نتایج جستجو برای: adhesion force
تعداد نتایج: 267510 فیلتر نتایج به سال:
A recent study shows that the leukocyte adhesion molecules known as selectins form 'catch' bonds, the dissociation rate of which decreases with increasing applied force. The ability of selectins to switch between catch and slip bonds, where dissociation increases with force, can explain the shear threshold effect, in which leukocyte adhesion goes through a maximum with increasing shear rate.
Correspondence: Ivana Pajic-Lijakovic Faculty of Technology and Metallurgy, University of Belgrade, 11000 Belgrade, Serbia Email [email protected] We read an interesting article by Torres-Costa et al recently published in the International Journal of Nanomedicine. The influence of the rheological behavior of extracellular matrix (ECM) to cell adhesion and migration represents an important issue ...
Leukocytes arrested on inflamed endothelium via integrins are subjected to force imparted by flowing blood. How leukocytes respond to this force and resist detachment is poorly understood. Live-cell imaging with Lifeact-transfected U937 cells revealed that force triggers actin polymerization at upstream α4β1 integrin adhesion sites and the adjacent cortical cytoskeleton. Scanning electron micro...
Cyclopentane hydrate interparticle adhesion force measurements were performed in pure cyclopentane liquid using a micromechanical force apparatus. Cyclopentane hydrate adhesion force measurements were compared to those of cyclic ethers, tetrahydrofuran and ethylene oxide, which were suspected to be cyclic ether-lean and thus contain a second ice phase. This additional ice phase led to an over-p...
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