Poly(lactic-co-glycolic) Acid/Nanohydroxyapatite Scaffold Containing Chitosan Microspheres with Adrenomedullin Delivery for Modulation Activity of Osteoblasts and Vascular Endothelial Cells
Figure 3
SEM images of PLGA/nHA scaffolds prepared without (a) and with (b) chitosan microspheres. The arrows show the chitosan microspheres in the scaffold.