Development of Au@NiO decorated polypyrrole composite for non-Enzymatic electrochemical sensing of cholesterol

被引：12

作者：

Nagarajan, A. ^{[1
]}

Sethuraman, V. ^{[2
]}

Sridhar, T. M. ^{[3
]}

Sasikumar, R. ^{[1
]}

机构：

[1] Univ Madras, Dept Phys Chem, Guindy Campus, Chennai 600025, Tamil Nadu, India

[2] Amara Raja Battery Ltd, Lithium ion Battery Div, New Energy Technol Ctr, Res & Dev, Tirupati 517520, Andhra Pradesh, India

[3] Univ Madras, Dept Analyt Chem, Chennai 600025, India

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2023年 / 120卷

关键词：

Au@NiO; PPy; Cholesterol; Electrochemical sensor; Polypyrrole; Differential pulse voltammetry; CARBON-NANOTUBES; HIGH-PERFORMANCE; ELECTRON-TRANSFER; GLUCOSE; NANOPARTICLES; BIOSENSOR; GRAPHENE; SENSOR; OXIDATION; SYSTEM;

D O I：

10.1016/j.jiec.2022.12.054

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, glassy carbon electrode modified by Au@NiO decorated polypyrrole nanocomposite (Au@NiO/PPy-GCE) was fabricated for sensing of cholesterol by non-enzymatic electrochemical method. The composite was characterized by XRD, XPS and morphological studies were examined using FE-SEM and TEM. The redox properties of cholesterol were investigated by cyclic voltammetry. When differential pulse voltammetry was employed to sense cholesterol, it exhibited a linear range from 1.0 x 10-5 to 1.0 x 10-4 M, with the sensitivity 7.6 mu A mu M-1 cm-2 and detection limit 5.8 x10-7 M. Hence, this compos-ite has excellent practical applications towards the fabrication of commercial sensors.(c) 2023 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：460 / 466

页数：7

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