title: Orientation and dynamics of a vesicle in tank-treading motion in shear flow.
abstract: Experimental results on mean inclination angle and its fluctuation due to thermal noise in tank-treading motion of a vesicle in shear flow as a function of vesicle excess area, normalized shear rate, viscosity, and viscosity contrast between inner and outer fluids, , are presented. Good quantitative agreement with theory made for was found. At the dependence is altered significantly. Dependence of the vesicle shape on shear rate is consistent with theory. A tank-treading velocity of the vesicle membrane is found to be a periodic function close to that predicted by theory.
authors.affiliation: Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot, 76100 Israel.
authors.forename: Vasiliy
authors.initials: V
authors.lastname: Kantsler
authors.forename: Victor
authors.initials: V
authors.lastname: Steinberg
mesh_terms: D004548:Elasticity; D008081:Liposomes / Q000032:analysis / Q000737:chemistry*; D008560:Membrane Fluidity; D008956:Models, Chemical; D008958:Models, Molecular; D008968:Molecular Conformation; D009038:Motion; D033081:Shear Strength
chemical_list: D008081:Liposomes