The Tiniest Test Kits: A Medical Future for Carbon Nanotubes?
Tiny, implantable devices filled with carbon nanotubes may someday help diabetics monitor glucose levels without drawing blood. Researchers hope that nanotubes--thanks to their strength, conductivity and light-emitting properties--will lend themselves to a range of similar "biosensing" applications.
Credit: Michael Strano, University of Illinois at Urbana-Champaign
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