Issue 34, 2010
From the journal:

Chemical Communications

Electrochemical impedance study of the interaction of metal ions with unlabeled PNA†

Lan Gao,a   Congjuan Li,a   Xiaohong Li*a  and  Heinz-Bernhard Kraatz*b  

* Corresponding authors

a Department of Chemistry, Beijing Normal University, Beijing, China
E-mail: lxhxiao@bnu.edu.cn
Tel: +86 01-58802741

b Department of Chemistry, University of Western Ontario, 1151 Richmond Street, London, Canada
E-mail: hkraatz@uwo.ca
Tel: +1 (519)661-2111 ext. 81561

Abstract

The interactions of the metal ions Mg2+, Zn2+, Ni2+, and Co2+ with thin films of peptide nucleic acids (PNAs) were studied by electrochemical impedance spectroscopy (EIS), and the results show that Zn2+, Ni2+ and Co2+ interacted favorably with the PNA film involving the backbone and the nucleobases with the exception of Mg2+ for which the interaction with the backbone appears to be dominant.

Graphical abstract: Electrochemical impedance study of the interaction of metal ions with unlabeled PNA

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Article information

DOI
https://doi.org/10.1039/C0CC00986E
Article type
Communication
Submitted
16 Apr 2010
Accepted
09 Jul 2010
First published
03 Aug 2010

Chem. Commun., 2010,46, 6344-6346

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Electrochemical impedance study of the interaction of metal ions with unlabeled PNA

L. Gao, C. Li, X. Li and H. Kraatz, Chem. Commun., 2010, 46, 6344 DOI: 10.1039/C0CC00986E

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