Design of Highly Porous Materials Based on Chitosan/Pectin Interpolyelectrolyte Complex for Wound Healing Application

Figure 2

Cross-sectional SEM images of Chit/AF-Pect (1 : 1) (a and d), Chit/AF-Pect (2 : 1) (b and e), and Chit/AF-Pect (5 : 1) (c and f) sponges. The molecular weight of chitosan was 30 kDa (a–c) and 1,200 kDa (d–f).