Fluorescent gold nanoparticles-based fluorescence sensor for Cu2+ ions

Wenbin Chen; Xijuan Tu; Xiangqun Guo

doi:10.1039/B820145E

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Fluorescent gold nanoparticles-based fluorescence sensor for Cu²⁺ ions†

Wenbin Chen,^a Xijuan Tu^a and Xiangqun Guo*^a

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* Corresponding authors

^a Department of Chemistry, The MOE Key Laboratory of Analytical Science and the Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
E-mail: xqguo@xmu.edu.cn
Fax: (+86)592-2181637
Tel: (+86)592-2181637

Abstract

A new fluorescence sensor for the highly selective detection of Cu²⁺ ion with a detection limit of 3.6 nM based on the aggregation-induced fluorescence quenching of the highly fluorescent glutathione-capped gold nanoparticles is reported.

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Supplementary files

Experimental procedures for preparing nanoparticles, Cu²⁺ detection and Fig. S1–S3 PDF (1919K)

Article information

DOI: https://doi.org/10.1039/B820145E
Article type: Communication
Submitted: 11 Nov 2008
Accepted: 20 Jan 2009
First published: 11 Feb 2009

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Chem. Commun., 2009, 1736-1738

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Fluorescent gold nanoparticles-based fluorescence sensor for Cu²⁺ ions

W. Chen, X. Tu and X. Guo, Chem. Commun., 2009, 1736 DOI: 10.1039/B820145E

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