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15 papers · 1 filter
An elasto-visco-plastic model for immortal foams or emulsions
Sylvain Bénito, Charles-Henri Bruneau, Thierry Colin +2
A variety of complex fluids consist in soft, round objects (foams, emulsions, assemblies of copolymer micelles or of multilamellar vesicles -- also known as onions). Their dense pa…
Dissecting Subsecond Cadherin Bound States Reveals an Efficient Way for Cells to Achieve Ultrafast Probing of their Environment
Anne Pierres, Anil Prakasam, Dominique Touchard +3
Cells continuously probe their environment with membrane receptors, achieving subsecond adaptation of their behaviour [1-3]. Recently, several receptors, including cadherins, were…
A fractal approach to the rheology of concentrated cell suspensions
Andreea Iordan, Alain Duperray, Claude Verdier
Results on the rheological behavior of novel CHO cell suspensions in a large range of concentrations are reported. The concentration dependent yield stress and elastic plateau modu…
Nucleosome Chiral Transition under Positive Torsional Stress in Single Chromatin Fibers
Aurelien Bancaud, Gaudeline Wagner, Natalia Conde e Silva +10
Using magnetic tweezers to investigate the mechanical response of single chromatin fibers, we show that fibers submitted to large positive torsion transiently trap positive turns,…
Increased peripheral lipid clearance in an animal model of amyotrophic lateral sclerosis
A. Fergani, H. Oudart, J. -L. Gonzalez De Aguilar +6
Amyotrophic lateral sclerosis (ALS) is the most common adult motor neuron disease, causing motor neuron degeneration, muscle atrophy, paralysis, and death. Despite this degenerativ…
Silver staining of proteins in polyacrylamide gels
Mireille Chevallet, Sylvie Luche, Thierry Rabilloud
Silver staining is used to detect proteins after electrophoretic separation on polyacrylamide gels. It combines excellent sensitivity (in the low nanogram range) with the use of ve…