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

Figure 2

SEM image of porous structure of the scaffold ((a) ) and the gradual porous structure of cartilage phase ((b) ), interface layer ((c) ), and bone phase ((d) ). Pore size distribution of cartilage phase (e), interface layer (f), and bone phase (g) under nanomeasure.

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