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13 Apr 2011

Taming Photosensitive Chemicals to Deliver Drugs

Researchers believe they've solved the problem with an optical fiber-based device that can deliver tiny amounts of the chemicals to internal organs with pinpoint accuracy.

Photosensitive chemicals are molecules that release single oxygen atoms and radicals when they're hit with light. According to Peter Rentzepis, a chemistry professor at the University of California, the radicals are a rowdy bunch and can rip apart and destroy bacteria.
 

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