It turns out your skin is crawling with single-celled microorganisms—and they’re not just bacteria. A study by Berkeley Lab and the Medical University of Graz has found that the skin microbiome also contains archaea, a type of extreme-loving microbe, and that the amount of it varies with age. ... Read more »
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Researchers have structurally and chemically “visualized” the surface of a silver–gold alloy as it reorganizes itself during catalytic activation. The insights gained from this methodology can lead to improved catalysts for energy-intensive industrial applications, thereby increasing efficiency and reducing waste.
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Nominations for the 2017 ALS User Meeting awards are due on July 14. Consider putting forward an individual (or team) who has made a significant contribution to the scientific and/or user support programs at the ALS. The online nomination forms are now on the UEC website together with a description of each award. ... Read more »
Intel, the world’s largest semiconductor chip maker, has been using the tomography capabilities at the ALS to image their microelectronic packages in 3D at high resolution with short throughput time, providing valuable information for both failure analysis and product development and proving that synchrotrons are an insightful tool for this type of imaging.
Working at the ALS, researchers have found another family of materials where they can both explore the physics of 2D topological insulators and do experiments that may lead to future applications. The material—known as 1T’-WTe2—bridges two flourishing fields of research: that of so-called 2D materials and topological materials. ... Read more »
Researchers have demonstrated a novel way to systematically strain-engineer oxygen vacancies in complex transition-metal oxide thin films. The work advances our ability to tailor such defects, small changes in which can lead to dramatic changes in material properties such as conductivity and magnetism. ... Read more »
Gregory Su is a postdoctoral fellow studying connections between chemistry, structure, and function in soft materials by combining experimental soft x-ray spectroscopy and scattering with ab initio calculations. Su has been at the ALS since March 2016 and works primarily with the scattering group at Beamline 220.127.116.11, the Resonant Soft X-Ray Scattering (RSoXS) Beamline. ... Read more »
Scientists are providing the clearest view yet of an intact bacterial microcompartment (BMC), revealing the polyhedral structure and assembly of this organelle’s protein shell. Having the full structure can help provide important information in fighting pathogens or bioengineering bacterial organelles for beneficial purposes. ... Read more »
Scientists found that the element berkelium breaks form with its heavy-element peers by taking on an extra positive charge when bound to a synthetic organic molecule. This property could help scientists develop better methods for handling and purifying nuclear materials. ... Read more »
Mars may have been a wetter place than previously thought, according to experiments on lab-synthesized mineral samples serving as proxies for Martian meteorites. Shock experiments followed by x-ray diffraction studies showed how changes in the minerals could indicate a more water-rich history for the Red Planet.
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