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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14 papers · 2 filters
Diffusiophoretic migration of colloidal particles in sucrose gradients
Antoine Monier, Brielle Byerley, Julien Renaudeau +3
Diffusiophoresis (DP) refers to the migration of particles driven by a solute concentration gradient in a liquid. Observations in the case of molecular neutral solutes are rather s…
Probing molecular-motor forces driving Chlamydomonas gliding motility by holographic microscopy
Nicolas Fares, Elorri Garcia, Ahmad Badr +5
The unicellular microalga Chlamydomonas reinhardtii is a widely used model microswimmer for biophysicists. However, the interest around C. reinhardtii goes beyond its swimming capa…
Emergent dynamics of active elastic microbeams
Q. Martinet, Y. Li, A. Aubret +2
In equilibrium, the physical properties of matter are set by the interactions between the constituents. In contrast, the energy input of the individual components controls the beha…
Interface crossing behavior of prolate microswimmers: thermo and hydrodynamics
Rishish Mishra, Harish Pothukuchi, Harinadha Gidituri +1
Motivated by recent experiments of motile bacteria crossing liquid-liquid interfaces of isotropic- nematic coexistence (Cheon et al., Soft Matter 20: 7313-7320, 2024), we study the…
Transient osmotic flows in a microfluidic channel: measurements of solute permeability and reflection coefficients of hydrogel membranes
Julien Renaudeau, Pierre Lidon, Jean-Baptiste Salmon
We first highlight theoretically a microfluidic configuration that allows to measure two fundamental parameters describing mass transport through a membrane: the solute permeabilit…
Inertia-driven propulsion of asymmetric spinner-dimers at moderate Reynolds numbers
Zaiyi Shen, Dongfang Fu, Juho Lintuvuori
We investigate the translational motion of rotating colloidal systems at moderate Reynolds numbers (Re), focusing on particle dimers in snowman-like configurations under three scen…
Solving Lyapunov equations for electrically driven ternary electrolytes -- application to long-range van der Waals interactions
Guangle Du, Bing Miao, David S. Dean
Stochastic density functional theory (SDFT) has been widely used to study the out of equilibrium properties of electrolyte solutions. Examples include investigations of electrical…
Contactless measurements of the elastic modulus of living cells using thermal fluctuations of atomic force microscope cantilever
Hao Zhang, Zaicheng Zhang, Etienne Harte +2
We present a contactless method for measuring the elastic modulus of living cells (human triple-negative breast cancer, MDA-MB-231) from the thermal fluctuations of an atomic force…
Unveiling Crystalline Order from Glassy Behavior of Charged Rods at Very Low Salt Concentrations
Hanna Anop, Laura Dal Compare, Frederic Nallet +2
Charged colloids can form ordered structures like Wigner crystals or glasses at very low concentrations due to long-range electrostatic repulsions. Here, we combine small-angle x-r…
Enhanced diffusion over a periodic trap by hydrodynamic coupling to an elastic mode
Juliette Lacherez, Maxime Lavaud, Yacine Amarouchene +2
In many physical systems, degrees of freedom are coupled \emph{via} hydrodynamic forces, even in the absence of Hamiltonian interactions. A particularly important and widespread ex…
Active rheology of soft solids performed with acoustical tweezers
Antoine Penneron, Thomas Brunet, Diego Baresch
Single-beam acoustical tweezers are used to manipulate individual microbubbles and provide quantitative measurements of the local shear modulus of soft hydrogels. The microbubbles…
Repulsive thermal van der Waals interaction in multi-species asymmetric electrolytes driven by external electric fields
Guangle Du, David S. Dean, Bing Miao +1
It is well established that the long-range component of the thermal van der Waals interaction between two semi-infinite dielectrics becomes short-range when an electrolyte is prese…
Self-diffusion in isotropic and liquid crystalline phases of fd virus colloidal rods: a combined single particle tracking and differential dynamic microscopy study
Eric Grelet, Vincent A. Martinez, Jochen Arlt
In this article, we investigate the dynamics of self-organised suspensions formed by rod-like fd virus colloids. Two methods have been employed for analysing fluorescence microscop…
Active particle in a very thin interfacial droplet
Airi N. Kato, Kaili Xie, Benjamin Gorin +2
A single light-driven Janus particle confined in a very thin oil droplet at an air--water interface displays intriguing dynamics. While laser activation induces rapid horizontal mo…