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Showing releases 1-25 out of 33 releases.
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Public Release: 3-Jul-2008
Physical Review Letters
Visualizing atomic-scale acoustic wavesin nanostructures
Acoustic waves play many everyday roles -- from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be useful probes of nanostructures such as LED lights.

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

Public Release: 2-Jul-2008
US Department of Energy Joint Genome Institute announces new genome sequencing projects
In the continuing effort to tap the vast, unexplored reaches of the earth's microbial and plant domains for bioenergy and environmental applications, the DOE Joint Genome Institute has announced its latest portfolio of DNA sequencing targets. The 44 projects, culled from nearly 150 proposals received through the Community Sequencing Program, represent over 60 billion nucleotides of data to be generated through this biodiversity sampling campaign -- roughly the equivalent of 20 human genomes.
U.S. Department of Energy Office of Science

Contact: David Gilbert
degilbert@lbl.gov
925-296-5643
DOE/Joint Genome Institute

Public Release: 1-Jul-2008
Integrated Fuel Technologies gets worldwide license for Argonne-developed Diesel DeNOx Catalyst
A new, patented catalyst developed by scientists at Argonne National Laboratory that can reliably and economically reduce between 95 and 100 percent of the nitrogen oxide emissions from diesel-fueled engines has been licensed to Integrated Fuel Technologies Inc., a Washington state start-up company with offices in Spokane and Kirkland.
Argonne National Laboratory

Contact: Angela Hardin
ahardin@anl.gov
630-252-5501
DOE/Argonne National Laboratory

Public Release: 30-Jun-2008
Physical Review Letters
Physicists create millimeter-sized 'Bohr atom'
Nearly a century after Danish physicist Niels Bohr offered his planet-like model of the hydrogen atom, a Rice University-led team of physicists has created giant, millimeter-sized atoms that resemble it more closely than any other experimental realization yet achieved. The research is available online in Physical Review Letters. The team used lasers and electric fields to coax potassium atoms into a precise configuration with one point-like, "localized" electron orbiting far from the nucleus.
National Science Foundation, Welch Foundation, US Department of Energy, Austrian Science Fund

Contact: Jade Boyd
jadeboyd@rice.edu
713-348-6778
Rice University

Public Release: 30-Jun-2008
Nature Biotechnology
New electrostatic-based DNA microarray technique could revolutionize medical diagnostics
Berkeley Lab researchers have invented a technique in which DNA assays -- the key to personalized medicine -- can be read and evaluated with no need of elaborate chemical labeling or sophisticated instrumentation. Based on electrostatic repulsion that yields images visible to the naked eye, the technique could revolutionize the use of DNA microarrays for both research and diagnostics.
US Department of Energy

Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory

Public Release: 26-Jun-2008
Oak Ridge pegged for national ecological network
Dozens of instruments to be deployed on the Oak Ridge Reservation and other sites around the nation will provide valuable information related to climate change, biodiversity and invasive species, infectious diseases and other areas of interest.

Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory

Public Release: 25-Jun-2008
Langmuir
Nanotubes could help study retrovirus transmission between human cells
Naturally occurring nanotubes may serve as tunnels that protect retroviruses and bacteria as they infect healthy cells. The unexpected shielding may explain why vaccines fare poorly against some invaders. Sandia researchers now have formed similar nanotubes that could be used to duplicate the phenomenon.
US Department of Energy, Sandia National Laboratories

Contact: Neal Singer
nsinger@sandia.gov
505-845-7078
DOE/Sandia National Laboratories

Public Release: 25-Jun-2008
ORNL demonstrates super-sensitive explosives detector
Using a laser and a device that converts reflected light into sound, researchers at the US Department of Energy's Oak Ridge National Laboratory can detect explosives at distances exceeding 20 yards.

Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory

Public Release: 25-Jun-2008
Nano Letters
LLNL researchers peer into water in carbon nanotubes
Researchers have identified a signature for water inside single-walled carbon nanotubes, helping them understand how water is structured and how it moves within these tiny channels.

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

Public Release: 25-Jun-2008
Optics Letters
Silicon photonic crystals key to optical cloaking, researchers say
In computer simulations, researchers at the University of Illinois have demonstrated an approximate cloaking effect created by concentric rings of silicon photonic crystals. The mathematical proof brings scientists a step closer to a practical solution for optical cloaking
US Department of Energy

Contact: James E. Kloeppel
kloeppel@uiuc.edu
217-244-1073
University of Illinois at Urbana-Champaign

Public Release: 24-Jun-2008
Argonne's Hard X-ray Nanoprobe provides new capability to study nanoscale materials
The Center for Nanoscale Materials' newly operational Hard X-ray Nanoprobe at the US Department of Energy's Argonne National Laboratory is one of the world's most powerful X-ray microscopes. It has been designed to study novel nanoscale materials and devices aimed at, for example, harvesting solar energy more efficiently, providing more efficient lighting, or enabling next-generation computing.
US Department of Energy

Contact: Brock Cooper
bcooper@anl.gov
630-252-5565
DOE/Argonne National Laboratory

Public Release: 23-Jun-2008
Nano Letters
Tethered molecules act as light-driven reversible nanoswitches
A new technique for attaching light-sensitive organic molecules to metal surfaces allows the molecules to be switched between two different configurations in response to exposure to different wavelengths of light. Because the configuration changes are reversible and can be controlled without direct contact, this technique could enable applications that can be controlled at the molecular scale.
National Science Foundation, US Department of Energy, Visionarts, Inc.

Contact: Barbara K. Kennedy
science@psu.edu
891-486-34682
Penn State

Public Release: 23-Jun-2008
New ORNL process brings nanoparticles into focus
Scientists can study the biological impacts of engineered nanomaterials on cells within the body with greater resolution than ever because of a procedure developed by researchers at the Department of Energy's Oak Ridge National Laboratory.

Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory

Public Release: 23-Jun-2008
Nature Photonics
A look into the nanoscale
Lawrence Livermore National Laboratory researchers have captured time-series snapshots of a solid as it evolves on the ultra-fast timescale.

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

Public Release: 23-Jun-2008
Physical Review Letters
University of Pennsylvania engineers reveal what makes diamonds slippery at the nanoscale
Penn engineers have conducted the first study of diamond friction supported by spectroscopy and determined that this slippery behavior comes from passivation of atomic bonds at the diamond surface that were broken during sliding and not from the diamond turning into its more stable form, graphite.
US Air Force, US Department of Energy

Contact: Jordan Reese
jreese@upenn.edu
215-573-6604
University of Pennsylvania

Public Release: 23-Jun-2008
DARPA funds Argonne-led project to develop technology for advanced radar, communications systems
The Defense Advanced Research Projects Agency is providing $1.4 million to a Phase III research project led by the US Department of Energy Argonne National Laboratory to develop high-performance integrated diamond microelectro-mechanical system and complementary metal-oxide-semiconductors devices for radar and mobile communications using an Argonne developed and patented Ultrananocrystalline Diamond film technology.
US Defense Advanced Research Projects Agency

Contact: Angela Hardin
ahardin@yahoo.com
630-252-5501
DOE/Argonne National Laboratory

Public Release: 20-Jun-2008
Physical Review Letters
A novel X-ray source could be brightest in the world
The future of high-intensity X-ray science has never been brighter now that scientists at US Department of Energy's Argonne National Laboratory have devised a new type of next generation light sources.

Contact: Brock Cooper
bcooper@anl.gov
630-252-5565
DOE/Argonne National Laboratory

Public Release: 19-Jun-2008
GLAST safely in orbit, getting check-ups
A week after launch, NASA's Gamma-ray Large Area Space Telescope, or GLAST, is safely up-and-running well in orbit approximately 350 miles (565 kilometers) above the Earth's surface.
NASA, US Department of Energy

Contact: Rob Gutro
Robert.J.Gutro@nasa.gov
301-286-4044
NASA/Goddard Space Flight Center

Public Release: 18-Jun-2008
Nature
Genome sequence of lancelet shows how genes quadrupled during vertebrate evolution
The ancestor of all chordates, a group that includes humans and other vertebrates, probably looked like a sand-dwelling invertebrate called the lancelet or amphioxus. Its newly sequenced genome confirms that, and shows how vertebrates evolved over the past 550 million years -- through a four-fold duplication of the genes of our primitive ancestors. The sequence, generated by the Joint Genome Institute, and analysis by an international group of biologists is reported in Nature.
US Department of Energy, Moore Foundation

Contact: Robert Sanders
rsanders@berkeley.edu
510-643-6998
University of California - Berkeley

Public Release: 18-Jun-2008
Nature
Ocean temperatures and sea level increases 50 percent higher than previously estimated
New research suggests that ocean temperature and associated sea level increases between 1961 and 2003 were 50 percent larger than estimated in the 2007 Intergovernmental Panel on Climate Change report.

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

Public Release: 18-Jun-2008
Science
Scientists discover that protons partner with neutrons more often than with other protons
Fast-moving protons are much more likely to pair up with fast-moving neutrons than with other protons in the nuclei of atoms, according to a recent experiment. The research confirms a previous theoretical prediction by a Penn State physicist. The theory and its experimental confirmation show that the high-energy interactions can be used to make future discoveries in order to understand the structure of nuclear systems, from light nuclei to massive neutron stars.
Israel Science Foundation, US Israeli Binational Scientific Foundation, US Department of Energy

Contact: Barbara K. Kennedy
science@psu.edu
814-863-4682
Penn State

Public Release: 18-Jun-2008
Argonne's supercomputer named world’s fastest for open science, third overall
The US Department of Energy's Argonne National Laboratory's IBM Blue Gene/P high-performance computing system is now the fastest supercomputer in the world for open science, according to the semiannual Top 500 List of the world's fastest computers. The Blue Gene/P -- known as Intrepid and located at the Argonne Leadership Computing Facility -- also ranked third fastest overall.
US Department of Energy

Contact: Angela Hardin
ahardin@anl.gov
630-252-5501
DOE/Argonne National Laboratory

Public Release: 18-Jun-2008
Nature
UC Davis researcher leads climate-change discovery
A team of researchers led by a first-year UC Davis faculty member has resolved a longstanding paradox in the plant world, which should lead to far more accurate predictions of global climate change.
National Science Foundation, US Department of Energy, CSIRO, Australian Greenhouse Office, David and Lucille Packard Foundation

Contact: Benjamin Houlton
bzhoulton@ucdavis.edu
530-752-2210
University of California - Davis

Public Release: 18-Jun-2008
Nature
Researchers explain nitrogen paradox in forests
Nitrogen is essential to all life on Earth, and the processes by which it cycles through the environment may determine how ecosystems respond to global warming. But certain aspects of the nitrogen cycle in forests have puzzled scientists, defying, in a sense, the laws of supply and demand. Now scientists from the Carnegie Institution have explained the paradox by recognizing the role of two other factors: temperature and the abundance of another key element, phosphorous.
National Science Foundation, CSIRO, Australian Greenhouse Office, David and Lucille Packard Foundation, US Department of Energy

Contact: Christopher Field
cfield@globalecology.stanford.edu
650-462-1047 x201
Carnegie Institution

Public Release: 13-Jun-2008
Growing use of nanomaterials spurs research to investigate possible downsides
There is increasing concern about possible negative impacts from nanoscale materials used in commercial products, specifically when nanomaterials find their way into the body or out into the environment. Arizona State University researchers are studying the potential risks that could arise as humans are exposed to more nanomaterials, and as nanoparticles are transported into waterways and soils.
US Department of Energy

Contact: Joe Kullman
joe.kullman@asu.edu
480-965-8122
Arizona State University

Showing releases 1-25 out of 33 releases.
    Click to go to page: [ 1 | 2 ]