News tagged with scattering
Neutron scattering provides window into surface interactions
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.
Jan 17, 2012 |
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SANS tracks cell death protein invading biomimetic mitochondrial membrane
(PhysOrg.com) -- An international team of biochemists, biophysicists, and neutron scientists are using a combination of fluorescence and small-angle neutron scattering (SANS) techniques to assist biochemists ...
Dec 15, 2011 |
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Atoms dressed with light show new interactions, could reveal way to observe enigmatic particle
(PhysOrg.com) -- Scientists at the Joint Quantum Institute (JQI) have for the first time engineered and detected the presence of high angular momentum collisions between atoms at temperatures close to absolute ...
Dec 08, 2011 |
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Physicists find that an ultrahigh-energy proton looks like a black disk
(PhysOrg.com) -- What does a proton look like? The common answer to this question is that protons are much too small to scatter light, and since light is necessary for us to see things, protons do not “look” ...
Dec 08, 2011 |
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Ecological light scattering film for brand protection, packages and consumer products
Applications of the technology include the ability to label genuine brand products with a technical solution that is difficult to counterfeit. Printers can reduce the use of inks with this method, and advertising agencies ...
Nov 11, 2011 |
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Nanoparticle imaging: A resonant improvement
Raman spectroscopy is a powerful technique for analyzing atomic structure based on the inelastic scatter of light from molecules, with diverse applications including medical imaging and chemical sensing. Researchers ...
Nanotechnology / Bio & Medicine
Oct 28, 2011 |
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The Nanotechnology of Sundew and English Ivy
Fifteen small sundew plants perch on a window sill, collecting sunlight and eating meat in the lab of Mingjun Zhang on the University of Tennessee's Knoxville campus. Sundew plants are carnivores, consuming ...
Nanotechnology / Bio & Medicine
Oct 18, 2011 |
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Nanobelts support manipulation of light
(PhysOrg.com) -- They look like 2-by-4s, but the materials being created in a Rice University lab are more suited to construction with light.
Oct 14, 2011 |
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Light can detect pre-cancerous colon cells
After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary ...
Oct 11, 2011 |
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Scientists develop the most advanced computer model to-date of the scattering of polarized light from chiral molecules
(PhysOrg.com) -- An international research team has described the first calculations of Raman optical activity (ROA) spectra using coupled-cluster theory – one of the most reliable quantum chemical methods ...
Chemistry / Analytical Chemistry
Oct 04, 2011 |
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A new technique for understanding quantum effects in water
It covers over two thirds of our planet, is essential for life on Earth and its chemical formula is one of the few most people can name, but we still have much to learn about the structure of H2O. Now, scientists ...
Oct 03, 2011 |
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High-performance simulation, neutrons uncover three classes of protein motion
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 ...
Sep 30, 2011 |
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Industry and neutron science: Working to make a match
Industrial users are starting to eye the potential of neutron science for solving problems that can't be solved in any other way. At the same time, the Spallation Neutron Source and High Flux Isotope Reactor ...
Sep 22, 2011 |
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Neutron scattering confirms DNA is as stretchy as nylon
(PhysOrg.com) -- Neutron scientists at the Institut Laue-Langevin (ILL, France) have measured how fast sound travels along DNA to determine its ‘stiffness’. These findings help to explain how DNA folds, coils and ...
Sep 08, 2011 |
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ORNL neutrons, simulations reveal details of bioenergy barrier
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.
Jun 15, 2011 |
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