Microperoxidase-11 Modified Electrode and Its Electrocatalytic Activity on the Reduction of O2 and H2O2

Chemical Research in Chinese Universities ›› 2003, Vol. 19 ›› Issue (1): 54-58.

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Microperoxidase-11 Modified Electrode and Its Electrocatalytic Activity on the Reduction of O₂ and H₂O₂

JIANG Hui-jun¹, WANG Feng-bin¹, GAO Ying², XING Wei¹, SHI Bao-chuan³, FENG Yu-ying³, YANG Hui³, LU Tian-hong³

1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China;
2. Department of Chemistry, Haerbin Normal University, Haerbin 215006, P. R. China;
3. Department of Chemistry, Nanjing Normal University, Nanjing 210097, P. R. China

Received:2001-01-08 Online:2003-01-24 Published:2011-08-06
Supported by:
Supported by "973" Project(No.G2000026408), the National Natural Science Foundation of China(No.29973015), the Natural Science Foundation of Heilongjiang Province(B2000-06) and the Natural Science Foundation of Eduction Committee of Jiangsu Province(2000LHZ0000SJ1)

Abstract

Abstract: Microperoxidase-11(MP-11) was immobilized on the surface of a silanized glass carbon electrode by means of the covalent bond with glutaraldehyde. The measurements of cyclic voltammetry demonstrated that the formal redox potential of immobilized MP-11 was -170 mV, which is significantly more positive than that of MP-11 in a solution or immobilized on the surface of electrodes prepared with other methods. This MP-11 modified electrode showed a good electrocatalytic activity and stability for the reduction of oxygen and hydrogen peroxide.

Key words: Microperoxidase-11, Modified electrode, Electrocatalytic reduction, Oxygen, Hydrogen peroxide

JIANG Hui-jun, WANG Feng-bin, GAO Ying, XING Wei, SHI Bao-chuan, FENG Yu-ying, YANG Hui, LU Tian-hong. Microperoxidase-11 Modified Electrode and Its Electrocatalytic Activity on the Reduction of O₂ and H₂O₂[J]. Chemical Research in Chinese Universities, 2003, 19(1): 54-58.

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Microperoxidase-11 Modified Electrode and Its Electrocatalytic Activity on the Reduction of O₂ and H₂O₂

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