Ca2+ induced Fe(CN)63-/4- electron transfer at Pt supported BLM electrode

被引：25
|
作者：
Jiang, DL [1 ]
Diao, P
Tong, RT
Gu, DP
Zhong, B
机构：
[1] Hebei Teachers Univ, Dept Chem, Shijiazhang 050016, Hebei, Peoples R China
[2] Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Peoples R China
来源：
BIOELECTROCHEMISTRY AND BIOENERGETICS | 1998年 / 44卷 / 02期
关键词：
lipid bilayer membrane; Ca-channeIs; Fe(CN)(3-/4-)(6) electron transfer;
D O I：
10.1016/S0302-4598(97)00065-2
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The effect of Ca2+ on the electron transfer of Fe(CN)(6)(3-/4-) couple at Pt supported lecithin (PC)/cholesterol (CH) bilayer lipid membrane (BLM) electrode has been studied by voltammetry and ac impedance spectroscopy. Experimental results suggest that the interaction of Ca2+ with the BLM can open some kind of channel for Fe(CN)(6)(3-/4-) ions, allowing increased access of the redox couple to the electrode surface. This phenomenon may be related to the Ca2+ regulation or activation effect of ion channel in some biomembranes. (C) 1998 Elsevier Science S.A.
引用
收藏
页码：285 / 288
页数：4
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