l-Cysteine modified silver nanoparticles-based colorimetric sensing for the sensitive determination of Hg2+ in aqueous solutions

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Fan, Pengfei;He, Shunzhen;Cheng, Jianlin;Hu, Congcong;Liu, Can;...

通讯作者：

Yang, Shengyuan;Liu, Jinquan

作者机构：

[He, Shunzhen; Hu, Congcong; Yang, Shengyuan; Cheng, Jianlin; Yang, SY; Liu, JQ; Liu, Jinquan; Fan, Pengfei; Liu, Can] Univ South China, Coll Publ Hlth, Hengyang 421001, Peoples R China.

[Hu, Congcong; Yang, Shengyuan; Cheng, Jianlin; Liu, Jinquan; Fan, Pengfei; Liu, Can] Key Lab Hengyang Hlth Hazard Factors Inspect & Qu, Hengyang, Peoples R China.

[He, Shunzhen] Jinnan Ctr Dis Control & Prevent, Tianjin, Peoples R China.

通讯机构：

[Yang, SY; Liu, JQ] U

Univ South China, Coll Publ Hlth, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

colorimetric sensing;functional;Hg2+;silver nanoparticles (Ag NPs)

期刊：

LUMINESCENCE

ISSN：

1522-7235

年：

2021

卷：

期：

页码：

698-704

DOI：

10.1002/bio.3990

基金类别：

Education Department of Hunan Province [16C1388]; Fund of Hengyang Key Laboratory [2018KJ110]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11205085]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2018JJ2323, 2020JJ5471]; State Key Laboratory of Chemo/Biosensing and Chemometrics [2018010]

机构署名：

本校为第一且通讯机构

院系归属：

公共卫生学院

摘要：

A simple and sensitive colorimetric sensing method was constructed for detection of Hg(2+) in aqueous solutions and based on silver nanoparticles functionalized with l-cysteine (l-Cys-Ag NPs). In this method, adenosine triphosphate (ATP) induced aggregation of l-Cys-Ag NPs. Simultaneously, the solution colour changed from bright yellow to brown. In the presence of Hg(2+) , Hg(2+) chelated ATP to form a complex and reduce the degree of aggregation of l-Cys-Ag NPs and was accompanied by a colour change from brown to bright yellow. The changing va...

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l-Cysteine modified silver nanoparticles-based colorimetric sensing for the sensitive determination of Hg2+ in aqueous solutions

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