Figure 1.
Representative scanning electron micrographs of the different scaffolds. (A) PCL scaffold electrospun from 18 wt.% PCL in THF/DMF 9:1 (voltage, 35 kV); spinning distance, 25 cm; nozzle, 0.2 mm. (B) PCL scaffold electrospun from 16 wt.% PCL in THF/DMF 9:1 (voltage, 27 kV); spinning distance, 35 cm; nozzle, 0.2 mm. (C) PCL scaffold electrospun from 18 wt.% PCL/0.18 wt.% Pluronics F 68 (voltage. 35 kV); spinning distance, 25 cm; nozzle, 0.2 mm. (D) PCL scaffold electrospun from 18 wt.% PCL/1.44 wt.% PBS (voltage, 25 kV); spinning distance, 25 cm; nozzle, 0.2 mm.