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In Fruit-Fly Gut, Bacterial Niche Gets Remodeled for New Arrivals

Researchers found that fruit flies have a specialized niche in their digestive tracts that selects, maintains, and controls bacteria that benefit the fly. Colonization by one type of bacteria physically remodels the niche, promoting secondary colonization by unrelated bacteria. The results will help dissect the mechanisms of host-microbe symbiosis. Read more »

Plant Enzyme Builds Polymers That Fortify Cell Walls

With data obtained at the ALS, researchers gained insight into how an enzyme orchestrates the synthesis of a pectin polymer that imparts strength and flexibility to plant cell walls. The work could lead to improved biofuel production and guide the design of polymers with tailored functionalities for industrial or biomedical applications. Read more »PPT-icon-35 PDF-icon-35

Synergistic Effect Could Boost Production of Green Hydrogen

Researchers developed a composite material of earth-abundant elements that catalyzes the production of green hydrogen much more effectively than similar homogeneous compounds. The composite could potentially be used for efficient hydrogen generation without the need for rare and precious metals like platinum. Read more »

Kristin Carrillo, Senior Material Specialist

Kristin Carrillo’s many tasks around the ALS may be a divergence from her degree in psychology and her previous life as a softball player, but the connecting thread is the relationships she’s developed with the people around her. Find out more about her work as a material specialist and how she supports the scientific mission of the ALS. Read more »

Spiraling Beams Differentiate Antiferromagnetic States

Using spiraling x-ray beams, researchers differentiated between energetically equivalent (“degenerate”) states in an antiferromagnetic lattice. The work shows the potential of these beams to probe properties that would otherwise be inaccessible, to better understand phenomena of fundamental interest and for applications such as spintronics. Read more »PPT-icon-35 PDF-icon-35

Increasing the Energy Density of Hybrid Supercapacitor Electrodes

Hybrid supercapacitors (HSCs) integrate the merits of batteries with those of supercapacitors. However, the fraction of active material in HSC electrodes has remained too low for commercial requirements. Now, researchers have found a clever way to increase the active-mass ratio to achieve dramatic improvements in key measures. Read more »

Probing Walls between Electrically Polarized Domains

Researchers used infrared light to investigate the properties of the domain walls that separate electrically polarized (ferroelectric) regions in a rare-earth ferrite material. An understanding of domain-wall behavior is relevant to the development of advanced logic and memory applications for ultralow-power digital devices. Read more »PPT-icon-35 PDF-icon-35