Research Article

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

Figure 3

The appearance of scaffold treated (a) without and (b) with polydopamine and (c) in vitro release profiles of PDGF from HSP-1 and HSPP scaffold.
(a)
(b)
(c)