Results 61 to 70 of about 686,862 (199)

Neuronal Plasma Membrane Integrity is Transiently Disturbed by Traumatic Loading

Neuroscience Insights, 2020
The acute response of neurons subjected to traumatic loading involves plasma membrane disruption, yet the mechanical tolerance for membrane compromise, time course, and mechanisms for resealing are not well understood.
Gustavo R Prado, Michelle C LaPlaca
doaj   +1 more source

Membrane Disintegration Caused by the Steroid Saponin Digitonin Is Related to the Presence of Cholesterol

Molecules, 2015
In the present investigation we studied the molecular mechanisms of the monodesmosidic saponin digitonin on natural and artificial membranes. We measured the hemolytic activity of digitonin on red blood cells (RBCs). Also different lipid membrane models (
Ikhwan Resmala Sudji, Yamunadevi Subburaj, Nataliya Frenkel, Ana J. García-Sáez, Michael Wink   +4 more
doaj   +1 more source

A Synthetic Model of the Mucosa for Oral Penetration Studies

Membranes, 2023
The main objective of this study is the evaluation of the use of a synthetic membrane, Nuclepore, as a model for permeation studies through sublingual mucosa.
Cristina Alonso, Meritxell Martí, Anderson Ramos, Ana Cristina Calpena, Beatriz Clares-Naveros, Luisa Coderch   +5 more
doaj   +1 more source

Ageing of polysulfone membranes in contact with bleach solution: Role of radical oxidation and of some dissolved metal ions [PDF]

, 2008
In water production plants using membrane processes, contact with chemicals such as chlorine plays an important role in membrane ageing. This experimental study was aimed at gaining a better understanding of the effect of hypochlorite cleaning solutions ...
Aimar, Pierre, Causserand, Christel, Lafaille, Jean-Pierre, Rouaix, Sandrine   +3 more
core   +1 more source

Adding mechanistic depth to understanding permeability switching transients in a biological membrane and its implications to nerve conduction regulation

Computational and Mathematical Biophysics
We have developed a quadratic control policy describing permeability switching transients in a biological membrane and the mechanisms which govern nerve conduction regulation.
Melendy Robert F., Blue Daniel H.
doaj   +1 more source

Direct observation of defects and increased ion permeability of a membrane induced by structurally disordered Cu/Zn-superoxide dismutase aggregates. [PDF]

PLoS ONE, 2011
Interactions between protein aggregates and a cellular membrane have been strongly implicated in many protein conformational diseases. However, such interactions for the case of Cu/Zn superoxide dismutase (SOD1) protein, which is related to fatal ...
Inhee Choi, Hyeon Don Song, Suseung Lee, Young In Yang, Joo Hyun Nam, Sung Joon Kim, Jung-Joon Sung, Taewook Kang, Jongheop Yi   +8 more
doaj   +1 more source

Design of Multi-Layer Graphene Membrane with Descending Pore Size for 100% Water Desalination by Simulation Using ReaxFF

Membranes, 2022
The performance of a desalination membrane depends on a specific pore size suitable for both water permeability and salt rejection. To increase membrane permeability, the applied pressure should be increased, which creates the need to improve membrane ...
Qusai Ibrahim, Rokhsareh Akbarzadeh, Salem S. Gharbia, Patrick Gathura Ndungu   +3 more
doaj   +1 more source

Instrumentation for Measurement of Gas Permeability of Polymeric Membranes [PDF]

, 1993
A mass spectrometric 'Dynamic Delta' method for the measurement of gas permeability of polymeric membranes has been developed. The method is universally applicable for measurement of the permeability of any gas through polymeric membrane materials.
Brown, Kenneth G., Burns, Karen S., Upchurch, Billy T., Wood, George M.   +3 more
core   +1 more source

Increasing phospholipid biomimicry governs water permeability in droplet interface bilayers

Droplet
Water transport across lipid bilayers is a fundamental biological process, but most model systems fail to capture the molecular complexity of biological cell membranes.
Alejandro Forigua, Katherine S. Elvira
doaj   +1 more source

Volume changes during active shape fluctuations in cells [PDF]

, 2015
Cells modify their volume in response to changes in osmotic pressure but it is usually assumed that other active shape variations do not involve significant volume fluctuations.
Kardash, Elena, La Porta, Caterina A. M., Salman, Oguz Umut, Taloni, Alessandro, Truskinovsky, Lev, Zapperi, Stefano   +5 more
core   +2 more sources