Bioscientists Junko Yano, Vittal Yachandra, and Jan Kern led a multi-institutional collaboration to develop and demonstrate a novel Acoustic Droplet Ejection-“Droplet on Tape” method of sample delivery for free electron laser experiments. The study, which was published yesterday in Nature Methods, describes the techniques that were deployed at SLAC’s Linac Coherent Light Source.
X-rays Capture Unprecedented Images of Photosynthesis in Action
An international team of scientists is getting closer to discovering how plants split water during photosynthesis and produce nearly all of the oxygen in our atmosphere. Thanks to unprecedented, atomic-scale images of a protein complex found in plants, algae, and cyanobacteria captured by ultrafast X-ray lasers, researchers conducted atomic-level experiments to help delineate the mechanism of this system that also yields the protons and electrons used to reduce carbon dioxide to carbohydrates later in the photosynthesis cycle. The effort to uncover the secrets of this protein complex, photosystem II, was led by Vittal Yachandra and Junko Yano in the Molecular Biophysics & Integrated Bioimaging (MBIB) Division and the team’s findings were published this week in Nature.
New Catalysts Can be Fine Tuned; Could Replace Precious Metals
Scientists at MIT and Berkeley Lab have developed a new type of catalyst that can be tuned to promote desired chemical reactions, potentially enabling the replacement of expensive and rare metals in fuel cells. Carbon is used as the primary material for electrodes in batteries and fuel cells, and the new catalyst is carbon-based, containing … Read more »
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