Fig. 6.
The biomaterials respond to physical signals for cartilage treatment. (A) Schematic representation of tissue batteries formed by combining TENG sensors and porous 3D smart scaffolds for cartilage therapy. Reproduced with permission [87]. Copyright 2023, Elsevier. (B) Schematic representation of the synthesis of triblock copolymer thermal polypeptide hydrogels with different proportions of alanine and phenylalanine to promote cartilage regeneration. Reproduced with permission [94]. Copyright 2018, Elsevier. (C) Schematic diagram of near-infrared light-sensitive composite nanomaterials for cartilage protection and regeneration. Reproduced with permission [95]. Copyright 2022, Elsevier. (D) Schematic illustration of the synthesis of WY-CMC-MnOx nanoparticles, and their application in magnetic resonance (MR) imaging and cartilage repair. Reproduced with permission [96]. Copyright 2022, Elsevier.