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Electrochemical metal ion sensors. Exploiting amino acids and peptides as recognition elements

Gooding, J. Justin, Hibbert, D. Brynn and Yang, Wenrong 2001, Electrochemical metal ion sensors. Exploiting amino acids and peptides as recognition elements, Sensors, vol. 1, no. 3, pp. 75-90, doi: 10.3390/s10300075.

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Title Electrochemical metal ion sensors. Exploiting amino acids and peptides as recognition elements
Author(s) Gooding, J. Justin
Hibbert, D. Brynn
Yang, WenrongORCID iD for Yang, Wenrong orcid.org/0000-0001-8815-1951
Journal name Sensors
Volume number 1
Issue number 3
Start page 75
End page 90
Publisher Molecular Diversity Preservation International
Place of publication Basel, Switzerland
Publication date 2001-08
ISSN 1424-8239
1424-8220
Keyword(s) metal ion sensors
amino acids
peptides
electrochemistry
Summary Amino acids and peptides are known to bind metal ions, in some cases very strongly. There are only a few examples of exploiting this binding in sensors. The review covers the current literature on the interaction of peptides and metals and the electrochemistry of bound metal ions. Peptides may be covalently attached to surfaces. Of particular interest is the attachment to gold via sulfur linkages. Sulfur-containing peptides (eg cysteine) may be adsorbed directly, while any amino group can be covalently attached to a carboxylic acid-terminated thiol. Once at a surface, the possibility for using the attached peptide as a sensor for metal ions becomes realised. Results from the authors’ laboratory and elsewhere have shown the potential for selective monitoring of metal ions at ppt levels. Examples of the use of poly-aspartic acid and the copper binding peptide Gly-Gly-His for detecting copper ions are given.
Notes Reproduced under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/

“Published material can be re-used without obtaining permission as long as a correct citation to the original publication is given” http://www.mdpi.com/about/openaccess
Language eng
DOI 10.3390/s10300075
Field of Research 100703 Nanobiotechnology
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2001, MDPI
Persistent URL http://hdl.handle.net/10536/DRO/DU:30035175

Document type: Journal Article
Collections: Institute for Technology Research and Innovation
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.