In a recent study at the ALS, researchers employed an approach that combines two techniques and uses a single X-ray beam to capture both chemical and structural changes in nanopatterned ceria during catalytic reactions. Read more »
ALS Work Using Scattering/Diffraction
These techniques make use of the patterns of light produced when x-rays are deflected by the closely spaced lattice of atoms in solids and are commonly used to determine the structures of crystals and large molecules such as proteins.
Multiscale X-Ray Measurements Reveal How Stretchable Polymer Semiconductors Dissipate Stress
Using multimodal, in situ measurements at the ALS, researchers uncovered a two-stage process for how stretchable polymer semiconductors adapt their structure during stretching. The findings establish a multiscale design framework for conjugated polymers used in stretchable electronic devices. Read more »
A New Framework for Designing Synthetic Enzymes
Researchers engineered protein-like polymers that replicate complex enzyme functions. This work, which was verified using X-ray characterization techniques at the ALS, offers a cost-effective, scalable approach that paves the way for functional materials in biomedicine, energy, and manufacturing. Read more »
Disrupting Cancer’s Broken Molecular Switch
Researchers identified a compound that disrupts a hard-to-target tumor growth pathway in breast, lung, and other cancers and used the ALS to characterize the chemical interactions critical to its potency. This work contributed to the development of a similar compound currently undergoing clinical trials in cancer patients, and informs hypotheses for designing better drug candidates. Read more »
How Zinc Alters Mineral Structure in Early Arthritis
Using high-resolution x-ray techniques, researchers from UCSF, the ALS, and SSRL uncovered structural evidence that zinc subtly alters bone mineral in vulnerable joint regions, revealing early changes that may explain how arthritis begins and progresses. Read more »
Dynamic Surface Restructuring in Ag–Cu Boosts CO2 Conversion
Multimodal in situ x-ray experiments at the ALS revealed how copper–silver nanoparticle catalysts evolve during CO2 photoreduction. The findings, which demonstrate dynamic catalyst restructuring at the atomic level, provide crucial insights for enhancing the selectivity and efficiency of CO2 conversion into high-value chemicals. Read more » 
Building Materials from the Nanocrystal Up
Researchers used the Advanced Light Source to clarify how an unusual intermediate state accelerates the transformation of nanocrystals into a superlattice during a two-step process with fewer defects than a one-step process. Read more »
X-Rays Shed Light on Possible New Treatments for TB
Using ALS beamlines, a new study revealed how CMX410 inhibits Pks13, a cell wall enzyme in Mycobacterium tuberculosis, the bacterium responsible for tuberculosis. CMX410 is effective against drug-sensitive and drug-resistant strains of the bacterium and has been proven safe in multiple animal models of infection. Read more »
Nematic Magnetic Helices Fluctuate at Different Tempos
During a series of experiments at the ALS, researchers identified helical magnetic spins that fluctuate at different time scales during a phase transition as a function of temperature in a nematic iron germanium thin film. The results provide a framework for characterizing exotic phases, which may have interesting optical and transport properties for microelectronics and spintronics. Read more »
Characterizing Membrane Fouling with Operando Experiments
Membrane filtration offers a cost-effective, energy-efficient approach to purify and desalinate water, but fouling limits the performance of these devices. A new study explored the new experimental design that allows one to study the dynamic fouling process in real time to improve the field’s understanding of how materials deposit, accumulate, and/or crystallize on the membrane’s surface. Read more »
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