Optimization of positively charged gold nanoparticles synthesized using a stainless-steel mesh and its application for colorimetric hydrogen peroxide detection

被引：14

作者：

Han, Thi Hiep ^{[1
]}

Khan, Mohammad Mansoob ^{[1
]}

Lee, Jintae ^{[1
]}

Cho, Moo Hwan ^{[1
]}

机构：

[1] Yeungnam Univ, Sch Chem Engn, Kyongsan 712749, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 04期

关键词：

Positively charged gold nanoparticles; Gold nanoparticle formation; Particle size; Peroxidase mimic; H2O2; detection; CATALYTIC-ACTIVITY; OPTICAL-PROPERTIES; PARTICLE-SIZE; TEMPERATURE; GLUCOSE; SHAPE; ABSORPTION; STABILITY; TIO2; H2O2;

D O I：

10.1016/j.jiec.2013.09.023

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synthesis of (+)AuNPs procedure using a stainless-steel mesh was optimized. The optimal synthetic parameters were found to be one piece of stainless-steel mesh (22.5 cm(2) in surface area) in 100 mL of a 1 mM precursor, precursor solution pH 4, and reaction temperature of 30 C. Under the optimal conditions, the as-synthesized (+)AuNPs were highly positively charged (+24.2 mV). Therefore, the assynthesized (+)AuNPs act as a peroxidase mimic and provide a simple, fast, highly sensitive and selective colorimetric method for H2O2 detection with a detection limit of 0.06 mM in the linear range from 0.06 mM to 4.29 mM. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：2003 / 2009

页数：7

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