期刊
ELECTROCHIMICA ACTA
卷 146, 期 -, 页码 659-665出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2014.08.130
关键词
Biosensor; electrochemical impedance spectroscopy; redox mediator; 1,10-phenanthroline-5,6-dione glucose oxidase
资金
- Research Council of Lithuania [VP1-3.1-SMM-07-K-02-042]
1,10-Phenanthroline-5,6-dione and glucose oxidase modified and unmodified graphite electrodes were analysed in buffer/glucose media by the electrochemical impedance spectroscopy (EIS) method. The EIS analysis was carried out under potentiostatic conditions. The gathered impedimetric data was evaluated applying estimated equivalent circuits. It was determined that equivalent circuit R-Omega (R-F2 C-2)( C[RFW) most optimally describes this electrochemical system. The study revealed redox mediating properties of 1,10-phenanthroline-5,6-dione deposited on graphite electrodes. 2014 Elsevier Ltd. All rights reserved.
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