Search Results - "Ybert, C."

Aggregation-fragmentation and individual dynamics of active clusters by Ginot, F., Theurkauff, I., Detcheverry, F., Ybert, C., Cottin-Bizonne, C.

“…A remarkable feature of active matter is the propensity to self-organize. One striking instance of this ability to generate spatial structures is the cluster…”
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Dynamic clustering in active colloidal suspensions with chemical signaling by Theurkauff, I, Cottin-Bizonne, C, Palacci, J, Ybert, C, Bocquet, L

“…In this Letter, we explore experimentally the phase behavior of a dense active suspension of self-propelled colloids. In addition to a solidlike and gaslike…”
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Osmotic flow through fully permeable nanochannels by Lee, C, Cottin-Bizonne, C, Biance, A-L, Joseph, P, Bocquet, L, Ybert, C

“…Osmosis across membranes is intrinsically associated with the concept of semipermeability. Here, however, we demonstrate that osmotic flow can be generated by…”
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Boosting migration of large particles by solute contrasts by Bocquet, L, Abécassis, B, Cottin-Bizonne, C, Ybert, C, Ajdari, A

“…Brownian diffusion is a keystone concept in a large variety of domains, from physics, chemistry to biology. Diffusive transport controls situations as diverse…”
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Probing the nanohydrodynamics at liquid-solid interfaces using thermal motion by Joly, L, Ybert, C, Bocquet, L

“…We report on a new method to characterize nanohydrodynamic properties at the liquid-solid interface relying solely on the measurement of the thermal motion of…”
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Nanoscale Dynamics versus Surface Interactions: What Dictates Osmotic Transport? by Lee, C, Cottin-Bizonne, C, Fulcrand, R, Joly, L, Ybert, C

“…The classical paradigm for osmotic transport has long related the induced-flow direction to the solute membrane interactions, with the low-to-high…”
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Slippage of water past superhydrophobic carbon nanotube forests in microchannels by Joseph, P, Cottin-Bizonne, C, Benoît, J-M, Ybert, C, Journet, C, Tabeling, P, Bocquet, L

“…We present in this Letter an experimental characterization of liquid flow slippage over superhydrophobic surfaces made of carbon nanotube forests, incorporated…”
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Optimal run-and-tumble in slit-like confinement by Pietrangeli, T., Ybert, C., Cottin-Bizonne, C., Detcheverry, F.

“…Run-and-tumble is a basic model of persistent motion and a motility strategy widespread in micro-organisms and individual cells. In many natural settings,…”
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Chaotic mixing in effective compressible flows by Volk, R, Mauger, C, Bourgoin, M, Cottin-Bizonne, C, Ybert, C, Raynal, F

“…We study numerically joint mixing of salt and colloids by chaotic advection and how salt inhomogeneities accelerate or delay colloid mixing by inducing a…”
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Osmotic manipulation of particles for microfluidic applications by Abécassis, B, Cottin-Bizonne, C, Ybert, C, Ajdari, A, Bocquet, L

“…Diffusiophoresis, i.e. the movement of macromolecules along a molecular gradient, is shown to be an efficient means to drive particles in microchannels. By…”
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Contact angle measurements on superhydrophobic carbon nanotube forests: Effect of fluid pressure by Journet, C, Moulinet, S, Ybert, C, Purcell, S. T, Bocquet, L

“…In this paper the effect of pressure on the contact angle of a water drop on superhydrophobic carbon nanotube (CNT) forests is studied. Superhydrophobic CNT…”
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Using surface force apparatus, diffusion and velocimetry to measure slip lengths by Bouzigues, C.I, Bocquet, L, Charlaix, E, Cottin-Bizonne, C, Cross, B, Joly, L, Steinberger, A, Ybert, C, Tabeling, P

“…Determining the slip lengths for liquids flowing close to smooth walls is challenging. The reason lies in the fact that the scales that must be addressed range…”
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Electrically induced flows in the vicinity of a dielectric stripe on a conducting plane by Nadal, F, Argoul, F, Kestener, P, Pouligny, B, Ybert, C, Ajdari, A

“…We report a theoretical and experimental study of the hydrodynamic flow induced by an a.c. electric field in the vicinity of a dielectric stripe deposited on a…”
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Dynamics of Fakir Liquids: from Slip to Splash by Duez, C., Ybert, C., Barentin, C., Cottin-Bizonne, C., Bocquet, L.

“…Superhydrophobic surfaces, associated with the so-called Lotus effect, have attracted numerous studies in the past few years, originally motivated by their…”
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Ascending air bubbles in solutions of surface-active molecules: Influence of desorption kinetics by Ybert, C., di Meglio, J.-M.

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Structural study of the liquid-crystal analog of the vortex liquid phase in type-II superconductors by Ybert, C, Navailles, L, Pansu, B, Rieutord, F, Nguyen, H. T, Barois, P

“…We propose a high-resolution X-ray study of the twisted liquid crystalline phase appearing between the Twist Grain Boundary smectic A phase (TGBA) and the…”
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Ascending air bubbles in protein solutions by YBERT, C, DI MEGLIO, J.-M

“…We report measurements of the ascending velocity of air bubbles in protein (bovine serum al-bumin) solutions. We show that, because of the protein molecules…”
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Shear viscosity of polymer and surfactant monolayers by Barentin, C., Muller, P., Ybert, C., Joanny, J.-F., di Meglio, J.-M.

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Electrically induced microflows probed by Fluorescence Correlation Spectroscopy by YBERT, C, NADAL, F, SALOME, R, ARGOUL, F, BOURDIEU, L

“…We report on the experimental characterisation of electrically induced flows at the micrometer scale through Fluorescence Correlation Spectroscopy (FCS)…”
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Wetting controls separation of inertial flows from solid surfaces by Duez, Cyril, Ybert, Christophe, Clanet, Christophe, Bocquet, Lydéric

“…We investigate the flow of liquids around solid surfaces in the inertial regime, a situation commonly encountered with the so-called "teapot effect", the…”
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