"MEDICAL: Thin-films hold promise for implantable pharmacies-on-a-chip"

Thin-films are enabling implantable pharmacies-on-a-chip that use electric fields to dispense drugs on-demand, rather than depend on patients remembering to take their meds. The implants could also be located directly at the site where they are needed; for instance, automatically dispensing cancer drugs at a surgery site when active circuitry on the chip senses that an excised tumor starts to regrow.
Text: http://www.eetimes.com/showArticle.jhtml?articleID=206504429