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University of Florida: Light-Activated 'Lock' Can Control Blood Clotting, Drug Delivery


3/31/2009 9:10:24 AM

EurekAlert -- Scientists have shed new light -- literally -- on a possible way to starve cancer tumors or prevent side effects from a wide range of drugs. A lock-like molecule designed by University of Florida chemistry researchers clasps or unclasps based on exposure to light. In laboratory tests, the chemists put the lock on an enzyme involved in blood clotting. They then exposed the enzyme to visible and ultraviolet light. The clasp opened and closed, clotting the blood or letting it flow.

Read at EurekAlert!


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