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Citation: CHEN Ting-Ting, HUANG Xiao-Hua, DU Jiang-Yan, FENG Yu-Ying, LIU Chang-Peng, XING Wei, LU Tian-Hong. On the Interaction Sites Between Microperoxidase-8 and Eu³⁺ Using Electrochemical Technique[J]. Chinese Journal of Applied Chemistry, ;2004, 21(4): 430-432. shu

On the Interaction Sites Between Microperoxidase-8 and Eu³⁺ Using Electrochemical Technique

1.
a College of Chemistry and Environment Science, Nanjing Normal University, Nanjing 210097;
2.
b State key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun

Corresponding author: LU Tian-Hong,
Received Date: 20 November 2003
Available Online: 26 December 2003
Fund Project: 国家自然科学基金(20243002) (20243002)国家计委稀土专项基金(GJX01100626) (GJX01100626)江苏省科技厅高新技术基金(BG2001045) (BG2001045)江苏省教育厅高校自然科学基金(01KJB150006、2000LHZ0000SJ1、02KJB150006) (01KJB150006、2000LHZ0000SJ1、02KJB150006)

The interaction sites between microperoxidase-8(MP-8) and Eu³⁺ was determined using electrochemical techniques. It is found that two Eu³⁺ ions would coordinate strongly with carboxylate oxygen of two propionic acid groups of the heme group in an MP-8 molecule, leading to the increase in the reversibility of the electrochemical reaction of MP-8. The excessive Eu³⁺ ions weakly interact with the oxygen containing groups in the peptide chain of MP-8.
- microperoxydase-8,
- Eu³⁺,
- cyclic voltammetry
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On the Interaction Sites Between Microperoxidase-8 and Eu3+ Using Electrochemical Technique

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通讯作者: 陈斌, bchen63@163.com

On the Interaction Sites Between Microperoxidase-8 and Eu³⁺ Using Electrochemical Technique