News tagged with oxygen metabolism
Cyborg snail produces electricity
(PhysOrg.com) -- First it was grapes, then cockroaches, and now snails have become the latest organism to generate electricity through an implanted biofuel cell. The process works similarly in all three situations: ...
Mar 15, 2012 |
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Scientists reveal how females store sperm for decades
(PhysOrg.com) -- Scientists have discovered that all sorts of females – from birds to reptiles to insects – have a nifty trick to prolong the lifespan of sperm, letting them store it for weeks, months ...
Jan 26, 2012 |
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Aging-related degeneration caused by defects of energy metabolism in tissue stem cells?
Aging-related tissue degeneration can be caused by mitochondrial dysfunction in tissue stem cells. The research group of Professor Anu Suomalainen Wartiovaara in Helsinki University, with their collaborators in Max Planck ...
Jan 03, 2012 |
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Good housekeeping maintains a healthy liver
Differences in the levels of two key metabolic enzymes may explain why some people are more susceptible to liver damage, according to a study in the October 17 issue of the Journal of Cell Biology.
Oct 17, 2011 |
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Scientists sequence DNA of cancer-resistant rodent
Scientists at the University of Liverpool, in partnership with The Genome Analysis Centre, Norwich, have generated the first whole-genome sequencing data of the naked mole-rat, a rodent that is resistant to cancer and lives ...
Jul 05, 2011 |
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Climate change could turn oxygen-free seas from a blessing to a curse for zooplankton
Zooplankton can use specialised adaptations that allow them to hide from predators in areas of the ocean where oxygen levels are so low almost nothing can survive - but they may run into trouble as these areas ...
Jul 01, 2011 |
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Finding is a feather in the cap for researchers studying birds' big, powerful eyes
Say what you will about bird brains, but our feathered friends sure have us -- and all the other animals on the planet -- beat in the vision department, and that has a bit to do with how their brains develop.
Jun 23, 2011 |
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Scientists discover animal-like urea cycle in tiny diatoms in the ocean
Scientists have discovered that marine diatoms, tiny phytoplankton abundant in the sea, have an animal-like urea cycle, and that this cycle enables the diatoms to efficiently use carbon and nitrogen from their ...
May 11, 2011 |
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Measuring oxidative stress can predict risk of atrial fibrillation
Measuring oxidative stress may help doctors predict the risk of developing atrial fibrillation, the most common heart beat irregularity. Research from Emory University School of Medicine has identified a connection between ...
Medicine & Health / Diseases, Conditions, Syndromes
Apr 04, 2011 |
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Biologists find that red-blooded vertebrates evolved twice, independently
(PhysOrg.com) -- Nature, in all its glory, is nothing if not thrifty.
Jul 27, 2010 |
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Want to slow aging? New research suggests it takes more than antioxidants
Don't put down the red wine and vitamins just yet, but if you're taking antioxidants because you hope to live longer, consider this: a new study published in the June 2010 issue of the journal Genetics casts doubt on the ...
Medicine & Health / Medical research
Jul 06, 2010 |
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Vitamin B3 Controls Important Life Processes by Changing Shape in Response to Oxygen Level
(PhysOrg.com) -- Scientists have obtained the first images of a common molecular signal, vitamin B3, which plays a role in making some bacteria potent and some men impotent.
Jun 07, 2010 |
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Increasing dissolved oxygen concentrations in alcohol may reduce negative side effects
Oxygen for ethanol oxidation is supplied through breathing, the stomach, and the skin. There is a great deal of genetic and environmental variability in the pharmacokinetics of alcohol absorption, distribution, metabolism, ...
Mar 01, 2010 |
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Mother bats expert at saving energy
In order to regulate their body temperature as efficiently as possible, wild female bats switch between two strategies depending on both the ambient temperature and their reproductive status. During pregnancy ...
Feb 10, 2010 |
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New study reveals 'red hot' results
A new weight-loss supplement tested by the University of Oklahoma Health and Exercise Science Department has the potential to burn as many calories as a 20-minute walk, according to Joel T. Cramer, assistant professor of ...
Feb 02, 2010 |
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