40.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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11 papers · 2 filters
Controlled Locomotion of a Minimal Soft Structure by Stick-Slip Nonlinearity
Thomas Barois, A. Boucherie, L. Tadrist +1
We present a locomotion mechanism that uses the stick-slip transition of a soft passive structure with an internal mechanical resonance. The structure is harmonically driven by a g…
Pervaporation-driven electrokinetic energy harvesting using poly(dimethylsiloxane) microfluidic chips
Hrishikesh Pingulkar, Cédric Ayela, Jean-Baptiste Salmon
Electrokinetic energy harvesting from evaporation-driven flows in porous materials has recently been the subject of numerous studies, particularly with the development of nanomater…
Elucidating chirality transfer in liquid crystals of viruses
Eric Grelet, Maxime Tortora
Chirality is ubiquitous in nature across all length scales, with major implications spanning the fields of biology, chemistry and physics to materials science. How chirality propag…
Taylor's swimming sheet near a soft boundary
Aditya Jha, Yacine Amarouchene, Thomas Salez
In 1951, G.I. Taylor modeled swimming microorganisms by hypothesizing an infinite sheet in 2D moving in a viscous medium due to a wave passing through it. This simple model not onl…
Blockage of thermocapillary flows by surface-active impurities
Thomas Bickel
Thermocapillary convection is particularly effective for the control of thin liquid film topography or for the actuation of microparticles at the liquid-air interface. Experiments…
Quantitative measurements of non-equilibrium interactions of catalytic microswimmers with dual colloidal tracers
Celso Carrasco, Quentin Martinet, Zaiyi Shen +3
Catalytic microswimmers convert the chemical energy of a fuel into motion, sustaining spatial chemical gradients and fluid flows that drive their propulsion. This leads to unconven…
Capillary lubrication of a spherical particle near a fluid interface
Aditya Jha, Yacine Amarouchene, Thomas Salez
The lubricated motion of an object near a deformable boundary presents striking subtleties arising from the coupling between the elasticity of the boundary and lubricated flow, inc…
Direct measurement of the viscocapillary lift force near a liquid interface
Hao Zhang, Zaicheng Zhang, Aditya Jha +5
Lift force of viscous origin is widespread across disciplines, from mechanics to biology. Here, we present the first direct measurement of the lift force acting on a particle movin…
Capillary-lubrication force between rotating cylinders separated by a fluid interface
Aditya Jha, Yacine Amarouchene, Thomas Salez
Two cylinders rotating next to each other generate a large hydrodynamic force if the intermediate space is filled with a viscous fluid. Herein, we explore the case where the cylind…
Active microrheology of fluids with orientational order
J. S. Lintuvuori, A. Würger
We study the dynamics of a driven spherical colloidal particle moving in a fluid with a broken rotational symmetry. Using a nematic liquid crystal as a model, we demonstrate that w…
Microswimmers knead nematics into cholesterics
Bhavesh Gautam, Juho Lintuvuori
The hydrodynamic stresses created by active particles can destabilise orientational order present in the system. This is manifested, for example, by the appearance of a bend instab…