Biological Effect of Gas Plasma Treatment on CO₂ Gas Foaming/Salt Leaching Fabricated Porous Polycaprolactone Scaffolds in Bone Tissue Engineering

Figure 6

Cell morphology of the MC3T3-E1 cells grown on the PCL scaffolds for 24 h of culturing: (a) PCL, (b) PCL/O₂, and (c) PCL/N₂.

(a)

(b)

(c)