Fig. 2. SEM images displaying the surface morphology and microporous nature of (a) PSH + KER, (b) PSH + KER + 0.5% MOR, and (c) PSH + KER + 1% MOR scaffolds; SEM images showing the cross-sectional appearance of (d) PSH + KER, (e) PSH + KER + 0.5% MOR, and (f) PSH + KER + 1% MOR scaffolds.