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By selectively applying different coatings, scientists have discovered they can influence the toxicity of particles on mouse cell lines from the lung and immune system. These findings, published in Langmuir, build on previous work that showed surface coatings can influence toxicity to bacteria. "The...
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 accele...
Molecular-level studies of tension wood formation in poplars could ultimately fuel the discovery of biomass crops with thicker cell walls, less lignin and more cellulose that can be converted into ethanol. While typical poplar woody biomass is composed of about 45 percent cellulose, tension wood cel...
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. One family member, Colicin N,...
Changing the behavior of a material isn't big magic? it's nanoscale chemistry. 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 nitri...
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. The story began in 2007 when Envi...
We now know that many serious diseases have genetic links that a geneticist can find by reading an individual’s genome─the DNA double helix where our organism’s hereditary information is encoded. Researchers know too that a particular protein protects our DNA, which is vulnerable to entanglement when its information is read and to attack from enzymes that damage the strands, making the code indecipherable.
Researchers at the Bio-SANS instrument at the High Flux Isotope Reactor (HFIR) used small-angle neutron scattering (SANS) to get a first insight into the conformation of single polyelectrolyte chains in large pieces of the synthetic complex. The research pursues applications for replacement of intervertebral discs in the spine and of knee cartilage.