Electrospun Nanofibers with High Specific Surface Area to Prepare Modified Electrodes for Electrochemiluminescence Detection of Azithromycin

Author:

Cheng Hao12ORCID,Li Xuenuan1ORCID,Li Tianhao1,Qin Danfeng1,Tang Tingfan1,Li Yanqing1ORCID,Wang Guixiang3ORCID

Affiliation:

1. Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006 Guangxi, China

2. Province and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004 Guangxi, China

3. College of Chemistry and Chemical Engineering, Taishan College, Tai’an 271021, Shandong, China

Abstract

Polyacrylonitrile (PAN) and (CH3COO)2Zn were used as raw materials, and carbon nanofibers (CNFs) with high specific surface area were successfully prepared by an electrospinning method. A new method of electrochemiluminescence detection of azithromycin was established by modifying the glassy carbon electrode (GCE). Under the optimal conditions, the electrochemical behavior and electrochemiluminescence behavior of the Ru(bpy)32+-AZM system on the modified electrode were investigated. Owing to the large specific area, more active sites, and promotion of electron transfer, the sensor exhibits high electrocatalytic activity, high sensitivity, a good linear relationship ranging from 8.0 × 10 8 to 1.0 × 10 4  mol/L, and a low detection limit ( 6.52 × 10 8  mol/L). In addition, the good recoveries indicate that the sensor was a promising device for the detection of azithromycin in real samples.

Funder

High Levels of Innovation Team and Excellence Scholars Program in colleges of Guangxi

Publisher

Hindawi Limited

Subject

General Materials Science

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