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There’s a biological battery in your ear

November 10, 2012

Your inner ear may generate enough energy to power an electronic device thanks to the endocochlear potential (EP), effectively a biological battery. A team with affiliations to Harvard and MIT implanted an electronic chip with a radio transmitter into the ear of a guinea pig. The chip extracted 1.12 nW (nanowatts) for up to 5 hours from the guinea pig’s ear. In a letter published in nature.com, they said “With future optimization of electrode design, we envision using the biologic battery in the inner ear to power chemical and molecular sensors, or drug-delivery actuators for diagnosis and therapy of hearing loss and other disorders”. For more, you can read the New Scientist article here.

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From → Singularity

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