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16 papers · 2 filters
Local Oscillatory Rheology from Echography
Brice Saint-Michel, Thomas Gibaud, Mathieu Leocmach +1
Local Oscillatory Rheology from Echography (LORE) consists in a traditional rheology experiment synchronized with high-frequency ultrasonic imaging which gives access to the local…
High-throughput and long-term observation of compartmentalized biochemical oscillators
Koshi Hasatani, Mathieu Leocmach, Anthony J. Genot +3
We report the splitting of an oscillating DNA circuit into droplets with picoliter volumes. Upon incubation at constant temperature, the droplets display sustained oscil…
Differential Dynamic Microscopy to characterize Brownian motion and bacteria motility
David Germain, Mathieu Leocmach, Thomas Gibaud
We have developed a lab work module where we teach undergraduate students how to quantify the dynamics of a suspension of microscopic particles, measuring and analyzing the motion…
Multiscale Stick-Slip Dynamics of Adhesive Tape Peeling
Marie-Julie Dalbe, Pierre-Philippe Cortet, Matteo Ciccotti +2
Using a high-speed camera, we follow the propagation of the detachment front during the peeling of an adhesive tape from a flat surface. In a given range of peeling velocity, this…
Multiple yielding processes in a colloidal gel under large amplitude oscillatory stress
Thomas Gibaud, Christophe Perge, Stefan B. Lindstrom +2
Fatigue refers to the changes in material properties caused by repeatedly applied loads. It has been widely studied for, e.g., construction materials, but much less has been done o…
Wall slip across the jamming transition of soft thermoresponsive particles
Thibaut Divoux, Véronique Lapeyre, Valérie Ravaine +1
Flows of suspensions are often affected by wall slip, that is the fluid velocity in the vicinity of a boundary differs from the wall velocity due to the presence of…