News tagged with chemical signal
Nervy research: Researchers take initial look at ion channels in a model system
Dec 02, 2009 |
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Before one of your muscles can twitch, before the thought telling it to flex can race down your nerve, a tiny floodgate of sorts -- called an ion channel -- must open in the surface of each cell in these organs ...
Scientists discover how to send insects off the scent of crops
Sep 24, 2009 |
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Biotechnology and Biological Sciences Research Council (BBSRC)-funded research, published this week in Chemical Communications, describes how scientists have discovered molecules that could confuse insects' ability to det ...
Looking for signs of early life
Space & Earth / Earth Sciences
Jul 08, 2009 |
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(PhysOrg.com) -- Deciphering the very early history of life on Earth is difficult. In the darkest recesses of the first billion years there are no 'body' fossils - no physical remains. Instead, scientists ...
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New method of measuring ocean CO2 uptake could lead to climate change 'early warning system'
Space & Earth / Earth Sciences
Dec 03, 2009 |
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An international team of scientists led by the University of East Anglia (UEA) has developed a new method of measuring the absorption of CO2 by the oceans and mapped for the first time CO2 uptake for the entire North Atlantic.
Stopping MRSA before it becomes dangerous is possible, researchers find
Dec 03, 2009 |
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Most scientists believe that staph infections are caused by many bacterial cells that signal each other to emit toxins. The signaling process is called quorum sensing because many bacteria must be present ...
Ice Cold: Cooler Than Being Cool
Nov 24, 2009 |
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(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...
GE Scientists Developing Wearable RFID Sensors to Detect Airborne Chemical Agents
Chemistry / Analytical Chemistry
Nov 20, 2009 |
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GE Global Research, the technology development arm for the General Electric, today announced a $2 million award from the National Institute of Environmental Health Sciences to develop wearable RFID sensors ...
Rich Ore Deposits Linked to Ancient Atmosphere
Space & Earth / Earth Sciences
Nov 19, 2009 |
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(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...
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 ...
Dopamine enhances expectation of pleasure in humans
Medicine & Health / Neuroscience
Nov 12, 2009 |
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(PhysOrg.com) -- Enhancing the effects of the brain chemical dopamine influences how people make life choices by affecting expectations of pleasure, according to new research from the UCL Institute of Neurology.
Experts: Placebo power behind many natural cures
Nov 10, 2009 |
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(AP) -- People looking for natural cures will be happy to know there is one. Two words explain how it works: "I believe." It's the placebo effect - the ability of a dummy pill or a faked treatment to make people feel better, ...
Of Mutants and Mechanisms: Researching Growth-Regulation Proteins That Underlie Cancer
Nov 09, 2009 |
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(PhysOrg.com) --A University of Arkansas researcher will study potential cancer-causing mutants of a protein involved in cell growth regulation, thanks to a supplemental grant from the National Institutes ...
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