News tagged with light sensors
Pill-sized device provides rapid, detailed imaging of esophageal lining
Physicians may soon have a new way to screen patients for Barrett's esophagus, a precancerous condition usually caused by chronic exposure to stomach acid. Researchers at the Wellman Center for Photomedicine ...
Medical research
Jan 13, 2013 |
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The end of a dogma: Bipolar cells generate action potentials
To make information transmission to the brain reliable, the retina first has to "digitize" the image. Until now, it was widely believed that this step takes place in the retinal ganglion cells, the output ...
Medical research
Dec 19, 2012 |
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Crag keeps the light 'fantastic' for photoreceptors
The ability of the eye of a fruit fly (Drosophila melanogaster) to respond to light depends on a delicate ballet that keeps the supply of light sensors called rhodopsin constant as photoreceptors turn on and off in respon ...
Neuroscience
Dec 04, 2012 |
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An 'off' switch for pain: Chemists build light-controlled neural inhibitor
Pain? Just turn it off! It may sound like science fiction, but researchers based in Munich, Berkeley and Bordeaux have now succeeded in inhibiting pain-sensitive neurons on demand, in the laboratory. The crucial element in ...
Medical research
Feb 22, 2012 |
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