A high-performance aptasensor for mercury(II) based on the formation of a unique ternary structure of aptamer–Hg2+–neutral red

Cai Gao; Qingxiang Wang; Feng Gao; Fei Gao

doi:10.1039/C4CC03275F

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A high-performance aptasensor for mercury(ii) based on the formation of a unique ternary structure of aptamer–Hg²⁺–neutral red†

Cai Gao,^a Qingxiang Wang,*^a Feng Gao^a and Fei Gao^a

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* Corresponding authors

^a College of Chemistry and Environment, Fujian Provincial Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou, P. R. China
E-mail: axiang236@126.com
Fax: +86-596-2527801
Tel: +86-596-2591445

Abstract

A highly sensitive and selective electrochemical aptasensor for mercury(II) has been developed based on the formation of a ternary complex between a mercury(II) specific aptamer (MSA), the neutral red (NR) molecule and the Hg²⁺ ion without pre-modification of the probe aptamer.

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Article information

DOI: https://doi.org/10.1039/C4CC03275F
Article type: Communication
Submitted: 02 May 2014
Accepted: 27 Jun 2014
First published: 02 Jul 2014

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Chem. Commun., 2014,50, 9397-9400

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A high-performance aptasensor for mercury(II) based on the formation of a unique ternary structure of aptamer–Hg²⁺–neutral red

C. Gao, Q. Wang, F. Gao and F. Gao, Chem. Commun., 2014, 50, 9397 DOI: 10.1039/C4CC03275F

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