Electrochemical behavior and voltammetric determination of paracetamol on Nafion/TiO2-graphene modified glassy carbon electrode

被引：223
|
作者：
Fan, Yang [1 ]
Liu, Jin-Hang [1 ]
Lu, Hai-Ting [1 ]
Zhang, Qin [1 ]
机构：
[1] Xinyang Normal Univ, Coll Chem & Chem Engn, Xinyang 464000, Peoples R China
来源：
COLLOIDS AND SURFACES B-BIOINTERFACES | 2011年 / 85卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Paracetamol; Graphene; TiO2-graphene nanocomposite; Electrochemical sensor; SENSOR; GRAPHENE; ACETAMINOPHEN; NANOPARTICLES; OXIDATION; TIO2;
D O I：
10.1016/j.colsurfb.2011.02.041
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
The TiO2-graphene (TiO2-GR) nanocomposite for paracetamol electrochemical sensing is described. The electrochemical behavior of paracetamol at the Nafion/TiO2-GR composite film modified glassy carbon electrode (GCE) was investigated by cyclic voltammetry. The results showed that the incorporation of TiO2 nanoparticles with graphene significantly enhanced the electrochemical reactivity and voltammetric response of paracetamol. In addition, Nation acts as an effective solubilizing agent and antifouling coating in the fabrication of the modified electrode. This electrochemical sensor exhibits excellent analytical performance for paracetamol detection at physiological pH with detection limit of 2.1 x 10(-7) M. linear range of 1-100 mu m and reproducibility of 3.6% relative standard deviation. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：289 / 292
页数：4
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