The combination of graphene nanoribbons made with a process developed at Rice University and a common polymer could someday be of critical importance to healing damaged spinal cords in people, according to Rice chemist James Tour. The Tour lab has spent a decade working with graphene nanoribbons, starting with the discovery of a chemical process to "unzip" them from multi-walled carbon nanotubes, as revealed in a Nature paper in 2009.

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