A time-resolved diffraction study conducted at the ALS revealed mechanistic insight into a multi-step chemical reaction for the economical production of aluminum–cerium alloy, a high-performance material with superior temperature stability. The results provide crucial information for the application of the method on an industrial scale. Read more »
Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro- to nano-scale
The work reported here addresses the question of how the organic matter (OM) in the Hayabusa2 samples compares and contrasts with OM from primitive carbonaceous chondrites, as observed primarily by transmission electron microscopy in concert with other microanalytical techniques. Read more »
Strategic ALS Projects Reach Key Milestones
Thanks to the hard work and dedication of multidisciplinary teams from groups across the ALS, a spate of important milestones occurred over the past month, for projects involving the new QERLIN beamline, the MERLIN beamline upgrade, and a new chamber for computer-chip metrology in Sector 12. Read more »
Converting N2 into Usable Form under Ambient Conditions
Researchers learned how molecular structure relates to function in catalysts that convert atmospheric nitrogen into more usable forms at room temperature and pressure. The work could lead to greater energy efficiency in producing nitrogen-based products such as fertilizer where large-scale industrial processes are unfeasible. Read more »
Stabilizing Pristine α-Sn Thin Films for Topological Investigation
Researchers developed a recipe for the room-temperature stabilization of thin films of α-Sn, a form of elemental tin that exhibits a variety of topologically nontrivial phases, but only at low temperatures. By dramatically reducing contamination from the film’s substrate, the recipe greatly simplifies electronic structure studies. Read more »
ALS in the News (July 2024)
Caught in the Actinium
In this work, researchers demonstrated a macromolecular scaffold that combines an 8-coordinate synthetic ligand and a mammalian protein to characterize the solution and solid-state behavior of the longest-lived actinium isotope. The information could help design better cancer treatments. Read more »
Engineered π⋯π interactions favour supramolecular dimers X@[FeL3]2(X = Cl, Br, I): solid state and solution structure
Intermolecular interactions drive the formation of biological supramolecular architectures, inspiring the design of artificial supramolecular assemblies and molecular machines. Here, the engineering of supramolecular interactions allows selection of a self-recognition process of dimerization over one of helicate-cage formation. Read more »
ALS in the News (June 2024)
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- With x-ray analysis, an asteroid provides a view into our solar system’s past
- Getting up close and personal with…rocks?
- Scientists squeezed infrared light down to 10% of its wavelength. That’s simply incredible.
- Metal alloys that can take the heat
- University of Manchester scientists win prestigious Royal Society of Chemistry Prizes
- Reichel, Shapoval participate in Oakland Unified School District STEM fair
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Time-Resolved SAXS Screen of Small-Molecule Drug Candidates
Time-resolved, high-throughput, small-angle x-ray scattering improved the screening of small-molecule drug candidates, providing insight into how they stimulate structural transitions in protein targets. The work will speed the discovery of treatments designed to activate biomolecular dynamics associated with desired therapeutic outcomes. Read more »
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