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Drift instability in the motion of a fluid droplet with a chemically reactive surface driven by Marangoni flow
Natsuhiko Yoshinaga, Ken H. Nagai, Yutaka Sumino +1
We theoretically derive the amplitude equations for a self-propelled droplet driven by Marangoni flow. As advective flow driven by surface tension gradient is enhanced, the station…
Contraction of cross-linked actomyosin bundles
Natsuhiko Yoshinaga, Philippe Marcq
Cross-linked actomyosin bundles retract when severed in vivo by laser ablation, or when isolated from the cell and micromanipulated in vitro in the presence of ATP. We identify the…
Self-propelled motion of a fluid droplet under chemical reaction
Shunsuke Yabunaka, Takao Ohta, Natsuhiko Yoshinaga
We study self-propelled dynamics of a droplet due to a Marangoni effect and chemical reactions in a binary fluid with a dilute third component of chemical product which affects the…