Issue 97, 2012
From the journal:

Chemical Communications

A one-step homogeneous plasmonic circular dichroism detection of aqueous mercury ions using nucleic acid functionalized gold nanorods†

Yingyue Zhu,‡ab   Liguang Xu,‡a   Wei Ma,a   Zhou Xu,a   Hua Kuang,a   Libing Wang*ac  and  Chuanlai Xu*a  

* Corresponding authors

a School of Food Science & Technology, State Key Lab of Food Science and Technology Jiangnan University, Wuxi Jiangsu, P. R. China
E-mail: wanglb1@126.com, xcl@jiangnan.edu.cn

b Changshu Institute of Technology, Changshu Jiangsu, P. R. China

c Technological Center of Hunan Entry-Exit Inspection and Quarantine Bureau, Changsha 410001, P. R. China

Abstract

In this work, we report the application of gold nanorods ladder assemblies as chiroptical sensors for detecting mercury ions (Hg2+). By taking advantage of the Hg2+-mediated T–T base pair of DNA and the high sensitivity of CD measurements, the method offers a simple and sensitive detection of target Hg2+ residues in water. Therefore, the developed method will be a promising tool for monitoring heavy metal ions, other small molecules and biomacromolecules.

Graphical abstract: A one-step homogeneous plasmonic circular dichroism detection of aqueous mercury ions using nucleic acid functionalized gold nanorods

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Article information

DOI
https://doi.org/10.1039/C2CC36559F
Article type
Communication
Submitted
10 Sep 2012
Accepted
23 Oct 2012
First published
24 Oct 2012

Chem. Commun., 2012,48, 11889-11891

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A one-step homogeneous plasmonic circular dichroism detection of aqueous mercury ions using nucleic acid functionalized gold nanorods

Y. Zhu, L. Xu, W. Ma, Z. Xu, H. Kuang, L. Wang and C. Xu, Chem. Commun., 2012, 48, 11889 DOI: 10.1039/C2CC36559F

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