Issue 11, 2012
From the journal:

Analyst

Logic gates for multiplexed analysis of Hg2+ and Ag+

Guiyun Zhang,a   Wenlie Lin,b   Weiqiang Yang,a   Zhenyu Lin,*a   Longhua Guo,a   Bin Qiua  and  Guonan Chena  

* Corresponding authors

a MOE Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian, China
E-mail: zylin@fzu.edu.cn, gnchen@fzu.edu.cn
Fax: +86-591-22866135

b Yanchang Oil field Corp. Ltd., Shanxi, China

Abstract

The design of devices with multiple functions, simple handling procedures and sufficient sensitivity has drawn great interests in the field of analysis. Metal–nucleotide based pairs, such as T–Hg2+–T and C–Ag+–C complexes accompanied by SYBR Green I (SG), are used to selectively bind duplex-strand DNA by observing a bright fluorescence signal in this work, thus yielding a simple method for the rapid detection of Hg2+ and Ag+ without a complex labeling process. Based on this principle, ‘OR’ and ‘AND’ logic gates for the multiplexed analysis of Hg2+ and Ag+ were developed, and their practical application for the detection of Hg2+ and Ag+ in drinking water was reported.

Graphical abstract: Logic gates for multiplexed analysis of Hg2+ and Ag+

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Article information

DOI
https://doi.org/10.1039/C2AN35180C
Article type
Paper
Submitted
08 Feb 2012
Accepted
13 Mar 2012
First published
14 Mar 2012

Analyst, 2012,137, 2687-2691

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Logic gates for multiplexed analysis of Hg2+ and Ag+

G. Zhang, W. Lin, W. Yang, Z. Lin, L. Guo, B. Qiu and G. Chen, Analyst, 2012, 137, 2687 DOI: 10.1039/C2AN35180C

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