An electrochemical sensor based on molecularly imprinted poly ( o-phenylenediamine) for the detection of thymol

被引：2

作者：

Dong, Jieming ^{[1
]}

Zhang, Hongyu ^{[2
]}

Ding, Zhixiang ^{[3
]}

Li, Junyao ^{[1
]}

Xu, Laidi ^{[1
]}

Kong, Yong ^{[1
]}

Zheng, Guojun ^{[2
]}

机构：

[1] Changzhou Univ, Sch Petrochem Engn, Jiangsu Key Lab Adv Mat & Technol, Changzhou 213164, Peoples R China

[2] Changzhou 3 Peoples Hosp, Dept Clin Lab, Changzhou 213001, Peoples R China

[3] Changzhou Municipal Hosp Tradit Chinese Med, Dept Clin Lab, Changzhou 213003, Peoples R China

来源：

ANALYTICAL BIOCHEMISTRY | 2024年 / 691卷

基金：

中国国家自然科学基金;

关键词：

Molecular imprinting; Electrochemical polymerization; Poly(o-phenylenediamine); Electrochemical sensors; Thymol; SENSITIVE VOLTAMMETRIC DETERMINATION; ELECTRODE; RECOGNITION; MWCNTS; NANOCOMPOSITE; MONOTERPENES; CARVACROL; ACID;

D O I：

10.1016/j.ab.2024.115551

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A molecularly imprinted electrochemical sensor was facilely fabricated for the detection of thymol (THY). o - Phenylenediamine (oPD) was used as the functional monomer and electropolymerized on the surface of the glassy carbon electrode (GCE) by using THY as the templates. After the THY templates were removed with 50 % (v/v) ethanol, imprinted cavities complementary to the templates were formed within the poly( o -phenylenedi- amine) (PoPD) films. The resultant molecularly imprinted PoPD/GCE (MI-PoPD/GCE) was used for the detection of THY, and a wide linear range from 0.5 to 100 mu M with a low limit of detection (LOD) of 0.084 mu M were obtained under the optimal conditions. The developed MI-PoPD/GCE also displays high selectivity, reproducibility and stability for THY detection. Finally, the content of THY in the real samples was accurately determined by the as -fabricated MI-PoPD/GCE, demonstrating its high practicability and reliability.

引用

页数：8

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