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

Figure 2

Hydrogels of gelatin and pectin, with different oxidation levels, obtained after 24 h of cross-linking. The samples shown are (A) H.6.20 (6% HOP and 20% of gelatin), (B) L.6.20 (6% LOP and 20% of gelatin), (C) N.6.20 (6% NOP and 20% of gelatin), and (D) 0.20 solely gelatin (20% gelatin).