Results 301 to 310 of about 3,593,348 (352)
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Artificial Liver, Membrane Operations

2015
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Antonietta Messina, Loredana De Bartolo
openaire   +2 more sources

Oppositely Charged Ti3C2Tx MXene Membranes with 2D Nanofluidic Channels for Osmotic Energy Harvesting.

Angewandte Chemie, 2020
Membrane-based reverse electrodialysis (RED) is considered as the most promising technique to harvest osmotic energy. However, the traditional membranes are limited by the high internal resistance and low efficiency, resulting in undesirable power ...
Li Ding   +6 more
semanticscholar   +1 more source

Modelling of Acetylcholinesterase immobilized into artificial membrane

2006 International Conference of the IEEE Engineering in Medicine and Biology Society, 2006
A model is developed for the investigation of an enzymatic diffusion-reaction system. The aim is to analyze the dynamic behavior of three different species, the modification of their enzymatic kinetic properties and the existence of complex behaviors resulting of the catalytic activity induced by immobilization of acetylcholinesterase into artificial ...
Rogelio Lozano   +2 more
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The amphiphilic nature of saponins and their effects on artificial and biological membranes and potential consequences for red blood and cancer cells.

Organic and biomolecular chemistry, 2014
Saponins, amphiphiles of natural origin with numerous biological activities, are widely used in the cosmetic and pharmaceutical industry. Some saponins exhibit relatively selective cytotoxic effects on cancer cells but the tendency of saponins to induce ...
J. Lorent   +2 more
semanticscholar   +1 more source

Emergent properties arising from the assembly of amphiphiles. Artificial vesicle membranes as reaction promoters and regulators.

Chemical Communications, 2014
This article deals with artificial vesicles and their membranes as reaction promoters and regulators. Among the various molecular assemblies which can form in an aqueous medium from amphiphilic molecules, vesicle systems are unique.
P. Walde   +3 more
semanticscholar   +1 more source

Artificial membranes for corneal surgery

Journal of Biomedical Materials Research, 1969
AbstractThe most commonly used synthetic polymers in corneal implants are reviewed from the viewpoint of their properties and tissue tolerance. Special attention is given to the properties of these materials in in regard to their application as artificial corneal epithelium and endothelium.
openaire   +3 more sources

Artificial rupture of the membranes

1990
Since the 1970s the management of childbirth has become more medicalised with greater dependency upon technology. Comaroff (1977) described midwives and obstetricians regarding childbirth as a condition similar to illness, suitably treated in terms of medical intervention and control, with pregnant women adopting a passive role.
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Hematopoiesis on Artificial Membranes

1989
The use of artificial membranes to study the hematopoietic microenvironment began with Seki and his colleagues who implanted cellulose membranes intraperitoneally (ip) in mice. After 7 d, the membranes became coated with adherent cells of peritoneal origin.
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Immobilized Artificial Membrane Chromatography

1991
The development of a simple, rapid method to predict drug transport across biological barriers has been a long-standing objective in the pharmaceutical sciences. Typical barriers to drug transport include the membranes in the intestinal tract, lungs, and eye, the blood-brain barrier, and many others.
Dong Mi Rhee   +5 more
openaire   +2 more sources

Artificial models of biological membranes

1960
Although there is much to suggest that biological membranes have a lipoprote in character, their actual composition and structure has not been established beyond question. The electron microscopic image of these membranes is usually a thin, dense line splitting at higher resolution into two ; but this image itself tells us little about the nature of ...
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