FT-RAMAN SPECTROSCOPIC STUDIES ON THE INTERACTION OF METAL-IONS WITH SPHINGOMYELIN BILAYER

被引：0
|
作者：
ZHAO, B
YUAN, CB
ZHAO, DQ
NI, JZ
HUANG, F
机构：
[1] JILIN UNIV,KEY LAB MOLEC SPECTRA & STRUCT,CHANGCHUN 130023,PEOPLES R CHINA
[2] ACAD SINICA,CHANGCHUN INST APPL CHEM,RARE EARTH CHEM & PHYS LAB,CHANGCHUN 130022,PEOPLES R CHINA
[3] ACAD SINICA,INST BIOPHYS,BEIJING 100080,PEOPLES R CHINA
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 1995年 / 11卷 / 02期
关键词：
VIBRATIONAL SPECTRA; LANTHANIDE IONS; SPHINGOMYELIN BILAYER;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The interaction of trivalent lanthanide ions and divalent calcium ions with sphingomyelin bilayer has been studied by FT-Raman spectroscopy. The results showed that the bonding of metal ions to the phosphate group of sphingomyelin bilayer, either La3+ or Ca2+, did not change the conformation of the choline group, that is, O-C-C-N+ is still in its gauche conformation. The presence of metal ions changed the states of the interfacial region from liquid-like to amorphous state and even to crystalline. They increased the fluidity of acyl chains of sphingomyelin bilayer and made them packed disorderly.
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页码：117 / 121
页数：5
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