Development of electrochemical method for the determination of olaquindox using multi-walled carbon nanotubes modified glassy carbon electrode

被引：15
|
作者：
Xu, Tianci [1 ,2 ]
Zhang, Lei [1 ]
Yang, Jichun [1 ]
Li, Na [1 ]
Yang, Lijun [1 ]
Jiang, Xiaoqing [1 ]
机构：
[1] Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
[2] Liaoning Environm Monitoring & Expt Ctr, Shenyang 110161, Peoples R China
来源：
TALANTA | 2013年 / 109卷
基金：
中国国家自然科学基金;
关键词：
Olaquindox; Multi-walled carbon nanotubes; Modified glassy carbon electrode; Differential pulse voltammetry; Electrochemical determination; IN-VITRO; CARBADOX; GENOTOXICITY; DERIVATIVES;
D O I：
10.1016/j.talanta.2013.02.004
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple and highly sensitive method for the electrochemical determination of olaquindox (OLA) was developed, which was carried out on the multi-walled carbon nanotubes (MWCNT) modified glassy carbon electrode (MWCNT/GCE) using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The results showed that MWCNT remarkably enhanced the reduction of OLA, which improved the cathodic peak current of OLA significantly. Under the optimum condition, the linear range for the calibration curve was 0.3-18.0 mu g mL(-1) with a detection limit of 0.26 mu g mL(-1). The MWCNT/GCE showed a well reproducibility and the relative standard deviation (R.S.D.) was 3.5% (n=9). And a great anti-interference ability of the MWCNT/GCE was also observed. Finally, the MWCNT/GCE was satisfactorily employed to analyze some synthetic and real water samples. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：185 / 190
页数：6
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