Light-activated 'lock' can control blood clotting, drug delivery

Scientists have shed new light -- literally -- on a possible way to starve cancer tumors or prevent side effects from a wide range of drugs.

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<p><a href="http://www.physorg.com/news157655203.html">Light-activated 'lock' can control blood clotting, drug delivery</a></p> <p>Scientists have shed new light -- literally -- on a possible way to starve cancer tumors or prevent side effects from a wide range of drugs.</p>