Electrochemical Oxidation of Adenine on Graphene-Platinum Nanoparticles Modified Electrode

被引：0

作者：

Berghian-Grosan, C. ^{[1
]}

Biris, A. R. ^{[1
]}

Pruneanu, S. ^{[1
]}

Lazar, M. D. ^{[1
]}

Pogacean, F. ^{[1
]}

Watanabe, F. ^{[2
]}

Biris, A. S. ^{[2
]}

机构：

[1] Natl Inst Res & Dev Isotop & Mol Technol, 65-103 Donath, Cluj Napoca 400293, Romania

[2] Univ Arkansas, Ctr Integrat Nanotechnol Sci, Little Rock, AR 72204 USA

来源：

PROCESSES IN ISOTOPES AND MOLECULES (PIM 2013) | 2013年 / 1565卷

关键词：

graphene-platinum nanoparticles composite; adenine oxidation; graphene-modified electrode; DNA; GOLD; BIOSENSORS; GUANINE;

D O I：

10.1063/1.4833731

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanocomposite based on graphene and platinum nanoparticles was prepared by Radio Frequency catalytic Chemical Vapour Deposition (RF-cCVD) method over a Pt-x/MgO catalytic system (x=1 wt.%). This composite was used for modification of a platinum electrode, and next employed to investigate the electrochemical behaviour of adenine by Linear Sweep Voltammetry (LCV). The results showed that the modified electrode had a good electro-catalytic activity towards the oxidation of adenine. The electrochemical characteristics of the modified electrode were also investigated by Electrochemical Impedance Spectroscopy (EIS). A theoretical model was developed based on an electrical equivalent circuit which contained: the solution resistance (R-s), the charge transfer resistance (R-ct), the Warburg impedance (Z(w)) and the double layer capacitance (C-dl).

引用

页码：219 / 223

页数：5

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