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Issue 6, 2010
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Highly selective and ultrasensitive detection ofHg2+ based on fluorescence quenching of Au nanoclusters by Hg2+–Au+ interactions

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Abstract

A simple label-free method for the detection of Hg2+ ions with high selectivity and sensitivity has been developed by using fluorescent Au NCs in aqueous media. The sensing mechanism was based on the high-affinity metallophilic Hg2+Au+ interactions, which effectively quenched the fluorescence of Au NCs.

Graphical abstract: Highly selective and ultrasensitive detection of Hg2+ based on fluorescence quenching of Au nanoclusters by Hg2+–Au+ interactions

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Supplementary files

Article information


Submitted
07 Oct 2009
Accepted
11 Dec 2009
First published
24 Dec 2009

Chem. Commun., 2010,46, 961-963
Article type
Communication

Highly selective and ultrasensitive detection of Hg2+ based on fluorescence quenching of Au nanoclusters by Hg2+Au+ interactions

J. Xie, Y. Zheng and J. Y. Ying, Chem. Commun., 2010, 46, 961
DOI: 10.1039/B920748A

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