Figure 11: Optical microscope image showing the secretion of extracellular matrix by osteogenic differentiation of ADSCs using Alizarin red staining on day 15 (a-e) on TCP (a), PCL (b), PCL/SF (c), PCL/SF/AA (d) and PCL/SF/ AA/DM (e) micro/nanoparticles at 10 X magnification.