牛肺中氧气扩散路径上磷脂双分子层的动态结构
Dynamic structure of phospholipid bilayers on the path for oxygen diffusion in the ox lung.
作者信息
Koyama T, Araiso T
机构信息
Division of Physiology, Hokkaido University, Sapporo, Japan.
出版信息
Adv Exp Med Biol. 1987;215:323-9. doi: 10.1007/978-1-4684-7433-6_37.
PMID:3673732
Abstract
The dynamic properties of the phospholipid bilayer of cell membranes were studied with a nanosecond fluorometer to obtain information on the microstructure of the path for oxygen diffusion in the ox lung. The viscosity in membranes of pneumocytes, endothelial cells from pulmonary artery, and erythrocytes was 47, 54 and 162 mPa . sec respectively. The wobbling angle representing the oscillation of phospholipid molecules was 47, 44 and 38 degrees, respectively.
摘要
使用纳秒荧光计研究了细胞膜磷脂双层的动态特性，以获取有关氧气在牛肺中扩散路径微观结构的信息。肺细胞、肺动脉内皮细胞和红细胞膜中的粘度分别为47、54和162毫帕·秒。代表磷脂分子振荡的摆动角分别为47、44和38度。
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