Two-dimensional nanomaterials have been widely explored by researchers due to their nanosized thickness and quantum size effect. They were layered double hydroxides, transition metal dichalcogenides, transition metal oxides, and synthetic silicate clays. Among the 2D nanomaterials, graphene and their derivatives were investigated extensively at first as they exhibited exceptional conductivity and a zero-band gap semimetal nature. Though graphene family nanomaterials (GFNs) were utilized for several physicochemical applications, including electronic, electric, mechanic, photonic, magnetic, and catalytic devices, their biomedical applications are still meritorious. Biosensor, bioimaging, drug delivery, tumor ablation, and tissue regeneration are some of them. The outlook of the present book chapters encompasses the preparation of GFNs, physicochemical properties, biomedical applications, biosafety, and their future directions.
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