Issue 9, 2010
From the journal:

Chemical Communications

Carbon nanotube–DNA hybrid fluorescent sensor for sensitive and selective detection ofmercury(ii) ion†

Libing Zhang,a   Tao Li,a   Bingling Li,a   Jing Lia  and  Erkang Wang*a  

* Corresponding authors

a State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P. R. China
E-mail: ekwang@ciac.jl.cn
Fax: +86–431–85689711
Tel: +86–431–85262003

Abstract

Mercury ion (Hg2+) is able to specifically bind to the thymine–thymine (T–T) base pair in a DNA duplex and single-walled carbon nanotubes (SWNTs) can effectively quench fluorescence of the dye tethered to the DNA, which enables fluorescent detection of Hg2+ in aqueous solution with high selectivity and sensitivity.

Graphical abstract: Carbon nanotube–DNA hybrid fluorescent sensor for sensitive and selective detection of mercury(ii) ion

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Article information

DOI
https://doi.org/10.1039/B921191H
Article type
Communication
Submitted
12 Oct 2009
Accepted
22 Dec 2009
First published
20 Jan 2010

Chem. Commun., 2010,46, 1476-1478

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Carbon nanotube–DNA hybrid fluorescent sensor for sensitive and selective detection of mercury(II) ion

L. Zhang, T. Li, B. Li, J. Li and E. Wang, Chem. Commun., 2010, 46, 1476 DOI: 10.1039/B921191H

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