWNTs)-dihexadecyl hydrogen phosphate (DHP) film-coated glassy carbon electrode (GCE) was fabricated, and the voltammetric determination method of diclofenac sodium was investigated on this modified electrode by using different kinds of electrochemical techniques. The results showed that this nano-structured film electrode exhibits excellent enhancement effects on the electrochemical oxidation of diclofenac sodium. The oxidation peak current of diclofenac sodium at this film-modified electrode increased significantly compared with that at a bare glassy carbon electrode. Based on the experiment outcomes a possible mechanism was proposed and discussed. The proposed method was demonstrated by using diclofenac sodium tablets and the result was satisfying. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：188 / 194
页数：7
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