Highly Selective Colorimetric Detection of Copper Ions Using Cysteamine Functionalized Gold Nanoparticles

被引：16

作者：

Li, Le ^{[1
,3
]}

Yuan, Zhiqin ^{[2
]}

Peng, Xinkai ^{[3
]}

Li, Lin ^{[3
]}

He, Jiantai ^{[1
]}

Zhang, Yangde ^{[1
]}

机构：

[1] Cent S Univ, Natl Hepatobiliary & Enter Surg Res Ctr, Changsha 410008, Hunan, Peoples R China

[2] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

[3] Food Safety Engn Technol Res Ctr Hunan Prov, Changsha 410008, Hunan, Peoples R China

来源：

JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2014年 / 61卷 / 12期

关键词：

Copper ions; Gold nanoparticles; Colorimetric; Cysteamine; CDS QUANTUM DOTS; FLUORESCENT CHEMOSENSOR; SENSITIVE DETECTION; CLICK CHEMISTRY; CU2+ DETECTION; AQUEOUS-MEDIA; ACTIVE-SITE; LEAD; MERCURY(II); BIOSENSOR;

D O I：

10.1002/jccs.201400188

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, we designed a system of integrating gold nanoparticles and cysteamine to detect Cu (2+) based on a colorimetric strategy. The quantified limit of detection towards Cu2+ is 0.4 mu M, which is similar to 50 times lower than the maximum contamination level (similar to 20 mu M) in drinking water permitted by US environmental protection agency. The practicality of this system was further validated by detecting Cu2+ in different water samples.

引用

页码：1371 / 1376

页数：6

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