Electrochemical Detection Method for Chlorotetracycline based on Enhancement of Yolk-Shell Structured Carbon Sphere@MnO2

被引：21

作者：

Gan, Tian ^{[1
]}

Lv, Zhen ^{[1
]}

Liu, Ning ^{[1
]}

Shi, Zhaoxia ^{[1
]}

Sun, Junyong ^{[1
]}

Liu, Yanming ^{[1
]}

机构：

[1] Xinyang Normal Univ, Coll Chem & Chem Engn, Xinyang 464000, Peoples R China

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2015年 / 162卷 / 04期

关键词：

PERFORMANCE LIQUID-CHROMATOGRAPHY; SOLID-PHASE EXTRACTION; TETRACYCLINE ANTIBIOTICS; SENSITIVE DETERMINATION; MASS-SPECTROMETRY; RHODAMINE-B; SENSOR; RESISTANCE; ELECTRODE; WATER;

D O I：

10.1149/2.0261504jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The present paper describes a novel, simple and reliable semi-derivative differential pulse voltammetric method for determining chlorotetracycline (CTC) residue in foods based on the signal enhancement of yolk-shell structured carbon sphere@MnO2 (CS@MnO2). The CS@MnO2 was characterized by scanning electron microscopy, transmission electron microscopy and X-ray diffraction, which showed an excellent accumulation ability and high electrochemical activity to CTC due to the porous structure and low density. Under optimized conditions, the method showed a wide linear response in the range of 0.5-300 mu M with a detection limit of 0.26 mu M. Additionally, the method exhibited good stability and acceptable repeatability. The proposed method could be used for the determination of CTC in food samples with the recoveries of 98.80-101.5%, showing a promising potential in practical application. (C) 2015 The Electrochemical Society. All rights reserved.

引用

页码：H200 / H205

页数：6

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