Adhesion-induced vesicle propulsion

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Abstract
We study theoretically vesicle locomotion. We show how adhesion may lead to vesicle propulsion. The problem is fully solved numerically and an analytical solution is obtained in a perturbative scheme. The analytical result reproduces the numerical one. We provide an expression for the drift velocity as a function of relevant parameters. We discuss how a vesicle or a cell could establish itself this motion from physico-chemical concepts, while its environment could be initially homogeneous. We suggest experimental protocols.