News tagged with oxygen levels

Radiation-induced damage to brain tissue reversed by oxygen starvation in mice

Treating brain tumors with whole brain radiation therapy can damage healthy brain tissue, but a new study in mice reveals that limiting the oxygen supply, or hypoxia, can alleviate some of the cognitive impairment caused ...

Medicine & Health / Other

created Jan 18, 2012 | popularity not rated yet | comments 0

Bubble-propelled microrockets could operate in the human stomach

(PhysOrg.com) -- Recently, researchers have been designing a wide variety of self-propelled micromotors, many of which operate using an oxygen-bubble propulsion mechanism that requires a high concentration ...

Chemistry / Other

created Jan 18, 2012 | popularity 4.9 / 5 (12) | comments 0 | with audio podcast feature

Algae for your fuel tank: New process for producing biodiesel from microalgae oil

The available amount of fossil fuels is limited and their combustion in vehicle motors increases atmospheric carbon dioxide levels. The generation of fuels from biomass as an alternative is on the rise. In ...

Chemistry / Materials Science

created Jan 10, 2012 | popularity 4 / 5 (1) | comments 0

Scientists find microbes in lava tube living in conditions like those on Mars

(PhysOrg.com) -- A team of scientists from Oregon has collected microbes from ice within a lava tube in the Cascade Mountains and found that they thrive in cold, Mars-like conditions.

Space & Earth / Space Exploration

created Dec 15, 2011 | popularity 4.8 / 5 (17) | comments 13 | with audio podcast

Innovative approaches help sleep apnea sufferers benefit from CPAP

People with obstructive sleep apnea are more likely to stick to prescribed treatment when a partner or parent is involved with their treatment, according to a team of sleep researchers.

Medicine & Health / Diseases

created Dec 01, 2011 | popularity not rated yet | comments 0

Rise of atmospheric oxygen more complicated than previously thought

The appearance of oxygen in the Earth's atmosphere probably did not occur as a single event, but as a long series of starts and stops, according to an international team of researchers who investigated rock ...

Space & Earth / Earth Sciences

created Dec 01, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Low iron levels slow down female athletes

(Medical Xpress) -- Female athletes with low levels of iron in their bodies, yet who are not anemic, may be at a disadvantage even before their competitive season starts, according to a new Cornell study. These athletes could ...

Medicine & Health / Research

created Nov 21, 2011 | popularity not rated yet | comments 0

Hormone that controls iron levels may be target for atherosclerosis treatment

Researchers at Emory University School of Medicine have identified hepcidin, a hormone that regulates iron levels in the body, as a potential target for treating atherosclerosis.

Medicine & Health / Cardiology

created Nov 16, 2011 | popularity not rated yet | comments 0

Researchers discover how breast cancer spreads to lung

The spread of breast cancer is responsible for more than 90 percent of breast cancer deaths. Now, the process by which it spreads -- or metastasizes -- has been unraveled by researchers at Johns Hopkins.

Medicine & Health / Cancer

created Nov 16, 2011 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Attention and awareness uncoupled in brain imaging experiments

In everyday life, attention and awareness appear tightly interwoven. Attending to the scissors on the right side of your desk, you become aware of their attributes, for example the red handles. Vice versa, ...

Medicine & Health / Neuroscience

created Nov 10, 2011 | popularity 4 / 5 (5) | comments 2 | with audio podcast

Health check on the road

Safety in traffic depends on a number of factors. One decisive aspect is how fit the driver is. A research team at the Technische Universitaet Muenchen (TUM), in collaboration with researchers at the BMW Group, ...

Technology / Engineering

created Nov 03, 2011 | popularity not rated yet | comments 0

New findings may help explain high blood pressure in pregnancy

Virginia Commonwealth University School of Medicine researchers have discovered that the infiltration of white blood cells into an expectant mother's blood vessels may explain high blood pressure in pregnancy.

Medicine & Health / Research

created Oct 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

Breakthrough in the production of flood-tolerant crops

As countries such as Pakistan, Bangladesh, Vietnam and parts of the United States and United Kingdom have fallen victim to catastrophic flooding in recent years, tolerance of crops to partial or complete submergence ...

Biology / Biotechnology

created Oct 23, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Protein is potential new treatment target for adult pulmonary hypertension

A protein critical to development appears to have a grave impact on lungs exposed to smoking and air pollution, researchers report.

Medicine & Health / Research

created Oct 17, 2011 | popularity not rated yet | comments 0 | with audio podcast

Oxygen inactivates the enzyme function in three phases: study

Scientists from the Faculty of Biology and Biotechnology at the RUB have published a report in the Journal of Biological Chemistry explaining why enzymes used for the production of hydrogen are so sensitive to oxygen. In col ...

Chemistry / Biochemistry

created Oct 12, 2011 | popularity not rated yet | comments 0