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Metal‐free graphitic carbon nitride (g‐C3N4) as a newly emerging nanomaterial has been employed in the biomedical field because of its special optical and electrical characterizations. This review summarizes diverse methods for preparing g‐C3N4‐based materials, and discusses contemporary advancements in biosensors, photocatalytic sterilization, photodynamic therapy, drug carrier, and biological imaging. The biosafety and toxicity evaluations of g‐C3N4‐based materials are discussed as well. The review ends with an overview and several insights on the challenges and opportunities of g‐C3N4‐based nanomaterials in this burgeoning field. This review is expected to provide inspiration for developing future g‐C3N4‐based materials for the biomedical applications.
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Che et al. (2021) studied this question.
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