News tagged with chemical signals
When ants attack: Researchers recreate chemicals that trigger aggression
Oct 27, 2009 |
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(PhysOrg.com) -- Experiments led by researchers at the University of California, Berkeley, have demonstrated that normally friendly ants can turn against each other by exploiting the chemical cues they use ...
Scientists guide immune cells with light and microparticles (w/ Video)
Nov 16, 2009 |
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A team led by Yale University scientists has developed a new approach to studying how immune cells chase down bacteria in our bodies. Their findings are described in the November 15 issue of Nature Methods Advanc ...
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Scientists find new link between insulin and core body temperature
Nov 19, 2009 |
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A team led by scientists at The Scripps Research Institute have discovered a direct link between insulin—a hormone long associated with metabolism and metabolic disorders such as diabetes—and core body temperature. While ...
Schizophrenia gene's role may be broader, more potent, than thought
Nov 19, 2009 |
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(PhysOrg.com) -- UCSF scientists studying nerve cells in fruit flies have uncovered a new function for a gene whose human equivalent may play a critical role in schizophrenia.
Drug studied as possible treatment for spinal injuries
Medicine & Health / Neuroscience
Nov 19, 2009 |
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Researchers have shown how an experimental drug might restore the function of nerves damaged in spinal cord injuries by preventing short circuits caused when tiny "potassium channels" in the fibers are exposed.
How cells tolerate DNA damage -- start signal for cell survival program identified
Nov 16, 2009 |
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Cancer researchers of the Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Germany, have gained new insights into how cells react to DNA damage. Dr. Michael Stilmann, Dr. Michael Hinz and Professor Claus Scheidereit ...
Vibrations key to efficiency of green fluorescent protein
Nov 11, 2009 |
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University of California, Berkeley, chemists have discovered the secret to the success of a jellyfish protein whose green glow has made it the darling of biologists and the subject of the 2008 Nobel Prize ...
Amphibians as environmental omen disputed
Nov 11, 2009 |
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Amphibians, for years considered a leading indicator of environmental degradation, are not uniquely susceptible to pollution, according to a meta-analysis to be published in Ecology Letters.
Scientists visualize how bacteria talk to one another
Nov 08, 2009 |
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Using imaging mass spectrometry, researchers at the University of California, San Diego have developed tools that will enable scientists to visualize how different cell populations of cells communicate. Their ...
Not just bleach: Hydrogen peroxide may tell time for living cells
Nov 03, 2009 |
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If a circadian rhythm is like an orchestra - the united expression of the rhythms of millions of cells - a common chemical may serve as the conductor, or at least as the baton.
The 'e-Nose': Scientists try to develop an electronic sniffer
Chemistry / Analytical Chemistry
Nov 02, 2009 |
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Sniff, sniff, sniff -- Yum! Sniff, sniff, sniff -- Oh, yuck!!! For almost 25 years, chemists and other scientists have tried to build a machine that can do exactly that.
Spider mite predators serve as biological control
Nov 02, 2009 |
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The control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled in Pennsylvania apple ...
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