Fig. 3
Microneedles deliver different dimensional nanomaterials for tissue repair. (A) GelMA MNs can deliver 0D MnO2 NPs to promote wound healing [42]. Copyright 2024, Elsevier. (B) Fe-IDA NWs adhere to MN for improved wound infection [46]. Copyright 2024, Wiley-VCH. (C) γ-PGA MNs encapsulating 2D nanomaterial MXene for wound treatment [48]. Copyright 2024, Elsevier. (D) 3D PCN-224 can sustain release DMOG after MN delivery [50]. Copyright 2023, Wiley‐VCH