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Scientists Use Laser ‘Tweezers’ to Grab, Study Protein Droplets

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University at Buffalo physicists are using lasers to study proteins that cluster together to form spherical droplets inside human cells, shedding light on the conditions that drive such droplets to switch from a fluid, liquidy state to a harder, gel-like state. The research employed two innovative laser techniques to show how environmental conditions can affect droplets made from FUS or other related proteins. In one set of experiments, scientists used highly focused laser beams called optical tweezers to trap and push together two protein droplets floating in a liquid buffer...Read full article

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