Results 301 to 310 of about 1,624,308 (352)
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Aquaporin water channels in mammals
Clinical and Experimental Nephrology, 2009Water channels, aquaporins (AQPs), are a family of small integral plasma membrane proteins that primarily transport water across the plasma membrane. There are 13 members (AQP0-12) in humans. This number is final as the human genome project has been completed.
Kenichi, Ishibashi +2 more
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1986
Publisher Summary Water channel is arbitrary in a cell membrane because most channels that transport ions and polar solutes probably also transport some water. Water channel are those pathways that (1) make a substantial contribution to the net water permeability and (2) whose osmotic water permeability, P f , is greater than its diffusional ...
Robert I. Macey, Teresa Moura
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Publisher Summary Water channel is arbitrary in a cell membrane because most channels that transport ions and polar solutes probably also transport some water. Water channel are those pathways that (1) make a substantial contribution to the net water permeability and (2) whose osmotic water permeability, P f , is greater than its diffusional ...
Robert I. Macey, Teresa Moura
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WATER CHANNELS AND UREA TRANSPORTERS
Clinical and Experimental Pharmacology and Physiology, 1997SUMMARY1. It now appears that when water crosses an endothelium which is not fenestrated, or an epithelium with tight junctions, it does so rapidly, and with low energy cost, only if the cell membrane contains an adequate number of specific water channels, encoded by one of at least six different genes.2.
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Biomphalaria species in Alexandria water channels
Parasitology International, 2011Of the several species of Biomphalaria snails worldwide that serve as the intermediate host for Schistosoma mansoni, Biomphalaria alexandrina is a species that is indigenous to Egypt. Recently, there has been much debate concerning the presence of Biomphalaria glabrata and the hybrid of the species with Biomphalaria alexandrina. Due to this debate, the
Iman F, Abou-El-Naga +4 more
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Biophysical properties of epithelial water channels
Biophysical Chemistry, 1997The biophysical models describing the structure of water pores or channels have evolved, during the last forty years, from a pure 'black box' approach to a molecular based proposal. The initial 'sieving pore' in which water and other molecules were moving together was replaced by a more restrictive model, where water is moving alone in a 'single file ...
M, Parisi +5 more
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Single Molecule Channels Water
Chemical & Engineering News Archive, 2012Chinese researchers have made the first nanoscale artificial water channels that selectively transport water across lipid membranes. Such a system could be used for applications such as water purification and desalination. Jun-Li Hou and coworkers at Fudan University, in Shanghai, constructed the channels from single pillar[5]arene molecules with ...
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Physics Education, 1976
Describes a simple water channel for use with an overhead projector. The channel is run from a water tap and may be used for flow visualisation experiments including the effect of streamlining and elementary building aerodynamics. Cost and ease of construction make it ideal for schools.
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Describes a simple water channel for use with an overhead projector. The channel is run from a water tap and may be used for flow visualisation experiments including the effect of streamlining and elementary building aerodynamics. Cost and ease of construction make it ideal for schools.
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Membrane Water Channels and SH-Groups
1977The transport of water across human red cell membranes is conmonly interpreted in terms of small aqueous channels. This interpretation is based largely on indirect evidence. In this report, two sets of experiments providing more direct evidence for this idea is presented.
R I, Sha'afi, M B, Feinstein
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Artificial water channels – incipient innovative developments
Chemical Communications, 2016This Feature Article discusses the incipient developments of the first artificial water channels, including only systems that integrate synthetic elements in their water selective translocation unit.
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Nihon rinsho. Japanese journal of clinical medicine, 1997
MIP family proteins with conserved 6 transmembrane domains can be divided into two groups according to their primary sequences. The CHIP group with deletions is predominant in plant and animal kingdom, and functions primarily as water channels. The GLP group without deletions is minor group with limited prevalence and functions as glycerol transporters.
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MIP family proteins with conserved 6 transmembrane domains can be divided into two groups according to their primary sequences. The CHIP group with deletions is predominant in plant and animal kingdom, and functions primarily as water channels. The GLP group without deletions is minor group with limited prevalence and functions as glycerol transporters.
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