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

被引：1
|
作者：
Wan-Yi Chen
Li-Ping Mei
Jiu-Ju Feng
Tao Yuan
Ai-Jun Wang
Haiying Yu
机构：
[1] Zhejiang Normal University,College of Geography and Environmental Science, College of Chemistry and Life Science
来源：
Microchimica Acta | 2015年 / 182卷
关键词：
Gold nanodendrites; Electroanalysis; -Asparagine; Bisphenol A;
D O I：
暂无
中图分类号：
学科分类号：
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 μM (R2 = 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.
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页码：703 / 709
页数：6
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