FLUID DROP-LIKE TRANSITION OF ERYTHROCYTES UNDER SHEAR

被引:307
作者
SCHMIDSCHONBEIN, H
WELLS, R
机构
[1] Departments of Medicine, Peter Bent Brigham Hospital, Harvard Medical School, Boston, MA
关键词
D O I
10.1126/science.165.3890.288
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Red cells dispersed in a continuous medium of high viscosity possess the flow properties of fluid drops. The cells at rest are biconcave, while under shear they become progressively deformed into prolate ellipsoids, their long axis aligned parallel to the flow direction. The red cell membrane rotates around the hemoglobin like a tread of a tank. At high rates of shear this mechanism greatly reduces viscosity at all hematocrit values.
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页码:288 / +
页数:1
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