Auto-Cross-Linking Hydrogels of Hydrogen Peroxide-Oxidized Pectin and Gelatin for Applications in Controlled Drug Delivery

Figure 11

Scanning electron micrographs of hydrogels at 1K resolution. The samples used for this analysis were (a) 0.20 solely gelatin (20% gelatin), (b) H.6.20 (6% HOP and 20% of gelatin), (c) L.6.20 (6% LOP and 20% of gelatin), and (d) N.6.20 (6% NOP and 20% of gelatin).

(a)

(b)

(c)

(d)