Hydrodynamics of suspensions of passive and active rigid particles: a rigid multiblob approach
We develop a rigid multiblob method for numerically solving the mobility problem for
suspensions of passive and active rigid particles of complex shape in Stokes flow in …
suspensions of passive and active rigid particles of complex shape in Stokes flow in …
Shape-programmed 3D printed swimming microtori for the transport of passive and active agents
Through billions of years of evolution, microorganisms mastered unique swimming
behaviors to thrive in complex fluid environments. Limitations in nanofabrication have thus …
behaviors to thrive in complex fluid environments. Limitations in nanofabrication have thus …
Clustering-induced self-propulsion of isotropic autophoretic particles
Self-diffusiophoretic particles exploit local concentration gradients of a solute species in
order to self-propel at the micron scale. While an isolated chemically-and geometrically …
order to self-propel at the micron scale. While an isolated chemically-and geometrically …
Geometric tuning of self-propulsion for Janus catalytic particles
S Michelin, E Lauga - Scientific reports, 2017 - nature.com
Catalytic swimmers have attracted much attention as alternatives to biological systems for
examining collective microscopic dynamics and the response to physico-chemical signals …
examining collective microscopic dynamics and the response to physico-chemical signals …
Hydrochemical interactions of phoretic particles: a regularized multipole framework
Chemically active colloids modify the concentration of chemical solutes surrounding them in
order to self-propel. In doing so, they generate long-ranged hydrodynamic flows and …
order to self-propel. In doing so, they generate long-ranged hydrodynamic flows and …
Confined self-propulsion of an isotropic active colloid
F Picella, S Michelin - Journal of Fluid Mechanics, 2022 - cambridge.org
To spontaneously break their intrinsic symmetry and self-propel at the micron scale, isotropic
active colloidal particles and droplets exploit the nonlinear convective transport of chemical …
active colloidal particles and droplets exploit the nonlinear convective transport of chemical …
Modeling chemo-hydrodynamic interactions of phoretic particles: A unified framework
A Varma, S Michelin - Physical Review Fluids, 2019 - APS
Phoretic particles exploit local self-generated physico-chemical gradients to achieve self-
propulsion at the micron scale. The collective dynamics of a large number of such particles …
propulsion at the micron scale. The collective dynamics of a large number of such particles …
Autophoretic motion in three dimensions
Janus particles with the ability to move phoretically in self-generated chemical concentration
gradients are model systems for active matter. Their motion typically consists of straight …
gradients are model systems for active matter. Their motion typically consists of straight …
A scalable method to model large suspensions of colloidal phoretic particles with arbitrary shapes
B Delmotte, FB Usabiaga - arXiv preprint arXiv:2403.05337, 2024 - arxiv.org
Phoretic colloids self-propel thanks to surface flows generated in response to surface
gradients (thermal, electrical, or chemical), that are self-induced and/or generated by other …
gradients (thermal, electrical, or chemical), that are self-induced and/or generated by other …
Slender phoretic theory of chemically active filaments
P Katsamba, S Michelin… - Journal of Fluid …, 2020 - cambridge.org
Artificial microswimmers, or 'microbots', have the potential to revolutionise non-invasive
medicine and microfluidics. Microbots that are powered by self-phoretic mechanisms, such …
medicine and microfluidics. Microbots that are powered by self-phoretic mechanisms, such …