Mean dissolved oxygen concentrations in the world's oceans at a depth of 400 meters (1,312 feet ... of Oceanography at UC San Diego has discovered that oxygen-poor regions of tropical oceans are expanding ...
... measurements at the time of a needle biopsy, providing immediate feedback about the tumor's oxygen concentration."
In their current experiments, the researchers enrolled 35 women who were to undergo ...
... carbon dioxide gas (pCO2) in low-oxygen zones will rise much higher than previously ... combination of increasing carbon dioxide and decreasing oxygen concentrations. The amount of dissolved carbon dioxide ...
... Alzheimer's mice exposed to 100-percent oxygen performed much worse on tests measuring ... following major surgery in the elderly," Roberts said. "These oxygen concentrations often far exceed that required ...
... light and the tubes' change in electrical conductance. The tubes demonstrated sensitivity to oxygen concentrations as low as 5 percent (normal atmospheric concentration is around 20 percent) with the ...
... , or oxygen transportation, that Porterfield said is important to understand.
"Just knowing the oxygen concentration in or around a sample will not necessarily correlate to the underlying biological ...
... .
"The Pasteur effect is really best defined as the way by which cells adapt to low oxygen concentrations," said Joseph Loscalzo of Brigham and Women's Hospital and Harvard Medical School. Cells do ...
... the complex mechanisms of gas exchange, respiration and fermentation in the fruit.
The correct oxygen concentration is related to the complex mechanisms of gas exchange, respiration and fermentation ...
... fluorescent substance coated the electrode tip, its optical properties varying predictably with oxygen concentration. This allowed researchers to take quick measurements at locations only micrometers ...
... .
As expected, they found that children with snoring had lower regional cerebral oxygen concentration than healthy children. But, paradoxically, they found that children with sleep apnea, which is ...
Red-eyed treefrog embryos react to environmental oxygen concentration before they have blood or muscular movement. These initial responses to the environment may be critical to the frogs' long-term ...
Red-eyed treefrog embryos react to environmental oxygen concentration before they have blood or muscular movement. These initial responses to the environment may be critical to the frogs' long-term ...
... understanding of the history of oxygen increase. The history of atmospheric oxygen concentrations has been an area of active research for several decades, and has experienced a great deal of recent ...
... the seabed below.. It also carries precision instruments for measuring the salinity, temperature, and oxygen concentrations in the sea water within the ice cavity, which are vital to understanding ...
... to loss of vision. Retinopathy of prematurity (ROP) affects infants exposed to high oxygen concentrations as a part of the essential treatment they receive to allow their lungs and other organs to ...
