News tagged with physiological process
Is it ripe? Carbon nanotube-based ethylene sensor establishes fruit ripeness
(Phys.org) -- The term ethylene (ethene) generally brings to mind polyethylene plastics, not fruit. However, ethylene is more than just a feedstock for chemical industry, it is also the smallest plant hormone, ...
Chemistry / Analytical Chemistry
May 19, 2012 |
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Bioengineers develop artificial chip for testing how drugs interact with ion channels
(Phys.org) -- Ion channels, proteins embedded in cell membranes, are central to many of the human body's physiological processes, including cardiac activity. For this reason, they are also important targets for cardiac drugs. ...
Apr 10, 2012 |
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Hermetic bags save African crop, but not how experts once thought
The hermetic grain storage bags that cut off oxygen to weevils and have saved West and Central African farmers hundreds of millions of dollars by putting the brakes on the insects' rapid multiplication don't ...
Feb 22, 2012 |
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How exposure to irregular light affects plant circadian rhythms
Scientists know that plants can actually "sense" day length, and "schedule" their growth to coincide with specific environmental conditions. These natural events are based on the circadian clock, a 24-hour ...
Dec 14, 2011 |
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Dolphins' 'remarkable' recovery from injury offers important insights for human healing
A Georgetown University Medical Center (GUMC) scientist who has previously discovered antimicrobial compounds in the skin of frogs and in the dogfish shark has now turned his attention to the remarkable wound healing abilities ...
Jul 21, 2011 |
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What makes a plant a plant?
Although scientists have been able to sequence the genomes of many organisms, they still lack a context for associating the proteins encoded in genes with specific biological processes. To better understand the genetics underlying ...
Jun 15, 2011 |
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New insight into neuronal survival after brain injury
A new study identifies a molecule that is a critical regulator of neuron survival after ischemic brain injury. The research, published by Cell Press in the January 13 issue of the journal Neuron, may lead to new therapies that r ...
Medicine & Health / Neuroscience
Jan 12, 2011 |
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Nano-size biological machinery for manipulating physiological function
Dr. Numano and colleagues have been investigating the dynamics of ion channels and efficiently manipulating them for optical control of neural activity.
Nanotechnology / Bio & Medicine
Oct 26, 2010 |
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Supplement produces a 'striking' endurance boost
Research from the University of Exeter has revealed taking a dietary supplement to boost nitric oxide in the body can significantly boost stamina during high-intensity exercise.
Aug 26, 2010 |
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New perspectives on local calcium signaling
The latest Perspectives in General Physiology series introduces the newest technologies in the field of calcium signaling, which plays a central role in many cellular processes. The Perspectives appear in ...
Medicine & Health / Medical research
Jul 26, 2010 |
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Hijacked supplies for pathogens: Legionnaire's disease bacteria tap into the material transport in immune cells
(PhysOrg.com) -- When it infects the lungs, the Legionnaire’s bacterium Legionella pneumophila causes acute pneumonia. The pathogen’s modus operandi is particularly ingenious: it infiltrates deliberately into ...
Jul 23, 2010 |
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Brain's endocannabinoid signaling pathway kept in check by two enzymes
(PhysOrg.com) -- A research team has shown that blocking the degradation of two naturally occurring cannabinoids in the endocannabinoid signaling pathway of the brain produces marijuana-like behavioral effects in mice, according ...
Medicine & Health / Medical research
Nov 25, 2009 |
4.2 / 5 (5) |
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Model for new generation of blood vessels challenged
In-growth and new generation of blood vessels, which must take place if a wound is to heal or a tumor is to grow, have been thought to occur through a branching and further growth of a vessel against a chemical gradient of ...
Medicine & Health / Medical research
Jun 01, 2009 |
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Scientists show that language shapes perception
(PhysOrg.com) -- Advances in cognitive neuroscience (the science of how the brain works when we think) have shown that what our eyes see and what our brain interprets are two different things. Professor Guillaume Thierry, ...
Medicine & Health / Medical research
Feb 26, 2009 |
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