Table 5.

Chitosan (CS)-gelatin hydrogels.

CS	Gelatin	Crosslinking Agent	Tgel (°C)	tgel (s)	Drug	Ref.
2% w/v	0.2% w/v	β-GP	34.2 a	70.7 a	Latanoprost	[246]
1% w/w	3% w/w	EDC 1% w/v	-	-	Fluorescein	[249]
2.5% w/v	1% w/v	β-GP 0.8% w/v & genipin (100 μg/mL)	37	30–35 (from 25 °C)	Timolol maleate	[250]
1% w/v	0.5% w/v	Oxidized sucrose 0.15% w/v	-	-	Timolol maleate	[251]

β-GP: β-glycerolphosphate, EDC: 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride. ^a: latanoprost-loaded.