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Schematic representation of carbon-based nanomaterials that, due to their unique properties, have shown potential applications in the treatment and diagnosis of stroke: fullerene (hollow sphere of carbon atoms in sp2 hybridization); carbon nanotube (tubular structure of carbon atoms in sp2 hybridization); and graphene (single layer of carbon atoms arranged in a hexagonal lattice in sp2 hybridization). Reprinted (adapted) with permission from Hong et al. (2015).
