Please use this identifier to cite or link to this item: https://doi.org/10.1529/biophysj.106.102632
Title: Electrocatalytic oxidation of guanine, guanosine, and guanosine monophosphate
Authors: Xie, H.
Yang, D. 
Heller, A.
Gao, Z.
Issue Date: Apr-2007
Citation: Xie, H., Yang, D., Heller, A., Gao, Z. (2007-04). Electrocatalytic oxidation of guanine, guanosine, and guanosine monophosphate. Biophysical Journal 92 (8) : L70-L72. ScholarBank@NUS Repository. https://doi.org/10.1529/biophysj.106.102632
Abstract: The electrochemical behavior of guanine, guanosine, and guanosine monophosphate (GMP) at redox polymer film modified indium tin oxide electrodes is examined by voltammetry and redox titration. Utilizing the redox polymer-coated electrodes as indicator electrodes, a new method for measuring the oxidation potentials, based on monitoring their catalytic oxidation by different redox polymer coated electrodes at different pH, was proposed in this work. The oxidation potentials of 0.81 V and 1.02 V versus normal hydrogen electrode were determined for guanine and guanosine/GMP under physiological conditions, the lowest oxidation potentials ever reported, to our knowledge. © 2007 by the Biophysical Society.
Source Title: Biophysical Journal
URI: http://scholarbank.nus.edu.sg/handle/10635/100562
ISSN: 00063495
DOI: 10.1529/biophysj.106.102632
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