Issue 7, 2012
From the journal:

Analyst

Highly specific colorimetric recognition and sensing of sulfide with glutathione-modified gold nanoparticle probe based on an anion-for-molecule ligand exchange reaction†

Jia Zhang,ab   Xiaowen Xuab  and  Xiurong Yang*a  

* Corresponding authors

a State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
E-mail: xryang@ciac.jl.cn
Fax: +86 431 85689278

b Graduate School of the Chinese Academy of Sciences, Beijing 230026, China

Abstract

Colorimetric recognition and sensing of sulfide with high selectivity by virtue of glutathione-modified gold nanoparticle (GSH-AuNP) is presented. The assay is developed based on a specific anion-for-molecule ligand exchange reaction, through which sulfide replaces glutathione self-assembled on the AuNP. The unique feature of the GSH-AuNP probe makes it a novel colorimetric sensor for sulfide.

Graphical abstract: Highly specific colorimetric recognition and sensing of sulfide with glutathione-modified gold nanoparticle probe based on an anion-for-molecule ligand exchange reaction

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Article information

DOI
https://doi.org/10.1039/C2AN16307A
Article type
Communication
Submitted
28 Dec 2011
Accepted
07 Feb 2012
First published
08 Feb 2012

Analyst, 2012,137, 1556-1558

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Highly specific colorimetric recognition and sensing of sulfide with glutathione-modified gold nanoparticle probe based on an anion-for-molecule ligand exchange reaction

J. Zhang, X. Xu and X. Yang, Analyst, 2012, 137, 1556 DOI: 10.1039/C2AN16307A

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