Electrocatalysis of a SiC particle-modified glassy carbon electrode for the oxidation of adrenaline in a KRPB physiological solution | Zendy

Zhangyu Yu | Zendy; Kong De-sheng | Zendy; WU Shu-xin | Zendy; Lei Wang | Zendy; Hanf-Qing Wang | Zendy

Open Access

Electrocatalysis of a SiC particle-modified glassy carbon electrode for the oxidation of adrenaline in a KRPB physiological solution

Author(s) -

Zhangyu Yu,

Kong De-sheng,

WU Shu-xin,

Lei Wang,

Hanf-Qing Wang

Publication year - 2005

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0505745y

Subject(s) - electrocatalyst , electrode , dielectric spectroscopy , cyclic voltammetry , glassy carbon , electrochemistry , inorganic chemistry , particle (ecology) , palladium hydrogen electrode , quinhydrone electrode , chemistry , materials science , reference electrode , oceanography , geology

The electrocatalytic properties of a SiC particle-modified glassy carbon electrode (MGC) for adrenaline oxidation were studied by cyclic voltammetry, dou- ble-potential slep chronoculometry and electrochemical impedance spectroscopy in a pH 7.4 physiological Kres-Ringer phosphate buffer (KRPB) solution. It was shown that modification of the electrode with SiC particles has a marked electro- catalytic effect on the electrochemical reaction of adrenaline, i.e., the activity and the reversibility of the MGC electrode were significantly improved compared to an ummodified electrode. This was attributed to the adsorption effect of the electro- active adrenaline molecules on the MGC electrode surface.

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