Platelet-Derived Growth Factor-Functionalized Scaffolds for the Recruitment of Synovial Mesenchymal Stem Cells for Osteochondral Repair

Figure 1

(a) Schematic illustration of the preparation of the three-phase scaffold. (b) Custom mold for making scaffold. The profile (c) and vertical (d) appearance of scaffold.

(a)

(b)

(c)

(d)