Early in the COVID-19 pandemic, it was quickly established that the receptor binding domain (RBD) of the SARS-CoV-2 spike protein is a prime target for neutralizing antibodies. Now, scientists have found a second region of the spike protein that is targeted by dozens of antibodies, some of which exhibit ultrapotent neutralizing activity. Read more »
Key to Cleaner Combustion? Look to the Stars
Researchers made the first real-time, lab-based measurement of free radicals reacting under cosmic conditions, prompting elementary carbon and hydrogen atoms to coalesce into primal benzene rings. The findings are key to understanding how the universe evolved with the growth of carbon compounds and could also help the car industry make cleaner combustion engines. Read more »
Angelic Lucero, Accelerator Operator Specialist
Working at the ALS started out as a summer job in college for Angelic Lucero—and then she never left. She gives us a glimpse into all the details our operators need to monitor and talks about efforts to help new people at the Lab access resources. Read more »
EPSCoR Collaboration Fosters New Research and New Careers
The DOE Established Program to Stimulate Competitive Research (DOE EPSCoR) encourages partnerships between national labs and researchers in qualifying states and territories. An EPSCoR collaboration with researchers from Kentucky has resulted in an ALS highlight, career advancement for young scientists, and a larger, center-scale proposal. Read more »
New Tools Link Catalytic Activity to Nanoscale Transformations
Transitioning to a clean hydrogen economy will require cheaper, more efficient ways to split water molecules. To address bottlenecks in the water-splitting process, researchers developed a suite of advanced tools, including a liquid flow cell that enables electrochemical studies of catalysts under working conditions. Read more »
Heath Kersell, Ambient-Pressure X-Ray Photoelectron Spectroscopy Postdoc
Heath Kersell became interested in science as a way to uncover the fundamental building blocks for technologies that improve people’s lives. As an ALS postdoc, he’s researching catalysis and putting together mentorship circles for his fellow postdocs. Read more »
Graphene Outperforms Metal Junctions for 2D Semiconductors
Researchers found that graphene performs ten times better than metal in transmitting a photoinduced current across interfaces with 2D semiconductors. Nanoscale-resolution band-structure measurements provided a deeper understanding of charge transport in these systems and will help in engineering more efficient contacts. Read more »
To Design Truly Compostable Plastic, Scientists Take Cues From Nature
Researchers have designed an enzyme-activated compostable plastic that could diminish microplastics pollution and holds great promise for plastics upcycling. The material can be broken down to its building blocks—small individual molecules called monomers—and then reformed into a new compostable plastic product. Read more »
Meteorites Reveal Magnetic Record of Protoplanet Churn
Researchers detected the signatures of ancient magnetic fields imprinted in the ferromagnetic grains of meteorites that originated from the same parent body. The results, combined with radioisotopic dating of the samples, support an extended time frame for the cooling of molten protoplanetary cores. Read more »
The Spintronics Technology Revolution Could Be Just a Hopfion Away
Scientists have long treated skyrmions as merely 2D objects. Recent studies, however, have suggested that 2D skyrmions could actually be the genesis of a 3D spin pattern called hopfions. Now, a team of researchers has reported the first demonstration and observation of 3D hopfions emerging from skyrmions at the nanoscale in a magnetic system. Read more »
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