Synthesis and Characterization of Polycaprolactone-Based Polyurethanes for the Fabrication of Elastic Guided Bone Regeneration Membrane

Figure 7

(a) to (c) are the scanning electron micrographs of the MG63 cells on electrospun membranes made of different materials, including PCL, PCL-HDI- PEG (2 : 3 : 1), and PCL-HDI- EDA (2 : 3 : 1).

(a)

(b)

(c)