Issue 21, 2011
From the journal:

Chemical Communications

A simple and label-free sensor for mercury(ii) detection in aqueous solution by malachite green based on a resonance scattering spectral assay†

Yuangen Wu,ab   Shenshan Zhan,b   Lurong Xu,a   Weiwei Shi,a   Tao Xi,a   Xuejia Zhana  and  Pei Zhou*a  

* Corresponding authors

a Key Laboratory of Urban Agriculture (South), Ministry of Agriculture, Shanghai Jiao Tong University, Shanghai, P. R. China
E-mail: zhoupei@sjtu.edu.cn
Fax: +86-21-34205762
Tel: +86-21-34205762

b Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Guiyang, Guizhou, P. R. China
Fax: +86-851-4732925
Tel: +86-851-4732861

Abstract

Mercury ions (Hg2+) can specifically interact with the thymine-rich Hg2+ aptamer and malachite green (MG) to form the Hg2+ aptamer–MG–Hg2+ complex, inducing the increase of resonance scattering (RS) intensity at 611 nm, which enables the label-free detection of Hg2+ in aqueous solution with high selectivity and a detection limit of 1.7 nM.

Graphical abstract: A simple and label-free sensor for mercury(ii) detection in aqueous solution by malachite green based on a resonance scattering spectral assay

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Article information

DOI
https://doi.org/10.1039/C1CC10563A
Article type
Communication
Submitted
28 Jan 2011
Accepted
24 Apr 2011
First published
11 May 2011

Chem. Commun., 2011,47, 6027-6029

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A simple and label-free sensor for mercury(II) detection in aqueous solution by malachite green based on a resonance scattering spectral assay

Y. Wu, S. Zhan, L. Xu, W. Shi, T. Xi, X. Zhan and P. Zhou, Chem. Commun., 2011, 47, 6027 DOI: 10.1039/C1CC10563A

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