News tagged with dark cells
'Dark cells' of living retina imaged for the first time
Feb 26, 2009 |
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A layer of "dark cells" in the retina that is responsible for maintaining the health of the light-sensing cells in our eyes has been imaged in a living retina for the first time.
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New technology sharpens X-ray vision
Jan 20, 2008 |
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Researchers at the Paul Scherrer Institute (PSI) and the EPFL in Switzerland have developed a novel method for producing dark-field x-ray images at wavelengths used in typical medical and industrial imaging ...
Chocolate rich in flavanols may protect the skin from UV
Nov 06, 2009 |
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(PhysOrg.com) -- A new study has discovered for the first time that dark chocolate rich in flavanols may provide significant protection from the harmful effects of ultraviolet light.
'Glow-in-the-dark' red blood cells made from human stem cells
Aug 24, 2009 |
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Victorian stem cell scientists from Monash University have modified a human embryonic stem cell (hESC) line to glow red when the stem cells become red blood cells.
Circadian surprise: Mechanism of temperature synchronization in drosophila
Oct 28, 2009 |
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New research reveals a pathway that links peripheral sensory tissues with a "clock" in the brain to regulate molecular processes and behaviors in response to cyclical temperature changes. The research, published by Cell Press ...
Parkinson's disease: Iron accumulation to the point of demise
Medicine & Health / Neuroscience
Aug 19, 2009 |
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Neurons that produce the neurotransmitter dopamine are the cerebral cells that most commonly die-off in Parkinson's disease. The cells in the so-called substantia nigra, which contain the dark pigment neuromelanin, are affected. ...
Cells in eye could help control sleep
Aug 18, 2008 |
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(PhysOrg.com) -- A set of nerve cells in the eye control our levels of sleepiness according to the brightness of our surroundings, Oxford University researchers have discovered. The cells directly regulate ...
When is a stem cell not really a stem cell?
Biology /
Aug 26, 2007 |
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Working with embryonic mouse brains, a team of Johns Hopkins scientists seems to have discovered an almost-too-easy way to distinguish between “true” neural stem cells and similar, but less potent versions. Their finding, ...
The difference between eye cells is... sumo?
Medicine & Health / Neuroscience
Mar 09, 2009 |
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Researchers at the Johns Hopkins University School of Medicine and Washington University School of Medicine have identified a key to eye development — a protein that regulates how the light-sensing nerve cells in the retina ...
Light powered platinum more targeted and 80 times more powerful than similar cancer treatments
Dec 21, 2007 |
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Researchers from the Universities of Warwick, Edinburgh, Dundee and the Czech Republic’s Institute of Biophysics have discovered a new light-activated platinum-based compound that is up to 80 times more powerful than other ...
New Study Sheds Light On 'Dark States' In DNA
Jan 08, 2007 |
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Chemists at Ohio State University have probed an unusual high-energy state produced in single nucleotides -- the building blocks of DNA and RNA -- when they absorb ultraviolet (UV) light.
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