Researchers at the Bio-SANS instrument at the High Flux Isotope Reactor used contrast variation and small-angle neutron scattering to get a first insight into how macromolecules form single polyelectrolyte chains in synthetic complexes. The Sindbis virus, or SINV, is the prototype for viruses spread by insects, which cause some of the most devastating and widespread diseases among humans.
Solar cells, light emitting diodes, displays and other electronic devices could get a bump in performance because of a discovery at the Department of Energy’s Oak Ridge National Laboratory that establishes new boundaries for controlling band gaps.
Alejandro Lopez-Bezanilla used the computing power of Oak Ridge National Laboratory’s Jaguar supercomputer, America’s fastest, to study the effects of adding oxygen, sulfur and hydrogen to nanoribbons made of boron nitride. An upgrade is transforming Oak Ridge National Laboratory’s Jaguar supercomputer, America’s fastest, into Titan, a next-generation supercomputer that will employ the latest AMD Opteron central processing units as well as NVIDIA Tesla graphics processing units — energy-efficient processors that accelerate specific types of calculations in scientific application codes. A combination of advanced techniques at Oak Ridge National Laboratory helped researchers gain a better understanding of how some proteins attack bacteria. Colicins, a family of protein toxins, kill E. coli by crossing the bacterial membrane to exert their toxic effects.
Studies of bacteria first found in Yellowstone’s hot springs are furthering efforts at the Department of Energy’s BioEnergy Science Center toward commercially viable ethanol production from crops such as switchgrass.
Individual atoms can make or break electronic properties in one of the world’s smallest known conductors—quantum nanowires.
Steven J. Zinkle, a senior materials researcher at the Department of Energy's Oak Ridge National Laboratory, has been elected to the National Academy of Engineering (NAE).
Envirofit International, the Department of Energy’s Oak Ridge National Laboratory and Colorado State University have won a Federal Laboratory Consortium award for excellence in technology transfer for a clean-burning cookstove designed for the developing world.
Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices.
By using a novel technique to better understand mineral growth and dissolution, researchers are improving predictions of mineral reactions and laying the groundwork for applications ranging from keeping oil pipes clear to sequestering radium.
Carbon trapped in permafrost soils could be released a lot faster than previously thought; Coast Guard going green; Tracking cell death protein.
To better understand the fundamental behavior of molecules at surfaces, researchers at the U.S. Department of Energy’s Oak Ridge National Laboratory are combining the powers of neutron scattering with chemical analysis.
The prospect of electronics at the nanoscale may be even more promising with the first observation of metallic conductance in ferroelectric nanodomains by researchers at Oak Ridge National Laboratory.
Armed with a new ability to find retinal anomalies at the cellular level, neurobiologists at St. Jude Children’s Research Hospital have made a discovery they hope will ultimately lead to a treatment for cancer of the retina.
Using statistical analysis methods to examine rainfall extremes in India, a team of researchers has made a discovery that resolves an ongoing debate in published findings and offers new insights.
Supercomputer simulations are giving scientists unprecedented access to a key class of proteins involved in drug detoxification.
The sharp decrease in global carbon dioxide emissions attributed to the worldwide financial crisis in 2009 quickly rebounded in 2010.
1) Computer hackers could lose a huge advantage. 2) Solar and wind energy could become more viable. 3) Something odd happens when you expose the element gadolinium to a strong magnetic field. 4) Carefully combining materials that shrink when heated with materials that expand creates a material unaffected by extreme temperature.
1) Computer hackers could lose a huge advantage because of a system being developed at ORNL. 2) Solar and wind energy could become more viable because of an innovation that produces a hydrogen stream of greater than 99 percent purity. 3) Something odd happens when you expose the element gadolinium to a strong magnetic field. 4) Carefully combining materials that shrink when heated with materials that expand creates a material unaffected by extreme temperature.
A tree outside researcher Pratul Agarwal’s office window provided the inspiration for a discovery that may ultimately lead to drugs with fewer side effects.
Taking a cue from Mother Nature, researchers at DOE’s BioEnergy Science Center have undertaken a first-of-its-kind study of a naturally occurring phenomenon in trees to spur the development of more efficient bioenergy crops. Tension wood, which forms naturally in hardwood trees in response to bending stress, is known to possess unique features that render it desirable as a bioenergy feedstock.
A method of monitoring roots rarely used in wetlands will help researchers effectively study the response of a high-carbon ecosystem to elevated temperatures and levels of carbon dioxide.
The Department of Energy’s Oak Ridge National Laboratory has awarded a contract to Cray Inc. to increase the Jaguar supercomputer’s science impact and energy efficiency.
The US ITER Project Office at the U.S. Department of Energy’s (DOE) Oak Ridge National Laboratory has awarded a $13.2 million task order to AREVA Federal Services for fabrication of five drain tanks for the ITER tokamak cooling water system. The international ITER project aims to demonstrate the scientific and technical feasibility of fusion energy for the commercial power grid. To date, US ITER has awarded more than $260 million in contracts to US industry, laboratories and universities in 38 states and the District of Columbia.
1) Getting to the finish line quickest with the least environmental impact. 2) A new instrument able to detect chemical residues from a distance. 3) BitTorrent tracker 4) Cybersecurity 5) Neutrons pierce polymers 6) Researchers are studying how to build coatings in which polymer layering will hold until drugs reach that part of the body for which they are intended.
Molecular motion in proteins comes in three distinct classes, according to a collaboration by researchers at the Department of Energy’s Oak Ridge National Laboratory and the University of Tennessee, in research reported in Physical Review Letters.
Crystals and ceramics pale when compared to a material researchers discovered that has 10 times their piezoelectric effect, making it suitable for perhaps hundreds of everyday uses.
An ORNL invention able to quickly predict three-dimensional structure of protein could have huge implications for drug discovery and human health.
Batteries could get a boost from a discovery that increases power, energy density and safety while dramatically reducing charge time.
Neutron scattering studies of “cobalt blue,” a compound prized by artists for its lustrous blue hue, are revealing unique magnetic characteristics that could answer questions about mysterious properties in other materials.
Dow Kokam and the Department of Energy’s Oak Ridge National Laboratory are working together to enhance the Michigan-based company’s capabilities to develop and commercialize advanced lithium ion batteries.
1) Conquering corrosion. 2) Manufacturing - stress relief. 3) Thermal energy misconception. 4) Magnet power. 5) Cost-effective solar cells. 6) Discoveries from simulations.
Five of the world's most advanced instruments for neutron scattering research are serving the neutron science community following the completion of the $68.5 million SING project at Oak Ridge National Laboratory's Spallation Neutron Source (SNS).
A novel microscopy method is helping scientists probe the reactions that limit widespread deployment of fuel cell technologies.
To study questions of why the universe has matter, physicists can try to create another ‘Big Bang’ somewhere and study how it evolves.
Fourteen companies have agreed to join with Oak Ridge National Laboratory to establish the Oak Ridge Carbon Fiber Composites Consortium, which will work to accelerate the development, demonstration and commercial application of new low-cost carbon fiber and composites materials in many different industry sectors.
William Brinkman, director of the U.S. Department of Energy’s Office of Science, joined officials from DOE and Oak Ridge National Laboratory on Tuesday to dedicate a new Chemical and Materials Sciences Building.
A new approach to growing graphene greatly reduces problems that have plagued researchers in the past and clears a path to the crystalline form of graphite’s use in sophisticated electronic devices of tomorrow.
1) Nanoscale robots that can flow through blood may yet be a possibility. 2) Making Industry Part of the Climate Solution. 3) New band magnetism. 4) Clean energy production. 5) Thermochemical degradation of plant materials.
1) Cheaper olefins. 2) Unmasking elusive hydrogen. 3) Spintronic efficiency. 4) Cellulose breakdown.
Scientists and engineers at the Department of Energy’s Oak Ridge National Laboratory have received seven R&D 100 Awards presented by R&D Magazine.
A first of its kind combination of experiment and simulation at the Department of Energy’s Oak Ridge National Laboratory is providing a close-up look at the molecule that complicates next-generation biofuels.
What has made the Internet such a success could help change the way high-dollar and hazardous packages are tracked, according to Randy Walker of the Department of Energy’s Oak Ridge National Laboratory.
Budhendra Bhaduri and Sheng Dai of the DOE’s Oak Ridge National Laboratory have been named UT-Battelle corporate fellows in recognition of their outstanding contributions to their scientific and technical fields.
Neutron analysis of thermoelectric materials could spur the development of a broader range of products with the capability to transform heat to electricity.
1) Researchers are working alongside state troopers to test and validate screening technologies that can automatically detect problems as a vehicle enters the weigh station; 2) High-resolution subsurface exploration could get a boost with innovative approaches that take advantage of the underlying dynamics of atomic force microscopy; 3) Climate models still provide useful information that should be considered by civil engineers and planners making decisions about infrastructure.
With 125 solar-assisted electric vehicle charging stations to be built from Knoxville to Memphis, Tennessee is poised to lead the nation with an electric vehicle demonstration project led by the Department of Energy and industry partners.
Researchers at the Department of Energy’s Oak Ridge National Laboratory and the University of Tennessee have for the first time successfully characterized the earliest structural formation of the disease type of the protein that causes Huntington’s disease.
Billions of dollars lost each year as waste heat from industrial processes can be converted into electricity with a technology being developed at the DOE’s Oak Ridge National Laboratory.
Researchers at ORNL have achieved a friction-stir technology milestone. By applying the magnetic properties of iron nanodots to materials, a research team has overcome an obstacle to getting ultra-thin films to perform on par. An application and algorithm tweaked by ORNL researchers to dramatically increase a supercomputer’s functionality is providing researchers with the potential to solve problems faster. A study published in Advanced Functional Materials has revealed several mechanisms behind ferroelectric relaxors behavior.
With the creation of a 3-D nanocone-based solar cell platform, a team led by Oak Ridge National Laboratory's Jun Xu has boosted the light-to-power conversion efficiency of photovoltaics by nearly 80 percent.
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