Electrochemical detection of bisphenol B based on poly(Prussian blue)/carboxylated multiwalled carbon nanotubes composite modified electrode

被引：19
作者：
Xing, Yi [1 ]
Wu, Guanlan [1 ]
Ma, Ying [1 ]
Yu, Yangyang [1 ]
Yuan, Xing [1 ]
Zhu, Xiaolin [1 ]
机构：
[1] Northeast Normal Univ, Sch Environm, Changchun 130117, Jilin, Peoples R China
来源：
MEASUREMENT | 2019年 / 148卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Bisphenol B; Prussian blue; Carboxylated multi-walled carbon nanotubes; Modified electrode; ENDOCRINE DISRUPTING COMPOUNDS; A SENSOR; FILM; NANOPARTICLES; TISSUES; SYSTEM; RUTIN;
D O I：
10.1016/j.measurement.2019.106940
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple and highly sensitive electrochemical sensor for the determination of bisphenol B (BPB) based on a glassy carbon electrode (GCE) modified with Prussian blue (PB) and carboxylated multi-walled carbon nanotubes (MWNTs-COOH) was constructed. The PB/MWCNTs-COOH/GCE was characterized by emission scanning electron microscopy, X-ray diffraction, electrochemical impedance spectroscopy, and cyclic voltammetry. Due to the synergistic effect, the PB/MWCNTs-COOH/GCE remarkably enhanced the oxidation of BPB, which improved the anodic peak current of BPB significantly. Under the optimum conditions, the linear response range of BPB was between 5 x 10(-8) and 1.75 x 10(-4 )M with the detection limit (SIN = 3) of 5 x 10(-10) M. Additionally, the PB/MWCNTs-COOH/GCE revealed excellent stability, repeatability and reproducibility. Moreover, it was successfully applied in the determination of BPB in real samples. This study provided a sensitive and simple sensor for the quantitative detection of BPB in the environment. (C) 2019 Elsevier Ltd. All rights reserved.
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页数：7
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