Electrochemical determination of bisphenol A with a glassy carbon electrode modified with gold nanodendrites

被引：32

作者：

Chen, Wan-Yi ^{[1
]}

Mei, Li-Ping ^{[1
]}

Feng, Jiu-Ju ^{[1
]}

Yuan, Tao ^{[1
]}

Wang, Ai-Jun ^{[1
]}

Yu, Haiying ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Coll Geog & Environm Sci, Coll Chem & Life Sci, Jinhua 321004, Peoples R China

来源：

MICROCHIMICA ACTA | 2015年 / 182卷 / 3-4期

关键词：

Gold nanodendrites; Electroanalysis; L-Asparagine; Bisphenol A; SENSITIVE DETERMINATION; NANOPARTICLES; BIOSENSOR; SENSOR;

D O I：

10.1007/s00604-014-1377-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Three-dimensional gold nanodendrites with (111)-oriented growth were fabricated on a glassy carbon electrode by one-step electrodeposition of AuCl4 (-) in the presence of L-asparagine. The gold nanodendrites were functionalized with 4-mercaptobenzoic acid (4-MBA), which showed the improved catalytic performance for sensitive and selective determination of bisphenol A (BPA) by differential pulse voltammetry. The oxidation peak currents of BPA at 514 mV showed linear responses to BPA concentrations from 0.05 to 55.0 mu M (R (2) = 0.995), with the detection limit of 1.2 nM (S/N = 3). The modified electrode was extended for trace detection of BPA in (spiked) real samples with satisfied results.

引用

页码：703 / 709

页数：7

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