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Implantable Device Offers Vision, Drug Delivery
The Scientist 2004, 18(18):38
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Using live cells arrayed on a chip, a Stanford University team has prototyped an implantable silicon wafer designed not only to improve sight in macular degeneration patients, but also to dispense drugs and collect fluid samples inside the body.[1]
The implant, now in development, will be nearly 2.5 cm in diameter, 10 microns thick, and honeycombed with hundreds of microchannels, which will dispense neurotransmitters either from onboard stores or a tiny reservoir implanted nearby.
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