Medical Devices Powered by the Patient’s Own Heart


A single zinc oxide nanowire can be attached to a heart, where it produces electric current as it bends with every beat.

A tiny, nearly invisible nanowire can convert the energy of pulsing, flexing muscles inside a rat’s body into electric current, researchers at Georgia Institute of Technology have shown. Their nano generator could someday lead to medical implants and sensors powered by heartbeats or breathing.


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