Active colloidal particles at fluid-fluid interfaces

W Fei, Y Gu, KJM Bishop - Current opinion in colloid & interface science, 2017 - Elsevier
This review explores the intersection between two important fields of colloid and interface
science–that of active colloidal particles and of (passive) particles at fluid-fluid interfaces …

Magnetocapillary self-assemblies: Locomotion and micromanipulation along a liquid interface

G Grosjean, M Hubert, N Vandewalle - Advances in colloid and interface …, 2018 - Elsevier
This paper presents an overview and discussion of magnetocapillary self-assemblies. New
results are presented, in particular concerning the possible development of future …

Realization of the Najafi-Golestanian microswimmer

G Grosjean, M Hubert, G Lagubeau, N Vandewalle - Physical Review E, 2016 - APS
A paradigmatic microswimmer is the three-linked-spheres model, which follows a minimalist
approach for propulsion by shape shifting. As such, it has been the subject of numerous …

Interactions and pattern formation in a macroscopic magnetocapillary SALR system of mermaid cereal

A Hooshanginejad, JW Barotta, V Spradlin… - Nature …, 2024 - nature.com
When particles are deposited at a fluid interface they tend to aggregate by capillary
attraction to minimize the overall potential energy of the system. In this work, we embed …

Remote control of self-assembled microswimmers

G Grosjean, G Lagubeau, A Darras, M Hubert… - Scientific reports, 2015 - nature.com
Physics governing the locomotion of microorganisms and other microsystems is dominated
by viscous damping. An effective swimming strategy involves the non-reciprocal and …

Magnetically powered metachronal waves induce locomotion in self-assemblies

Y Collard, G Grosjean, N Vandewalle - Communications Physics, 2020 - nature.com
When tiny soft ferromagnetic particles are placed along a liquid interface and exposed to a
vertical magnetic field, the balance between capillary attraction and magnetic repulsion …

Scallop theorem and swimming at the mesoscale

M Hubert, O Trosman, Y Collard, A Sukhov, J Harting… - Physical review …, 2021 - APS
By comparing theoretical modeling, simulations, and experiments, we show that there exists
a swimming regime at low Reynolds numbers solely driven by the inertia of the swimmer …

Surface swimmers, harnessing the interface to self-propel

G Grosjean, M Hubert, Y Collard, S Pillitteri… - The European Physical …, 2018 - Springer
In the study of microscopic flows, self-propulsion has been particularly topical in recent
years, with the rise of miniature artificial swimmers as a new tool for flow control, low …

Induced capillary dipoles in floating particle assemblies

M Delens, Y Collard, N Vandewalle - Physical Review Fluids, 2023 - APS
Capillary-driven self-assembly is a common fabrication method that consists of placing
floating particles onto a liquid-air interface. The attractive interaction between particles is …

Floating and sinking of a pair of spheres at a liquid–fluid interface

H Cooray, P Cicuta, D Vella - Langmuir, 2017 - ACS Publications
Spheres floating at liquid–fluid interfaces cause interfacial deformations such that their
weight is balanced by the resultant forces of surface tension and hydrostatic pressure while …