This chip is a pill

  May 26, June 2, 2008
The humble medicinal pill is getting a high-tech update.

The new polymer microdevice releases multiple drugs in a controlled fashion after it's swallowed. It releases drugs over time and in one direction, which concentrates the drug where it's needed and potentially minimizes side effects. The device delivered 10 times as much of its payload to a layer of cells in a test tube than a gel loaded with the drug. The device could improve cancer treatments.

Research paper:
Microfabrication of an Asymmetric, Multi-layered Microdevice for Controlled Release of Orally Delivered Therapeutics
Lab on a Chip, published online May 16, 2008

Researcher's homepage:
Tejal A. Desai

Related stories and briefs:
Tiny drug capsules shine (microcapsules that can be tracked)

Back to TRN May 26, June 2, 2008

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