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Issue 20, 2011
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Silver(i) ions and cysteine detection based on photoinduced electron transfer mediated by cytosine–Ag+–cytosine base pairs

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Abstract

Upon formation of cytosine–Ag+cytosine base pairs as a mediator for the photoinduced electron transfer, the fluorescence of FAM-labeled DNA was quenched and the fluorescence emission wavelength exhibited a red shift. Based on these phenomena a novel dual-output fluorescent DNA sensor for Ag+ ions and cysteine detection was developed.

Graphical abstract: Silver(i) ions and cysteine detection based on photoinduced electron transfer mediated by cytosine–Ag+–cytosine base pairs

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Article information


Submitted
23 Jun 2011
Accepted
01 Aug 2011
First published
24 Aug 2011

Analyst, 2011,136, 4130-4133
Article type
Communication

Silver(I) ions and cysteine detection based on photoinduced electron transfer mediated by cytosine–Ag+cytosine base pairs

W. Y. Xie, W. T. Huang, N. B. Li and H. Q. Luo, Analyst, 2011, 136, 4130
DOI: 10.1039/C1AN15522A

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