Effect of Methanol on Electrochemical Behavior of Microperoxidase

Chem. J. Chinese Universities ›› 2003, Vol. 24 ›› Issue (8): 1456.

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Effect of Methanol on Electrochemical Behavior of Microperoxidase

WANG Xiao-Feng¹, HUANG Xiao-Hua¹, JIANG Hui-Jun², FENG Yu-Ying², XING Wei³, DING Xiao-Lan⁴, LU Tian-Hong^1,3

1. Department of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097, China;
2. College of Basic Medical Science, Nanjing Medical University, Nanjing 210029, China;
3. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
4. Department of Biological Science and Biotechnology, Tsinghua University, Beijing 100084, China

Received:2002-09-18 Online:2003-08-24 Published:2003-08-24

Abstract

Abstract: The electrochemical and electrocatalytic properties as well as the structures of MP-11 in the solution without and with 20% methanol were compared by using the electrochemical and Circular dichroism methods.It was found that in the presence of methanoLIn the solution, the reversibility of the electrochemical reaction and electrocatalytic activity of MP-11 for the reduction of H₂O₂increase because in the presence of methanoLIn the solution, the exposure extent of heme in the MP-11 molecule increases, the contents of the α-helix and β-turn structures increase and the content of the random coil structure decreases in the MP-11 molecule.

Key words: Microperoxidase-11, Methanol, Electrocatalytic activity, Circular dichroism spectrum

CLC Number:

O657

TrendMD:

WANG Xiao-Feng, HUANG Xiao-Hua, JIANG Hui-Jun, FENG Yu-Ying, XING Wei, DING Xiao-Lan, LU Tian-Hong. Effect of Methanol on Electrochemical Behavior of Microperoxidase[J]. Chem. J. Chinese Universities, 2003, 24(8): 1456.

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Effect of Methanol on Electrochemical Behavior of Microperoxidase

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