Issue 33, 2011
From the journal:

Chemical Communications

DNAzyme crosslinked hydrogel: a new platform for visual detection of metal ions†

Haoxue Lin,a   Yuan Zou,a   Yishun Huang,a   Jie Chen,a   Wei Yun Zhang,a   Zhixia Zhuang,a   Gareth Jenkinsa  and  Chaoyong James Yang*a  

* Corresponding authors

a State Key Laboratory of Physical Chemistry of Solid Surfaces, The Key Laboratory for Chemical Biology of Fujian Province, Key Laboratory of Analytical Science, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
E-mail: cyyang@xmu.edu.cn

Abstract

We propose the use of DNAzyme as a crosslinker of hydrogel to develop a catalytic platform for the sensing of metal ions. The DNAzyme crosslinked hydrogel can undergo gel–sol transition in response to Cu2+ ions, which enables sensitive visual detection of Cu2+ by observing the release of pre-trapped AuNPs.

Graphical abstract: DNAzyme crosslinked hydrogel: a new platform for visual detection of metal ions

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Article information

DOI
https://doi.org/10.1039/C1CC12290H
Article type
Communication
Submitted
20 Apr 2011
Accepted
13 May 2011
First published
31 May 2011

Chem. Commun., 2011,47, 9312-9314

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DNAzyme crosslinked hydrogel: a new platform for visual detection of metal ions

H. Lin, Y. Zou, Y. Huang, J. Chen, W. Y. Zhang, Z. Zhuang, G. Jenkins and C. J. Yang, Chem. Commun., 2011, 47, 9312 DOI: 10.1039/C1CC12290H

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