Issue 24, 2011
From the journal:

Analyst

Label-free fluorescent detection of copper(ii) using DNA-templated highly luminescent silver nanoclusters†

Min Zhanga  and  Bang-Ce Ye*a  

* Corresponding authors

a Lab of Biosystems and Microanalysis, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Meilong RD 130, Shanghai, China
E-mail: bcye@ecust.edu.cn
Fax: +862164252094

Abstract

Novel luminescent silver nanoclusters (AgNCs) were synthesized utilizing DNA as templates by a simple, rapid and one-pot procedure. Luminescence studies indicated that these DNA-AgNCs exhibited strong emission with peak maximum at 624 nm. The fluorescence of the DNA-AgNCs was found to be quenched by Cu2+ enabling its detection with high sensitivity and selectivity.

Graphical abstract: Label-free fluorescent detection of copper(ii) using DNA-templated highly luminescent silver nanoclusters

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Article information

DOI
https://doi.org/10.1039/C1AN15891K
Article type
Communication
Submitted
24 Sep 2011
Accepted
30 Sep 2011
First published
21 Oct 2011

Analyst, 2011,136, 5139-5142

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Label-free fluorescent detection of copper(II) using DNA-templated highly luminescent silver nanoclusters

M. Zhang and B. Ye, Analyst, 2011, 136, 5139 DOI: 10.1039/C1AN15891K

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