Volume 92 Issue 15 | p. 24 | Concentrates
Issue Date: April 14, 2014

Drug Release In Hot Water

Near-infrared light heats water molecules inside polymer particles, triggering the tiny capsules to deliver payload
Department: Science & Technology | Collection: Life Sciences
News Channels: Nano SCENE
Keywords: drug delivery, polymers, nanoparticles, light activated, water, vibrational mode

To deliver drugs at a certain time and place inside the body, scientists have been developing tiny particles that release their cargo when triggered by infrared light. Capable of penetrating human tissue, this light heats metals or activates designer photosensitive polymers at a particle’s core to set off delivery. Looking for a release mechanism that’s less reliant on a particle’s composition, a research team at the University of California, San Diego, has for the first . . .

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