The actions of a protein used for DNA replication and repair are guided by electrostatic forces known as phosphate steering, a finding that not only reveals key details about a vital process in healthy cells, but provides new directions for cancer treatment research. Read more »
All News & Updates
What’s On Your Skin? Archaea, That’s What
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 »
A Closer Look at Dynamic Restructuring in Catalysts
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. Read more »
Reminder: Submit Nominations for the 2017 ALS User Meeting Awards
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 »
ALS Gives Intel a Closer Look at Microelectronic Packages
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. Read more »
2D Material’s Traits Could Send Electronics R&D Spinning in New Directions
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 »
Fine-Tuning Oxygen Vacancies with Coherent Strain
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, Physicist Postdoctoral Fellow
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 11.0.1.2, the Resonant Soft X-Ray Scattering (RSoXS) Beamline. Read more »
Study Sheds Light on How Bacterial Organelles Assemble
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 »
Protein Complex Shows Promise for Berkelium Separation
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 »
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