Word: oxygenation
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Dates: during 2000-2009
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...team researched the bacteria Shewanella oneidensis, affectionately known as Shewie. It is a specie capable of performing anaerobic metabolism in oxygen-poor environments and of donating electrons to surrounding substrates...
...graduate student who was performing the experiment, Tsing-Hua Her, noticed immediately that something was amiss when he combined the silicon with halogen gas: the silicon had turned black, but the material couldn’t have been burned, since there was no oxygen present in the chamber. Under the microscope, Her and Mazur saw, the surface of the wafers displayed a forest of tiny spikes...
...died from other causes. Researchers found that SIDS babies often have a brain defect in a region of the brain that controls breathing, heart rate and blood pressure. The abnormality appears to weaken the responsiveness of certain functions, including arousal from sleep when the body fails to get enough oxygen. Researchers think the defect may be genetic in origin, although there are no biological tests yet to determine risk...
...hole anxiety has in fact bubbled up into the public consciousness.) But while such scenarios have been ruled out, the machine does pose a small threat to the scientists overseeing it: There's a constant risk of a helium leak, high concentrations of which quickly depletes the tunnels of oxygen...
...having just given birth to her second child. She had started bleeding from a tear in her cervix, the blood forming a pool on the floor below. Two doctors ran in and stitched her up, relatives found blood supplies, and nurses struggled to connect a generator to the oxygen tank. One nurse jammed an intravenous needle into Conteh's arm, while another hooked a bag of blood to a rusted stand, and a third slapped an oxygen mask over her face. In the corner of the room, a tiny baby--3 hours old--lay on a bed, wailing, swaddled...