A Facile Fabrication of Poly-ethionine Film on Glassy Carbon Electrode for Simultaneous and Sensitive Detection of Dopamine and Paracetamol

被引：17

作者：

Kannan, Ayyadurai ^{[1
]}

Manojkumar, Seenivasan ^{[1
,2
]}

Radhakrishnan, Sivaprakasam ^{[3
]}

机构：

[1] Vivekananda Coll, Postgrad & Res Dept Chem, Madurai 625234, Tamil Nadu, India

[2] Ming Chi Univ Technol, Battery Res Ctr Green Energy, New Taipei 243, Taiwan

[3] CSIR Cent Electrochem Res Inst, Electrod & Electrocatalysis Div, Karaikkudi 630003, Tamil Nadu, India

来源：

ELECTROANALYSIS | 2021年 / 33卷 / 05期

关键词：

Electrochemical polymerization; ethionine; electrochemical sensor; dopamine; paracetamol;

D O I：

10.1002/elan.202060451

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An electrochemical sensor based on poly-ethionine (Poly-ET) film modified glassy carbon electrode was developed for sensitive and simultaneous sensing of dopamine (DA) and paracetamol (PA). The electropolymerization of ethionine monomer was carried out to modify the electrode. The modified electrode was characterized by using scanning electron microscopy, cyclic voltammetry and electrochemical impedance spectroscopy. The Poly-ET/GCE exhibited excellent electrocatalysis towards the sensing of DA and PA. Poly-ET/GCE showed a linear increase of current response with increase concentration of DA and PA ranging from 0.1 mu M-60 mu M and 0.1 mu M-180 mu M, respectively. The LODs were found to be 7 nM and 18 nM (S/N=3) for DA and PA, respectively. This electrochemical sensor was successfully utilized for the detection of DA and PA in pharmaceutical samples.

引用

页码：1175 / 1184

页数：10

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