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Intertwined Carbon Nanotubes and Ag Nanowires Constructed by Simple Solution Blending as Sensitive and Stable Chloramphenicol Sensors

文献类型： 外文期刊

作者： Zhu, Yangguang 1 ; Li, Xiufen 1 ; Xu, Yuting 3 ; Wu, Lidong 4 ; Yu, Aimin 5 ; Lai, Guosong 6 ; Wei, Qiuping 7 ; Chi, Hai; 1 ;

作者机构： 1.Jiangnan Univ, Sch Environm & Civil Engn, Lab Environm Biotechnol, Wuxi 214122, Jiangsu, Peoples R China

2.Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn NIMTE, Ningbo 315201, Peoples R China

3.Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Peoples R China

4.Chinese Acad Fishery Sci, Key Lab Control Qual & Safety Aquat Prod, Beijing 100141, Peoples R China

5.Swinburne Univ Technol, Dept Chem & Biotechnol, Fac Sci Engn & Technol, Hawthorn, Vic 3122, Australia

6.Hubei Normal Univ, Dept Chem, Huangshi 435002, Hubei, Peoples R China

7.Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China

8.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China

9.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

关键词： chloramphenicol; carbon nanotubes; silver nanowires; electrochemical sensor; voltammetric detection

期刊名称：SENSORS （ 影响因子：3.576； 五年影响因子：3.735 ）

ISSN：

年卷期： 2021 年 21 卷 4 期

页码：

收录情况： SCI

摘要： Chloramphenicol (CAP) is a harmful compound associated with human hematopathy and neuritis, which was widely used as a broad-spectrum antibacterial agent in agriculture and aquaculture. Therefore, it is significant to detect CAP in aquatic environments. In this work, carbon nanotubes/silver nanowires (CNTs/AgNWs) composite electrodes were fabricated as the CAP sensor. Distinguished from in situ growing or chemical bonding noble metal nanomaterials on carbon, this CNTs/AgNWs composite was formed by simple solution blending. It was demonstrated that CNTs and AgNWs both contributed to the redox reaction of CAP in dynamics, and AgNWs was beneficial in thermodynamics as well. The proposed electrochemical sensor displayed a low detection limit of up to 0.08 mu M and broad linear range of 0.1-100 mu M for CAP. In addition, the CNTs/AgNWs electrodes exhibited good performance characteristics of repeatability and reproducibility, and proved suitable for CAP analysis in real water samples.

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