With funding from DOE for a two-year pilot program, scientists from the five light sources have formed a Data Solution Task Force that will demonstrate, build, and implement software, cyberinfrastructure, and algorithms that address universal needs between all five facilities. These needs range from real-time data analysis capabilities to data storage and archival resources. Read more »
77Se NMR Probes the Protein Environment of Selenomethionine
Sulfur is critical for protein structure and function but lacks a sensitive isotope for nuclear magnetic resonance (NMR) experiments. This can be circumvented by substituting sulfur with selenium, which has an NMR-compatible isotope (77Se). To enable interpretation of the NMR data, the structures of five of protein variants were solved by x-ray crystallography to a resolution of 1.2 Å. Read more »
Turning Up the Heat on Antibacterial-Resistant Diseases
Scientists have designed a biocompatible polymer that has the potential to advance photothermal therapy, a technique that deploys near-infrared light to combat antibacterial-resistant infections and cancer. The team synthesized the polymer by stringing together small molecules called ionic azaquinodimethanes, which they characterized at the ALS. Read more »
New Catalyst Resists Destructive Carbon Buildup in Electrodes
Key challenges in the transition to sustainable energy can be met by converting CO2 to CO through the use of solid oxide electrolysis cells. But because these can suffer from carbon deposition at the electrodes, researchers have now identified and tested a new, cerium oxide–based catalyst that is more resistant to carbon buildup. Read more »
Molecular Handle Enables Viral Attack on Joint Cells
A collaboration of university and industry researchers used x-ray crystallography to investigate how the chikungunya virus, which can cause debilitating joint pain, engages a receptor protein found on the surfaces of joint cells. The work provides a path forward in the fight against a family of viruses that can result in acute and chronic arthritis. Read more »
Crystallography Reveals How New Molecular Cages Trap Toxic Gases
Current technologies for reducing toxic gas emissions are often ineffective and wasteful. Crystallographic analyses of two new MOF materials revealed how they reversibly bind their target gases, enabling the materials to be reused over many cycles (reducing waste) and permitting subsequent conversion of the gases into valuable chemical products. Read more »
ALS in the News (January 2020)
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- First detailed electronic study of new nickelate superconductor
- Influential electrons? Physicists uncover a quantum relationship
- Jennifer Doudna awarded 2020 Wolf Prize in Medicine
- New discovery makes it easier to design synthetic proteins that rival their natural counterparts
- Milestone in Advanced Light Source Upgrade Project will bring in a new ring
- The superpowers of super-thin materials
- Unique cancer drug discovered with help from Advanced Light Source begins historic clinical trial
- Scientists discover how proteins form crystals that tile a microbe’s shell
- MIT researchers realize “ideal” kagome metal electronic structure
- Freeze frame: Scientists capture atomic-scale snapshots of artificial proteins
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The Choreography of Quantum Dot Fusion
X-ray scattering experiments helped reveal how nanosized crystals (“quantum dots”) self-assemble and fuse to form “supercrystals” with potentially useful electronic properties. The findings provide new insight into the fabrication of high-performance, low-cost electronic materials for photovoltaic and photon-sensing applications. Read more »
Milestone in Advanced Light Source Upgrade Project Will Bring in a New Ring
On Dec. 23, the ALS upgrade (ALS-U) project received CD-3a approval, which authorizes an important release of funds for purchasing equipment and formally approves the start of construction on the accumulator ring. Read more »
Unique Cancer Drug Discovered With Help From Advanced Light Source Begins Historic Clinical Trial
Errors in the KRAS gene, which encodes a crucial cell-signaling protein, are one of the most common causes of cancer. Seeking to develop a long-sought direct inhibitor, researchers at Amgen conducted x-ray crystallography of KRAS(G12C) proteins at the ALS. The high-resolution structural maps helped Amgen make the breakthrough discovery of a small pocket on the molecule. Read more »
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