fig7

Figure 7. (A) Anti-oxidative bioink for cartilage tissue engineering application. (B) Subcutaneous implantation in vivo. (a) Overall view of the sample before subcutaneous implantation and after subcutaneous implantation in mice for 4 weeks; (b) Histological staining, i.e., H&E, Safranin-O, and Collagen II staining, of samples implanted subcutaneously in mice for 4 weeks. (Reprinted from Chen et al.^[141] Copyright 2024 Journal of Functional Biomaterials.). MA: Methacrylate; GMA: glycidyl methacrylate; RTMA: methacrylate-modified rutin; SFGMA: silk fibroin-glycidyl methacrylate; DLP: digital light processing; 3D: three-dimensional; DMD: digital micromirror device; ROS: reactive oxygen species; H&E: hematoxylin-eosin; SO: safranin O; IHC: immunohistochemistry; COL: collagen.