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Spectroelectrochemical Study of the AMP-Ag+ and ATP-Ag+ Complexes through Silver Mesh Electrode

Abstract

Electrochemical reaction mechanism of adenosine monophosphate (AMP) and adenosine triphosphate (ATP) on silver mesh was investigated in acetate buffer using a spectroelectrochemical technique. Through the results, it was found that AMP (or ATP) can form a complex with silver ion originating from silver mesh by applying a positive potential. In these complexes, silver ion coordinates to AMP or ATP via their phosphate group. However, when a negative potential was applied, the formed complex disappeared. The complex reaction is therefore electrochemically reversible process. Further studies using surface-enhancement Raman spectroscopy (SERS) have shown that AMP (or ATP) has a parallel and perpendicular orientation to the silver mesh surface according to their different binding sites (adenine ring, ribose and phosphate groups). In this assessment, the formation of adenine nucleotide-silver mesh surface complexes has displayed a promising biosensing capacity.

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Publication details

The article was received on 17 Jan 2018, accepted on 26 Mar 2018 and first published on 29 Mar 2018


Article type: Paper
DOI: 10.1039/C8AN00097B
Citation: Analyst, 2018, Accepted Manuscript
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    Spectroelectrochemical Study of the AMP-Ag+ and ATP-Ag+ Complexes through Silver Mesh Electrode

    F. Tano Patrice, L. Zhao, E. K. Fodjo, D. Li and Y. Long, Analyst, 2018, Accepted Manuscript , DOI: 10.1039/C8AN00097B

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