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Bad mitochondria may actually be good for you
Mice with a defective mitochondrial protein called MCLK1 produce elevated amounts of reactive oxygen when young; that should spell disaster, yet according to a study in this week's JBC these mice actually age at a slower rate and live longer than normal mice. view more (2009-07-23)
NO ADVANTAGE OF HIGH-PRESSURE OXYGEN FOR TREATING CHILDREN WITH CEREBRAL PALSY (p 582)
Children with cerebral palsy are unlikely to benefit from treatment with high-pressure oxygen, conclude authors of a study in this week's issue of THE LANCET. Cerebral palsy is characterised by disorders of movement and posture caused by a non-progressive injury to the immature brain; there is no known cure. Hyperbaric (high-pressure) oxygen has... view more... (2001-02-21)
People with obstructive sleep apnea at risk for cardiac stress on airline flights
People with severe obstructive sleep apnea (OSA) on commercial airline flights may have a greater risk of adverse events from cardiac stress than healthy people. view more (2008-05-19)
Moon and Earth Formed out of Identical Material
According to the «Giant Impact» theory the moon was formed by a collision between a proto-earth and a smaller planet. In the October 12 issue of Science, ETH researchers present results showing that the composition of the oxygen isotopes of the moon and the earth are identical. This is a strong indication that the proto-earth and the planet with... view more... (2001-10-11)
Clemson chemists discover new way antioxidants fight debilitating diseases
Cancer, cardiovascular diseases, Parkinson's and Alzheimer's are often linked to DNA damage that occurs when metal ions in the body such as iron and copper produce reactive oxygen compounds that damage human cells. view more (2007-08-20)
Climate change and the rise of atmospheric oxygen
Today's climate change pales in comparison with what happened as Earth gave birth to its oxygen-containing atmosphere billions of years ago. view more (2006-03-23)
Saturn's rings have own atmosphere
Data from the NASA/ESA/ASI Cassini spacecraft indicate that Saturn's majestic ring system has its own atmosphere-separate from that of the planet itself. view more (2005-08-18)
Ambulatory oxygen rarely a benefit in COPD patients without resting hypoxemia
Prescribing ambulatory oxygen in patients with chronic obstructive pulmonary disease (COPD) improves exercise performance, but not the quality of their daily life unless they have resting hypoxemia. view more (2007-08-15)
Silicon May Have Been The Key To Start Of Life On Earth
A scientist at the University of Sheffield has discovered that silicon may have been key to the establishment of life on earth. Until now it has generally been thought that bacteria do not interact with silicon, but Dr Milton Wainwright and his team at the University's Department of Molecular Biology and Biotechnology, has found that this is not... view more... (2003-10-23)
Dormant TB beats our best drugs
New knowledge about the way tuberculosis-causing bacteria can survive in a dormant state for years in our bodies could pave the way for treatments that will finally wipe out this dread disease, experts heard today (Monday 10 September 2001) at the bi-annual meeting of the Society of General Microbiology at the University of East Anglia. US... view more... (2001-08-31)
New multi-use device can shed light on oxygen intake
A fiber-optic sensor created by a team of Purdue University researchers that is capable of measuring oxygen intake rates could have broad applications ranging from plant root development to assessing the effectiveness of chemotherapy drugs. view more (2009-09-23)
It pays to quit smoking before surgery
People who start nicotine replacement therapy at least four weeks before surgery can halve their risk of poor wound healing. This is what the German Institute for Quality and Efficiency in Health Care (IQWiG) concludes in information published on informedhealthonline.org today. view more (2009-09-04)
Groundbreaking study helps explain why preemie brains improve over time
Infants born prematurely and with hypoxia-inadequate oxygen to the blood-are able to recover some cells, volume and weight in the brain after oxygen supply is restored, Yale School of Medicine researchers report in Experimental Neurology. view more (2005-06-28)
Study: Why Some Prostate Cancer Returns
The majority of men who receive one of the standard treatments for localized prostate cancer - surgery or radiation therapy - have an excellent outcome. view more (2009-05-28)
Novel fungal enzyme reduces tumour progression
We need oxygen to survive, but ironically oxygen also speeds up aging and can cause cancer! Highly reactive forms of oxygen known as oxygen radicals are produced in our bodies, and this leads to tissue damage and disease. A paper in the June issue of Microbiology reports on a novel enzyme produced by a fungus that can mop up these rogue chemicals... view more... (2001-05-30)
Biologists discover bacterial defense mechanism against aggressive oxygen
Bacteria possess an ingenious mechanism for preventing oxygen from harming the building blocks of the cell. view more (2009-11-23)
The coward of the coral reef
The broad barred goby is a coward. A sweeping statement you may say, but even though the goby is poisonous to its predators, the cowardly fish still spends almost all its time cowering in an inaccessible coral home 20-30 cm in diameter. A new study, to be presented to the Society for Experimental biology on Wednesday 3rd April, reveals how the... view more... (2003-04-01)
Oxygen triggered the evolution of complex life forms
Oxygen played a key role in the evolution of complex organisms, according to new research published in BMC Evolutionary Biology. The study shows that the complexity of life forms increased earlier than was thought, and in parallel with the availability of oxygen as an energy source. In the largest study to date that does not focus on vertebrates,... view more... (2004-01-22)
Nuclear physicists examine oxygen's limits
Physicists at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University have made a unique measurement of an exotic oxygen nucleus, leading scientists one step closer to deciphering the behavior of the element at its limits of existence. view more (2007-09-14)
From Europa to the lab, a new recipe for oxygen on icy moons
A new Pacific Northwest National Laboratory study offers the most detailed picture to date on how oxygen can be made in frigid reaches far from Earth. view more (2006-03-28)
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