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Researchers use smallest pipette to reveal freezing 'dance' of nanoscale drops
04-15-2007 · EurekAlert!Using what is thought to be the world's smallest pipette, two researchers at the US Department of Energy's Brookhaven National Laboratory have shown that tiny droplets of liquid metal freeze much differently than their larger counterparts. This study, focused on droplets just a billionth of a trillionth of a liter in size, is published in the April 15, 2007, online edition of Nature Materials.
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- Researchers Use Smallest Pipette to Reveal Freezing "Dance" of Nanoscale Drops
04-15-2007 · Brookhaven National Laboratory
– Using what is thought to be the world's smallest pipette, two researchers at the U.S. Department of Energy's Brookhaven National Laboratory have shown that tiny droplets of liquid metal freeze much differently than their larger counterparts. This study, focused on droplets just a billionth of a trillionth of a liter in size, is published in the April 15, 2007, online edition of Nature Materials.
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- Materials' crystal properties illuminated by mathematical 'lighthouse'
01-17-2008 · EurekAlert!
A deeper fundamental understanding of complex materials may now be possible, thanks to a pair of Princeton scientists who have uncovered a new insight into how crystals form. The researchers' findings reveal a previously unknown mathematical relationship between the different arrangements that interacting particles can take while freezing. The discovery could give scientists insight into the essential behaviors of materials such as polymers, which are the basis of plastics.
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- Quantum biology -- Powerful computer models reveal key biological mechanism
01-16-2007 · EurekAlert!
Using powerful computers to model the intricate dance of atoms and molecules, researchers at Rensselaer Polytechnic Institute have revealed the mechanism behind an important biological reaction. In collaboration with scientists from the Wadsworth Center of the New York State Department of Health, the team is working to harness the reaction to develop a "nanoswitch" for a variety of applications, from targeted drug delivery to genomics and proteomics to sensors.
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- Research shows aerobic exercise helps maintain muscle in elderly
05-30-2007 · EurekAlert!
Recent studies have shown that insulin provides crucial assistance in building muscle, and that its ability to do so drops off dramatically in the elderly. Now, a study by medical researchers in Texas and California suggests that a simple, cost-free therapy appears to largely overcome that drop-off in insulin response: moderate aerobic exercise such as walking.
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- Scientists reveal DNA-enzyme interaction with first ever real time footage
09-17-2007 · EurekAlert!
For the first time scientists have been able to film, in real time, the nanoscale interaction of an enzyme and a DNA strand from an attacking virus. Researchers from the University of Cambridge have used a revolutionary Scanning Atomic Force Microscope in Japan to produce amazing footage of a protective enzyme unravelling the DNA of a virus trying to infect a bacterial host.
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- Micro microwave does pinpoint cooking for miniaturized labs
11-08-2007 · EurekAlert!
Researchers at NIST and George Mason University have demonstrated what is probably the world's smallest microwave oven, a tiny mechanism that can heat a pinhead-sized drop of liquid inside a container slightly shorter than an ant and half as wide as a single hair.
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- Researchers 'sniff out' emissions from feedyards
03-07-2007 · EurekAlert!
Setting up an air quality trailer in the midst of cattlepens at a feedlot will help measure gaseous emissions, said a TexasAgricultural Experiment Station researcher. Dr. Ken Casey, Experiment Station air quality engineer in Amarillo,wants to measure ammonia and hydrogen sulfide emissions from feedyards. His research team is setting up two climate-controlled instrumenttrailers in different locations at a feedyard. The trailers will beequipped with two continuous emissions analyzers.
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- Lupus gene finding prompts call for more DNA samples
12-02-2007 · EurekAlert!
Wellcome Trust researchers have identified a key gene involved in the disease lupus, which affects around 50,000 people in the UK, mostly women. The lead researcher behind the study has called for more patients to volunteer DNA samples to enable them to further study the underlying causes of the disease.
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- How baby fish find a home
01-16-2008 · EurekAlert!
University of Miami researcher Claire Paris will use a groundbreaking observational tool, the OWNFOR (Orientation With No Frame Of Reference), a kite-like drifting device that allows researchers to detect and quantify the orientation of larval coral reef fish in the pelagic environment. This invention provides a less labor intensive, more precise way of tracking the dispersal of larval and juvenile marine species. The OWNFOR larval monitoring system will be tested through funding from the Australian Museum; Hermon Slade Foundation.
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- Obesity research boosted by watching hunger in the brain
11-07-2007 · EurekAlert!
Scientists can now measure how full or hungry a mouse feels, thanks to a new technique which uses imaging to reveal how neurons behave in the part of the brain which regulates appetite. Researchers hope the technique, which uses magnetic resonance imaging, will enable a far greater understanding of why certain people become obese when others do not, and why different people have different appetites.
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