Graphene brain implants.

A team of researchers from Technische Universität München (TUM) and the Jülich Research Center published results in the journal Advanced Materials that demonstrated work on a graphene-based transistor array that is capable of recording the electrical signals of the living biological cells on which it is placed. According to a statement, so-called bioelectronic applications have been proposed that would place sensors and, in some cases, actuators inside a person’s brain, eye, or ear to help compensate for neural damage.

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