By assembling antimicrobial peptides onto graphene, the researchers showcase bioselective detection of bacteria at single-cell levels. The inclusion of a resonant coil removes the requirement for onboard power and external connections. This combination results in a two-tiered interfacing of peptide-graphene nanosensors with biomaterials. The study specifically demonstrates the integration of this sensing platform onto a tooth for remote monitoring of respiration and bacteria detection in saliva. Overall, this novel approach of interfacing graphene nanosensors with biomaterials provides a versatile method for the widespread detection of biochemical targets.