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Home > News > Nanoparticles advance light-activated cancer therapy

February 20th, 2007

Nanoparticles advance light-activated cancer therapy

Abstract:
Photodynamic therapy (PDT) is a powerful approach for destroying tumors, one that uses light and a light-sensitive chemical to rapidly kill cells. Unfortunately, PDT is associated with significant side effects that largely result from the fact that light-sensitive chemicals, or photosensitizers, distribute themselves throughout the body and thus can damage healthy as well as malignant cells. Another limitation arises because the frequency of light needed to excite the photosensitizers can only pass through a few millimeters of skin.

Source:
nanowerk.com

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