Remote control of self-assembled microswimmers
Physics governing the locomotion of microorganisms and other microsystems is dominated by viscous damping. An effective swimming strategy involves the non-reciprocal and periodic deformations of the considered body. Here, we show that a magnetocapillary-driven self-assembly, composed of three soft f...
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creator | Grosjean, Galien Lagubeau, Guillaume Darras, Alexis Hubert, Maxime Lumay, Geoffroy Vandewalle, Nicolas |
description | Physics governing the locomotion of microorganisms and other microsystems is dominated by viscous damping. An effective swimming strategy involves the non-reciprocal and periodic deformations of the considered body. Here, we show that a magnetocapillary-driven self-assembly, composed of three soft ferromagnetic beads, is able to swim along a liquid-air interface when powered by an external magnetic field. More importantly, we demonstrate that trajectories can be fully controlled, opening ways to explore low Reynolds number swimming. This magnetocapillary system spontaneously forms by self-assembly, allowing miniaturization and other possible applications such as cargo transport or solvent flows. |
doi_str_mv | 10.48550/arxiv.1507.00865 |
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subjects | Aerodynamics Beads Deformation effects Ferromagnetism Fluid flow Locomotion Microorganisms Miniaturization Physics - Fluid Dynamics Physics - Soft Condensed Matter Remote control Reynolds number Self-assembly Swimming Trajectory control Viscous damping |
title | Remote control of self-assembled microswimmers |
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