News tagged with ion pump
Study specifies chemical pathway for ions through the cell membrane
Oct 14, 2008 |
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(PhysOrg.com) -- Life ultimately depends on the traffic of tiny charged particles through porous proteins studding the membrane surrounding every cell. In research published in Nature, scientists at The Rockefeller University ...
Search results for ion pump
Researchers decipher the shape of the sodium/potassium ion pump
Oct 25, 2006 |
4.3 / 5 (21) |
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Proteins studding the surface of cell membranes are vital to the cell, transmitting signals and maintaining equilibrium by moving charged molecules — ions — from one side to the other. Some of these proteins ...
Old method of heart bypass better than 'off-pump'
Nov 04, 2009 |
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(AP) -- It seemed like a great idea - doing bypass surgery while the heart is still beating, sparing patients the complications that can come from going on a heart-lung machine. Now the first big test of this method has ...
Hydrogen-Powered Ion Tiger Sets 26-hour Flight Endurance Record
Nov 30, 2009 |
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 26 hours and 1 minute carrying a 5-pound payload, setting another unofficial flight endurance record ...
Panasonic Starts Mass-Production of High-Capacity 3.1 Ah Lithium-ion Battery
Dec 18, 2009 |
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Panasonic Corporation developed a 18650-type high-capacity 3.1 Ah lithium-ion battery and began mass production of the battery this December. The new 3.1 Ah battery has a nickel positive electrode and an energy density of ...
Nervy research: Researchers take initial look at ion channels in a model system
Dec 02, 2009 |
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Before one of your muscles can twitch, before the thought telling it to flex can race down your nerve, a tiny floodgate of sorts -- called an ion channel -- must open in the surface of each cell in these organs ...
Cholera pathogen reveals how bacteria generate energy to live
Biology /
Jan 29, 2007 |
4.2 / 5 (5) |
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Researchers at Rensselaer Polytechnic Institute have discovered new details about how bacteria generate energy to live. In two recently published papers, the scientists add key specifics to the molecular mechanism behind ...
Ion Tiger fuel cell unmanned air vehicle completes 23-hour flight
Oct 13, 2009 |
4 / 5 (7) |
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 23 hours and 17 minutes, setting an unofficial flight endurance record for a fuel-cell powered ...
Models of Eel Cells Suggest Electrifying Possibilities
Nanotechnology / Bio & Medicine
Oct 02, 2008 |
4.7 / 5 (39) |
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(PhysOrg.com) -- Engineers long have known that great ideas can be lifted from Mother Nature, but a new paper by researchers at Yale University and the National Institute of Standards and Technology takes ...
Long-term treatment with proton pump inhibitor can increase weight
Oct 23, 2009 |
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Gastroesophageal reflux disease (GERD) is the most common esophageal disorder, and frequently encountered in the primary care setting. Accumulating evidence has confirmed the excellent efficacy and safety of proton pump inhibitor ...
Scientists get up close to bacteria's toxic pumps
Nov 30, 2009 |
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Scientists are building a clearer image of the machinery employed by bacteria to spread antibiotic resistance or cause diseases such as whooping cough, peptic stomach ulcers and legionnaires' disease.
List of search results for ion pump
