Fig. 11From: Recent advance in bioactive hydrogels for repairing spinal cord injury: material design, biofunctional regulation, and applicationsInjectable ability of hydrogels: a Injectable thermosensitive PLEL/EVs hydrogel for SCI repair. Reprinted from Ref. [8], Copyright 2022, Elsevier. b Injectable SF/DA hydrogel for SCI repair. Reprinted from Ref. [123], Copyright 2020, ElsevierBack to article page