ELASTICITY AND FLOW PROPERTIES OF ACTIN GELS

被引：8
|
作者：
HVIDT, S
JANMEY, PA
机构：
[1] ROSKILDE UNIV CTR,DK-4000 ROSKILDE,DENMARK
[2] RISO NATL LAB,DEPT CHEM,DK-4000 ROSKILDE,DENMARK
[3] MASSACHUSETTS GEN HOSP,HEMATOL ONCOL UNIT,BOSTON,MA 02114
[4] HARVARD UNIV,SCH MED,BOSTON,MA 02114
来源：
MAKROMOLEKULARE CHEMIE-MACROMOLECULAR SYMPOSIA | 1990年 / 39卷
关键词：
D O I：
10.1002/masy.19900390119
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Actin gels formed by polymerizing monomeric actin have been studied by use of small amplitude oscillatory deformations and steady shear flow. The length of actin filaments within the gel was varied by copolymerization in the presence of the filament-capping protein gelsolin. The results for short filaments are in qualitative agreement with a model for semi-dilute solutions of inter-penetrating rods. Long filaments give rise to additional motions, believed to be flexing of rods. Steady shear viscosities, at high shear rates, are independent of initial filament length. Results are explained as due to breaking of filaments in shear flows.
引用
收藏
页码：209 / 213
页数：5
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