Tannic acid functionalized N-doped graphene modified glassy carbon electrode for the determination of bisphenol A in food package

被引：48

作者：

Jiao, Shoufeng ^{[1
,2
]}

Jin, Jing ^{[1
]}

Wang, Lun ^{[1
]}

机构：

[1] Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Key Lab Chemobiosensing, Wuhu 241000, Peoples R China

[2] Huaibei Vocat & Tech Coll, Huaibei 235000, Peoples R China

来源：

TALANTA | 2014年 / 122卷

关键词：

N-doped graphene; Bisphenol A; Tannic acid; Electrochemical determination; Electrochemical sensors; ADSORPTION; EXTRACTION; ESTRADIOL; SENSOR;

D O I：

10.1016/j.talanta.2014.01.063

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A rapid, environmental friendly, and sensitive sensor for the detection of bisphenol A (BPA) was developed at glassy carbon electrode (GCE) modified with Tannic acid functionalized N-doped graphene (TA/N-G) immobilized by Nafion. Compared with other sensors, the proposed sensor greatly enhanced the response signal of BPA due to the active surface area of N-G and high absorption efficiency of TA. Under the optimal conditions, the oxidation current increased linearly with increasing the concentration of BPA in the range of 0.05-13 mu M with the detection limit of 4.0 nM. The fabricated electrode showed good reproducibility, stability and anti-interference. The developed electrochemical sensor was successfully applied to determine BPA in food package. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：140 / 144

页数：5

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