Fight cancer with light-activated drug delivery by nanoparticle

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http://www.medicalnewstoday.com/articles/273450.php

Fighting cancer with light-activated drug delivery by nanoparticle

A new type of treatment called "light-activated drug delivery" is showing promise as a way to give doctors control over precisely where and when drugs are delivered inside the patient's body. Now, researchers have developed a light-activated way to target cancer cells without hurting healthy tissue by using drug-carrying nanoparticles.