Electrochemical sensing of bisphenol A by graphene-1-butyl-3-methylimidazolium hexafluorophosphate modified electrode

被引：57

作者：

Jing, Ping ^{[1
]}

Zhang, Xiaomei ^{[1
]}

Wu, Zhenxing ^{[1
]}

Bao, Lei ^{[1
]}

Xu, Yanli ^{[1
]}

Liang, Chengzhu ^{[1
]}

Cao, Wenqing ^{[1
]}

机构：

[1] Shandong Entry Exit Inspect & Quarantine Bur, Ctr Technol, Qingdao 266002, Shandong, Peoples R China

来源：

TALANTA | 2015年 / 141卷

基金：

中国国家自然科学基金;

关键词：

Bisphenol A; Graphene; Ionic liquid; CARBON; SENSOR; FILM; BIOSENSOR; GRAPHITE; SERUM;

D O I：

10.1016/j.talanta.2015.03.042

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Simple and low cost sensor for the determination of bisphenol A (BPA) based on graphene-1-butyl-3-methylimidazolium hexafluorophosphate (BmimPF(6)) modified glassy carbon electrode was developed. It was an irreversible oxidation process of BPA on the modified electrode. Experimental conditions such as modified volume, pH, scan rate and accumulation time have been optimized. The modified electrode provided a considerable enhancement of BPA oxidation. The electrochemical response of BPA on this modified electrode was better than those on the graphene modified electrode and bare electrode. The detection limit of BPA was 8 nM (S/N=3), the linear range was from 20 nM to 2 mu M. The modified electrode has been employed for determination of milk and soda spiked BPA successfully. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：41 / 46

页数：6

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