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Flexive and Propulsive Dynamics of Elastica at Low Reynolds Numbers
Chris H. Wiggins, Raymond E. Goldstein
A stiff one-armed swimmer in glycerine goes nowhere, but if its arm is elastic, exerting a restorative torque proportional to local curvature, the swimmer can go on its way. Consid…
Elastohydrodynamic study of actin filaments using fluorescence microscopy
D. Riveline, Chris H. Wiggins, A. Ott +1
We probed the bending of actin subject to external forcing and viscous drag. Single actin filaments were moved perpendicular to their long axis in an oscillatory way by means of an…
Trapping and Wiggling: Elastohydrodynamics of Driven Microfilaments
Chris H. Wiggins, Daniel X. Riveline, Albrecht Ott +1
We present a general theoretical analysis of semiflexible filaments subject to viscous drag or point forcing. These are the relevant forces in dynamic experiments designed to measu…