Development of a test strip based on DNA-functionalized gold nanoparticles for rapid detection of mercury (II) ions

被引：15
|
作者：
Duan, Jing [1 ]
Guo, Zhi Yong [1 ]
机构：
[1] Ningbo Univ, Fac Mat Sci & Chem Engn, Ningbo 315211, Zhejiang, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2012年 / 23卷 / 02期
关键词：
Mercury (H) ion; Test strip; Gold nanoparticles; DNA;
D O I：
10.1016/j.cclet.2011.09.025
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A rapid, sensitive, selective and reliable strip assay based on DNA-functionalized gold nanoparticles for Hg2+ detection has been developed, with a detection limit 5 nmol/L. The measurement principle was based on thymine-Hg2+-thymine (T-Hg2+-T) coordination chemistry and streptavidin-biotin interaction. The major advantages of this assay are that results can be read visually without any instrument in less than 10 mm and that it does not require any sample pretreatment. (C) 2011 Zhi Yong Quo. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
引用
收藏
页码：225 / 227
页数：3
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