Concept
Loi de l'osmométrie
Publications associées (47)
Osmosis-driven stiffening of structured hydrogels
Esther Amstad, Ran Zhao, Alexandra Thoma
Plant cells harness osmotic pressures to stiffen their leaves through strong turgor pressures. Key to this osmosisdriven stiffening is the confinement of liquids within semipermeable membranes that can regulate the transport of water molecules and ions. In ...
Elsevier2024In situ quantification of osmotic pressure within living embryonic tissues
Sangwoo Kim, Antoine Claude Jean Vian
Mechanics is known to play a fundamental role in many cellular and developmental processes. Beyond active forces and material properties, osmotic pressure is believed to control essential cell and tissue characteristics. However, it remains very challengin ...
2023Selectively permeable microcapsules
Microcapsules are appealing containers for delivering active ingredients, such as drugs and cosmetics, or conducting chemical and biological reactions on a small scale. To control the timing and location of release of these encapsulants, the shells of micr ...
EPFL2023Homogenization theory captures macroscopic flow discontinuities across Janus membranes
François Gallaire, Pier Giuseppe Ledda, Giuseppe Antonio Zampogna, Kevin Wittkowski
Janus membranes, thin permeable structures with chemical and geometrical asymmetric properties, show great potential in industrial separation processes. Yet the link between the micro- and macro-scale behaviours of these membranes needs to be established r ...
CAMBRIDGE UNIV PRESS2023Salt-mediated inactivation of influenza A virus in 1- μl droplets exhibits exponential dependence on NaCl molality
Athanasios Nenes, Tamar Kohn, Kalliopi Violaki, Ghislain Gilles Jean-Michel Motos, Aline Laetitia Schaub, Shannon Christa David, Walter Hugentobler, Céline Terrettaz, Laura Costa, Laura José Costa Henriques
Influenza A virus (IAV) spreads through airborne particles ranging from sub-micrometer to millimeter-sized droplets. The stability of airborne IAV remains difficult to estimate and depends, among others, on the respiratory matrix composition and the size-d ...
2023Transport across thin membranes: Effective solute flux jump
François Gallaire, Pier Giuseppe Ledda, Giuseppe Antonio Zampogna
A model to describe the transport across membranes of chemical species dissolved in an incompressible flow is developed via homogenization. The asymptotic matching between the microscopic and macroscopic solute concentration fields leads to a solute flux j ...
AIP Publishing2022Quantitative electronic structure and work-function changes of liquid water induced by solute
Recent advancement in quantitative liquid-jet photoelectron spectroscopy enables the accurate determination of the absolute-scale electronic energetics of liquids and species in solution. The major objective of the present work is the determination of the ...
ROYAL SOC CHEMISTRY2021Aerodynamic study of a Hyperloop pod equipped with compressor to overcome the Kantrowitz limit
This paper describes an investigation of the aerodynamic performance of a Hyperloop pod equipped with an axial compressor using CFD simulation. The compressor is expected to reduce the drag if the operational speed of the pod exceeds the Kantrowitz Limit ( ...
2021Analysis of double cross-slip of pyramidal I < c plus a > screw dislocations and implications for ductility in Mg alloys
William Curtin, Zhaoxuan Wu, Rasool Ahmad
Solute accelerated cross-slip of pyramidal < c + a > screw dislocations has recently been recognized as a crucial mechanism in enhancing the ductility of solid-solution Mg alloys. In pure Mg, cross-slip is ineffective owing to the energy difference between ...
PERGAMON-ELSEVIER SCIENCE LTD2020Density effects on solute release from the streambed
Contaminants can be released to the stream from the bed by previous pollution events. The releasing contaminants may cause secondary pollution for a river, which impacts the river’s eco-environmental condition. By means of laboratory experiments and numeri ...
2020