Journal ArticleDOI
Thermodynamic analysis of the permeability of biological membranes to non-electrolytes
Ora Kedem,Aharon Katchalsky +1 more
Reads0
Chats0
TLDR
The equations derived here have been applied to various permeability measurements found in the literature, such as the penetration of heavy water into animal cells, permeability of blood vessels, threshold concentration of plasmolysis and relaxation experiments with artificial membranes.About:
This article is published in Biochimica et Biophysica Acta.The article was published on 1958-01-01. It has received 1960 citations till now. The article focuses on the topics: Membrane & Permeability (earth sciences).read more
Citations
More filters
Journal ArticleDOI
Network modeling for studying the effect of support structure on internal concentration polarization during forward osmosis: Model development and theoretical analysis with FEM
TL;DR: In this paper, the effect of the porous support structure on the internal concentration polarization with more degrees of freedom is investigated, and an analytical solution based on the effective network is obtained, and the involved dimensionless groups have physical meanings indicating the relative importance of the transport mechanisms.
Journal ArticleDOI
Saccharomyces cerevisiae viability is strongly dependant on rehydration kinetics and the temperature of dried cells
TL;DR: The effects of rehydration kinetics and temperature on the viability of Saccharomyces cerevisiae dehydrated by drying were studied and one hypothesis, which relates cell mortality after rapid re hydration to water flow through the membrane in phase transition, is the more plausible and requires further investigation.
Journal ArticleDOI
Endothelial barrier function
TL;DR: Increased endothelial permeability to solutes and water in inflammatory states is dependent on the shape and configuration of endothelial cells as determined by alterations in cytoskeletal elements, such as f-actin, and as regulated by intracellular second messengers such as free cytosolic calcium.
Journal ArticleDOI
Simultaneous measurements of capillary diffusion and filtration exchange during shifts in filtration-absorption and at graded alterations in the capillary permeability surface area product (PS)
TL;DR: Histamine increased CFC some threefold with a marked increase in protein transfer, while PS for Cr-EDTA increased only marginally, which could be ascribed mainly to an increase in the number of large pores which, because of their relative paucity, are of little importance for small molecular diffusion exchange but highly important for convective and macromolecular exchange.
Book ChapterDOI
Aroma Recovery and Retention in Concentration and Drying of Foods
TL;DR: In this article, the authors reviewed the research work that examines the behavior of food aroma when water is removed by the various techniques used in food processing and discussed the economics of concentration and drying processes.
References
More filters
Journal ArticleDOI
Filtration, diffusion and molecular sieving through peripheral capillary membranes; a contribution to the pore theory of capillary permeability.
TL;DR: Theoretical and experimental studies on the sieving of molecules by ultrafiltration through porous membranes indicate that an effective pore diameter of at least IOO A would be required to explain permeability of this magnitude.
Journal ArticleDOI
Passage of Molecules Through Capillary Walls
TL;DR: A wealth of evidence supports the view that the exchange of materials through the walls of living capillaries takes place by physical processes which involve no expenditure of energy on the part of the capillary endothelial cells themselves.
Related Papers (5)
Thermodynamics of hyperfiltration (reverse osmosis): criteria for efficient membranes
K.S. Spiegler,Ora Kedem +1 more