Molecularly imprinted polymer based electrochemical sensor for the determination of the anthelmintic drug oxfendazole

被引：25

作者：

Radi, Abd-Elgawad ^{[1
]}

El-Naggar, Abd-Elrahman ^{[1
]}

Nassef, Hossam M. ^{[1
]}

机构：

[1] Dumyat Univ, Fac Sci, Dept Chem, Dumyat 34517, Egypt

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2014年 / 729卷

关键词：

Molecularly imprinted polymers; Polypyrrole; Oxfendazole; Sensors; Screen printed carbon electrode; Voltammetry; PERFORMANCE LIQUID-CHROMATOGRAPHY; PENCIL GRAPHITE ELECTRODE; POLYPYRROLE; BENZIMIDAZOLE; MODEL; FILMS; RECOGNITION; SHEEP;

D O I：

10.1016/j.jelechem.2014.07.021

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A molecularly imprinted polymer (MIP) based electrochemical sensor for the determination of the anthelmintic drug oxfendazole (OFZ) was developed. The polypyrrole (PPy) was electrochemically synthesized onto a screen printed carbon electrode (SPCE) surface. The determination of OFZ was accomplished on MIP-SPCE using differential pulse (DP) and square wave (SW) voltammetry in phosphate buffer solution pH 3.8. The MIP exhibited a good selectivity for OFZ with respect to the other benzimidazoles veterinary drugs. The applicability of the method was tested with milk samples, spiked with OFZ at 30.0-250.0 mu g kg(-1) with detection limits of 10.0 and 8.0 mu g/kg and the mean recoveries obtained were 101.8 +/- 3.8% and 100.8 +/- 4.2%, at spiking concentration of 50.0 mu g/kg for DPV and SWV, respectively. (C) 2014 Published by Elsevier B.V.

引用

页码：135 / 141

页数：7

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