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26 papers · 1 filter
Effect of Nanoparticles on the Bulk Shear Viscosity of a Lung Surfactant Fluid
L. P. A. Thai, F. Mousseau, E. K. Oikonomou +2
Inhaled nanoparticles (< 100 nm) reaching the deep lung region first interact with the pulmonary surfactant, a thin lipid film lining the alveolar epithelium. To date, most biophys…
Elongation and stability of a linear dune
O. Rozier, C. Narteau, C. Gadal +2
Compared to barchan dunes, the morphodynamics of linear dunes that elongate on a non-erodible bed is barely investigated by means of laboratory experiments or numerical simulations…
The first digestive movements in the embryo are mediated by mechanosensitive smooth muscle calcium waves
Nicolas Chevalier
Peristalsis enables transport of the food bolus in the gut. Here, I show by dynamic ex-vivo intra-cellular calcium imaging on living embryonic gut transverse sections that the most…
Straight contact lines on a soft, incompressible solid
Laurent Limat
The deformation of a soft substrate by a straight contact line is calculated, and the result applied to a static rivulet between two parallel contact lines. The substrate is suppos…
Periodicity in fields of elongating dunes
Cyril Gadal, Clément Narteau, Sylvain Courrech du Pont +2
Dune fields are commonly associated with periodic patterns that are among the most recognizable landscapes on Earth and other planetary bodies. However, in zones of limited sedimen…
Perspectives on urban theories
Denise Pumain, Juste Raimbault
At the end of the five years of work in our GeoDiverCity program, we brought together a diversity of authors from different disciplines. Each person was invited to present an impor…