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Researchers Create Model of Cancer-Preventing Enzyme, Study How It Works
Proline dehydrogenase is important because it plays a role in apoptosis, the process of cell death, by enabling the creation of superoxide, a highly reactive electron-rich oxygen species. view more (2007-05-14)
Low oxygen and molybdenum in ancient oceans delayed evolution of life by 2 billion years
A deficiency of oxygen and the heavy metal molybdenum in the ancient deep ocean may have delayed the evolution of animal life on Earth by nearly two billion years, a study led by UC Riverside biogeochemists has found. view more (2008-03-27)
How fish species suffer as a result of warmer waters
Ongoing global climate change causes changes in the species composition of marine ecosystems, especially in shallow coastal oceans. view more (2007-01-05)
Coffee: a cause of neonatal seizures?
Epidemiological observations raised the possibility that coffee was deleterious for newborn babies. For the last ten years the American Food and Drug Administration (FDA) has therefore recommended that pregnant women limit their consumption of coffee. view more (1999-06-16)
Seals protect brain, conserve oxygen by turning off shivering response on icy dives
Seals shiver when exposed to cold air but not when diving in chilly water, a finding that researchers believe allows the diving seal to conserve oxygen and minimize brain damage that could result from long dives. view more (2006-10-10)
A type of antioxidant may not be as safe as once thought
Certain preparations taken to enhance athletic performance or stave off disease contain an anti-oxidant that could cause harm. view more (2007-09-05)
Power from hydrogen moves a step closer
An invention being developed jointly by the Low Temperature Engineering Group at the University of Southampton and BOC Edwards could help turn the dream of hydrogen technology into reality. In future, electricity, and in some applications useful heat, could be generated in a fuel cell through the combination of hydrogen and oxygen, with water... view more... (2003-10-14)
Stem cell infusion and hyperbaric oxygen treatment improve islet function in diabetes
A study to determine if patients with type 2 diabetes can benefit from a combination of autologous (patient self-donated) stem cell infusions (ASC) and hyperbaric (above the normal air pressure of ) oxygen treatment (HBO) before and after ASC has found "significant benefits" in terms of "improvements in glycemic control" along... view more... (2009-03-13)
Can fruit flies help treat stroke and transplant patients?
Reperfusion injury takes place when an animal or an organ is starved of oxygen, then exposed to oxygen again. This occurs in strokes and organ transplants and causes many deaths per year. view more (2007-12-05)
Severe heart attack damage limited by hydrogen sulfide
Administering hydrogen sulfide (H2S) directly into the heart during a simulated heart attack significantly reduces the tissue and cell damage often seen in oxygen-starved organs, according to a new study from researchers at the University of Alabama at Birmingham. view more (2007-09-20)
Water acts as catalyst in explosives
The most abundant material on Earth exhibits some unusual chemical properties when placed under extreme conditions. view more (2009-03-23)
Childhood obesity leads to higher rate of problems during surgery
Add this to the growing list of health challenges faced by obese children: A new study from the University of Michigan Health System finds that obese children are much more likely than normal-weight children to have problems with airway obstruction and other breathing-related functions during surgery. view more (2008-02-25)
Oxygen ions for fuel cells get loose at low(er) temperatures
Seeking to understand a new fuel cell material, a research team working at the National Institute of Standards and Technology (NIST), in collaboration with the University of Liverpool, has uncovered a novel structure that moves oxygen ions through the cell at substantially lower temperatures than previously thought possible. view more (2008-06-30)
Sleeping with the enemy
It has been linked to learning impairment, stroke and premature death. Now UNSW research has found that snoring associated with sleep apnoea may impair brain function more than previously thought. view more (2009-06-03)
Exploring how the body adapts to exercise at altitude-hypoxia affects muscle and nerve responses
Exercise requires the integrated activity of every organ and tissue in the body, and understanding how these respond to the decreased oxygen levels present at moderate to high altitude is the focus of the current special issue of High Altitude Medicine & Biology, a peer-reviewed journal published by Mary Ann Liebert, Inc. view more (2009-06-30)
Cell death following blood 'reflow' injury tracked to natural toxin
Researchers at Johns Hopkins have discovered what they believe is the "smoking gun" responsible for most tissue and organ damage after a period of blood oxygen loss followed by a sudden restoration of blood oxygen flow. view more (2006-11-30)
Oxygen Is The New Water! Personal Oxygen Suppliers Will Take Over From Bottled Mineral Water
In ten years time instead of bottles of water we could all be walking around carrying personal supplies of oxygen for a quick energy boost according to a student at Nottingham Trent University. Recent Furniture and Product Design graduate Lisa Clarke came up with the ingenious idea whilst working towards her final degree project. She believes that... view more... (2002-07-08)
Monash team learns from nature to split water
An international team of researchers led by Monash University has used chemicals found in plants to replicate a key process in photosynthesis paving the way to a new approach that uses sunlight to split water into hydrogen and oxygen. view more (2008-08-18)
Light-protection for food packaging
Oxygen and light can alter the taste of foodstuffs. Manufacturers of packaging materials therefore try to protect contents from their influence. The latest approach is to use natural dyes in transparent plastic wrappers that selectively filter light. view more (2002-02-01)
Scientists uncover the source of an almost 2 billion year delay in animal evolution
A deficiency of oxygen and the heavy metal molybdenum in the ancient deep ocean may have delayed the evolution of animal life on Earth for nearly two billion years. view more (2008-03-27)
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