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

被引：47
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
收藏
页码：140 / 144
页数：5
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