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MU scientists discover way to order polar molecules in crystals
01-18-2007 · EurekAlert!Researchers at the University of Missouri-Columbia have found a way to organize molecules in a crystal so that the poles align in the same direction. In preliminary tests, the scientists also have discovered that aligned crystals hold potential to change the frequency of light, making them important to the future of telecommunications and computing.
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Keywords: scientists, discover, way, order, polar, molecules, crystals, scientist, molecule, crystal
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- Desktop device generates and traps rare ultracold molecules
12-12-2007 · EurekAlert!
Physicists at the University of Rochester have combined an atom-chiller with a molecule trap, creating for the first time a device that can generate and trap huge numbers of elusive-yet-valuable ultracold polar molecules. Scientists believe ultracold polar molecules will allow them to create exotic artificial crystals and stable quantum computers.
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- Scientists discover a new player in innate immune response
01-16-2008 · EurekAlert!
All multicellular animals have an innate immune system: When bacteria, parasites or fungi invade the organism, small protein molecules are released that eliminate the attackers. Scientists of the German Cancer Research Center have now discovered a new molecule that plays an important role in triggering the innate immune response of the fruit fly Drosophila, mice and even humans. Their work has just been published in the journal Nature Immunology.
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- Scientists discover novel way to remove iron from ferritin
11-02-2007 · EurekAlert!
A new study led by Children's Hospital Oakland Research Institute senior scientist, Elizabeth Theil, PhD, is the first to suggest that a small protein or heptapeptide could be used to accelerate the removal of iron from ferritin. The results of this study may help scientists develop new medications that dramatically improve the removal of excess iron in patients diagnosed with blood diseases such as B-Thalassemia (Cooley's anemia) or sickle cell disease.
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- Selecting life: Scientists find new way to search for origin of life
11-09-2006 · EurekAlert!
Over the last half century, researchers have found that mineral surfaces may have played critical roles activating molecules that would become essential ingredients to life. Identifying which biomolecule/ mineral surface pairs, however, has stumped scientists for years because of countless possible combinations. Now a team of researchers, led by Robert Hazen of the Carnegie Institution's Geophysical Laboratory, has developed new protocols and procedures for adapting DNA microarray technology to rapidly identify promising molecule/mineral pairs.
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- Nanotechnology meets biology and DNA finds its groove
02-08-2007 · EurekAlert!
The object of fascination for most is the DNA molecule. But in solution, DNA, the genetic material that hold the detailed instructions for virtually all life, is a twisted knot, looking more like a battered ball of yarn than the famous double helix. To study it, scientists generally are forced to work with collections of molecules floating in solution, and there is no easy way to precisely single out individual molecules for study.
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- Scientists uncover speedometer for crystal growth controlled by biomolecule properties
12-04-2006 · EurekAlert!
Researchers at Virginia Tech, Lawrence Livermore National Laboratory and the Children's Hospital of Philadelphia report that the chemistry of organic molecules control the rate of crystal growth. Nano-quantities of biomolecules in the tissues of organisms where biominerals develop can cause calcite crystals to grow faster. And speed of growth can be tuned by varying the charge and water-structuring ability of the biomolecules. The findings result in a speedometer that predicts the type of molecules that will speed up crystal growth.
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- Super-thin membrane, 50 atoms thick, sorts individual molecules
02-14-2007 · EurekAlert!
A newly designed porous membrane, so thin it's invisible edge-on, may revolutionize the way doctors and scientists manipulate objects as small as a molecule. The 50-atom thick filter can withstand surprisingly high pressures and may be a key to better separation of blood proteins for dialysis patients, speeding ion exchange in fuel cells, creating a new environment for growing neurological stem cells, and purifying air and water in hospitals and clean-rooms at the nanoscopic level.
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- In a first, Einstein scientists discover the dynamics of transcription in living mammalian cells
08-06-2007 · EurekAlert!
Transcription -- the transfer of DNA's genetic information through the synthesis of complementary molecules of messenger RNA -- forms the basis of all cellular activities. Yet little is known about the dynamics of the process -- how efficient it is or how long it takes. Now, researchers at the Albert Einstein College of Medicine of Yeshiva University have measured the stages of transcription in real time. Their unexpected findings have fundamentally changed the way transcription is understood.
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- New nanotechnology able to examine single molecules, aiding in determining gene expression
01-24-2007 · EurekAlert!
A new nanotechnology that can examine single molecules in order to determine gene expression, paving the way for scientists to more accurately examine single cancer cells, has been developed by an interdisciplinary team of researchers at UCLA's California Nanosystems Institute (CNSI), New York University's Courant Institute of Mathematical Sciences, and Veeco Instruments, a nanotechnology company.
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- Scientists discover new class of RNA
01-11-2007 · Massachusetts Institute of Technology (MIT)
With the discoveries of RNA interference and microRNAs, the RNA molecule has been catapulted to stardom as a major player in genomic activity. Now a team of scientists led by an MIT professor has discovered an entirely new class of RNA molecules.
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