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Propulsion of a chiral swimmer in viscoelastic fluids
Takuya Kobayashi, John J. Molina, Ryoichi Yamamoto
Microswimmers often use chirality to generate translational movement from rotation motion, exhibiting distinct behaviors in complex fluids compared to simple Newtonian fluids. Howe…
Dynamics of microswimmers near a liquid-liquid interface with viscosity difference
Chao Feng, John J. Molina, Matthew S. Turner +1
Transport of material across liquid interfaces is ubiquitous for living cells and is also a crucial step in drug delivery and in many industrial processes. The fluids that are pres…
Dynamics of microswimmers near a soft penetrable interface
Chao Feng, John J. Molina, Matthew S. Turner +1
Few simulations exist for microswimmers near deformable interfaces. Here, we present numerical simulations of the hydrodynamic flows associated with a single microswimmer embedded…
Collective Motion of Quincke Rollers with Fully Resolved Hydrodynamics
Shun Imamura, Kohei Sawaki, John J. Molina +2
A Quincke roller is a unique active particle that can run and tumble freely on a flat plate due to the torque generated by a uniform DC electric field applied perpendicular to the…
Mechanochemical subcellular-element model of crawling cells
Mitsusuke Tarama, Kenji Mori, Ryoichi Yamamoto
Constructing physical models of living cells and tissues is an extremely challenging task because of the high complexities of both intra- and intercellular processes. In addition,…
Mechanics of cell crawling by means of force-free cyclic motion
Mitsusuke Tarama, Ryoichi Yamamoto
The mechanics of crawling cells on a substrate is investigated by using a minimal model that satisfies the force-free condition. A cell is described by two subcellular elements con…