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
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From Chemical Gardens to Chemobrionics
Laura M. Barge,Silvana S. S. Cardoso,Julyan H. E. Cartwright,Geoffrey J. T. Cooper,Leroy Cronin,Anne De Wit,Ivria J. Doloboff,Bruno Escribano,Raymond E. Goldstein,Florence Haudin,David E. H. Jones,Alan L. Mackay,Jerzy Maselko,Jason J. Pagano,James T. Pantaleone,Michael J. Russell,C. Ignacio Sainz-Díaz,Oliver Steinbock,David Stone,Yoshifumi Tanimoto,Noreen L. Thomas +20 more
TL;DR: Chemical gardens in laboratory chemistries ranging from silicates to polyoxometalates, in applications ranging from corrosion products to the hydration of Portland cement, and in natural settings ranging from hydrothermal vents in the ocean depths to brinicles beneath sea ice.
Journal ArticleDOI
Modeling of low-density lipoprotein (LDL) transport in the artery—effects of hypertension
Ning Yang,Kambiz Vafai +1 more
TL;DR: In this article, a robust four-layer model is presented to describe the LDL transport in the arterial wall coupled with the transport in lumen, where the endothelium, intima, internal elastic lamina and media are all treated as macroscopically homogeneous porous media and the volume-averaged porous media equations are employed to model various layers, with Staverman filtration and osmotic reflection coefficients introduced to account for selective permeability of each porous layer to certain solutes.
Journal ArticleDOI
Multi-objective optimization of RO desalination plants
TL;DR: In this article, a process optimization method for the design of reverse osmosis (RO) processes is developed for a brackish water reverse oslosis (BWRO) desalination project, for which the optimal design is characterized depending on the economical conditions.
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Fundamentals of cryobiology in reproductive medicine
Barry Fuller,S.J. Paynter +1 more
TL;DR: The concept of tolerable osmotic excursion of cell volume will be discussed, along with the evidence for a 'pseudo-glassy' state for cells during traditional cryopreservation, and issues of safety and stability ofcryopreserved samples will be set out.
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Mathematical and numerical models for transfer of low-density lipoproteins through the arterial walls: a new methodology for the model set up with applications to the study of disturbed lumenal flow.
TL;DR: This work introduces and discusses several mathematical models, based on partial differential equations, devised to study the coupled transport of macromolecules as low-density lipoproteins in the blood stream and in the arterial walls, and proposes a new methodology to compute the physical parameters needed for the model set up.
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
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