FIGURE 5.

(A) (I, II) SEM images of prepared hydrogels without (I) and with (II) silk microfibers; (III, IV) live/dead images of cells cultured on the prepared hydrogels without (III) and with (IV) silk microfibers. ¹¹³ (Reproduced with permission: Copyright 2015, Elsevier). (B) Schematic of the fabrication process and application of silk fibroin hydrogel. ¹¹⁴ (Reproduced with permission: Copyright 2022, The Authors, published by Elsevier). (C) (I) Sketch of 3D printing process based on GMA‐modified silk fibroin hydrogels; (II) Histological detection of cartilage tissue treated with cell‐laden silk fibroin hydrogel. ²⁸ (Reproduced with permission: Copyright 2020, Elsevier). GMA, glycidyl methacrylate; SEM, Scanning electron microscope.