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Laser-Controlled Switch Turns Blood Clotting On, Off

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CAMBRIDGE, Mass., July 26, 2013 — Laser-controlled gold nanoparticles that release DNA molecules to switch blood clotting on and off could help doctors better control blood clotting in patients undergoing surgery, or promote wound healing. Natural blood clotting is produced by a long cascade of protein interactions, culminating in the formation of fibrin, a fibrous protein that seals wounds. Surgery, wound healing and other conditions require manipulation of this process, typically through the use of anticoagulants such as heparin and warfarin. Administering blood thinners reduces clotting, but reversing their effects...Read full article

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    Published: July 2013
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    continuous wave lasersAmericasBiophotonicsblood clottingblood thinnersblood-clotting cascadeDNADNA payloadfibrinfibrinogengold nanoparticlesKimberly Hamad-Schifferlilaser-controlled nanoparticlesLasersMassachusettsMITnanoResearch & Technologythrombin

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