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Theory of Shape-Shifting Droplets
(American Physical SocietyPhysical Review Letters, 2017-02-24)
Recent studies of cooled oil emulsion droplets uncovered transformations into a host of flattened shapes with straight edges and sharp corners, driven by a partial phase transition of the bulk liquid phase. Here, we explore ...
Scattering of biflagellate micro-swimmers from surfaces
(American Physics SocietyPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics, 2017-08-10)
We use a three-bead-spring model to investigate the dynamics of bi-flagellate micro-swimmers near a surface. While the primary dynamics and scattering are governed by geometric-dependent direct contact, the fluid flows ...
Spontaneous oscillations of elastic filaments induced by molecular motors.
(The Royal SocietyJournal of the Royal Society, Interface, 2017-11)
It is known from the wave-like motion of microtubules in motility assays that the piconewton forces that motors produce can be sufficient to bend the filaments. In cellular phenomena such as cytosplasmic streaming, molecular ...