Issue 22, 2011
From the journal:

Chemical Communications

Metal ion-modulated graphene-DNAzyme interactions: design of a nanoprobe for fluorescent detection of lead(ii) ions with high sensitivity, selectivity and tunable dynamic range†

Yanqin Wen,a   Cheng Peng,a   Di Li,*a   Lin Zhuo,b   Shijiang He,a   Lihua Wang,a   Qing Huang,a   Qing-Hua Xub  and  Chunhai Fan*a  

* Corresponding authors

a Laboratory of Physical Biology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
E-mail: lidi@sinap.ac.cn, fchh@sinap.ac.cn

b Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore

Abstract

We investigate interactions between graphene oxide and a Pb2+-dependent DNAzyme, based on which a Pb2+ sensor with high sensitivity, selectivity and tunable dynamic range is developed.

Graphical abstract: Metal ion-modulated graphene-DNAzyme interactions: design of a nanoprobe for fluorescent detection of lead(ii) ions with high sensitivity, selectivity and tunable dynamic range

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Article information

DOI
https://doi.org/10.1039/C1CC11486G
Article type
Communication
Submitted
15 Mar 2011
Accepted
05 Apr 2011
First published
19 Apr 2011

Chem. Commun., 2011,47, 6278-6280

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Metal ion-modulated graphene-DNAzyme interactions: design of a nanoprobe for fluorescent detection of lead(II) ions with high sensitivity, selectivity and tunable dynamic range

Y. Wen, C. Peng, D. Li, L. Zhuo, S. He, L. Wang, Q. Huang, Q. Xu and C. Fan, Chem. Commun., 2011, 47, 6278 DOI: 10.1039/C1CC11486G

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