An edible toothpaste-based transistor (IMAGE)

Istituto Italiano di Tecnologia - IIT

An edible toothpaste-based transistor

Caption

Several commercial toothpaste formulations contain crystals of copper phthalocyanine, a blue pigment that acts as a whitening agent. The research team integrated small amounts of this new ingredient as a semiconductor into an already tested recipe for building edible circuits. 

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IIT-Istituto Italiano di Tecnologia

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