Journal ArticleDOI
Thermodynamic analysis of the permeability of biological membranes to non-electrolytes
Ora Kedem,Aharon Katchalsky +1 more
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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
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Multiscale Model of Liver DCE-MRI Towards a Better Understanding of Tumor Complexity
TL;DR: A multiscale model of liver dynamic contrast-enhanced (DCE) MRI is proposed in order to better understand the tumor complexity in images and a distributed model of parenchymal biodistribution of extracellular contrast agents is proposed.
Journal ArticleDOI
Solution-diffusion with defects model for pressure-assisted forward osmosis
TL;DR: In this article, an osmosis transport model is presented that combines the standard internal and external concentration polarization equations in the forward Osmosis field with the selective layer transport equations first proposed by Sherwood in 1967.
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Computational Modeling of LDL and Albumin Transport in an In Vivo CT Image-Based Human Right Coronary Artery
TL;DR: A fluid-wall single-layered model incorporated with shear-dependent transport parameters was used to investigate albumin and low-density lipoprotein (LDL) transport in an in vivo computed tomographic image-based human right coronary artery (RCA) and found that steady flow simulation could overestimate the magnitude and underestimate the area of accumulations.
Journal ArticleDOI
Quantitative analysis of the probability of intracellular ice formation during freezing of isolated protoplasts.
R. E. Pitt,Peter L. Steponkus +1 more
TL;DR: The rise in median IIF temperature with higher cooling rates was correctly predicted by the model when the supercooling tolerance was also assumed to be random and the breadth of the transition range of cooling rates could mostly be attributed to random variability in the underlying potential IIFTemperature.
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Continuum Modeling of Biological Tissue Growth by Cell Division, and Alteration of Intracellular Osmolytes and Extracellular Fixed Charge Density
TL;DR: A framework is formulated within the theory of mixtures for continuum modeling of biological tissue growth that explicitly addresses cell division, using a homogenized representation of cells and their extracellular matrix (ECM).
References
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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.
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Thermodynamics of hyperfiltration (reverse osmosis): criteria for efficient membranes
K.S. Spiegler,Ora Kedem +1 more