Table 1.

Compositions of chitosan/poly(aspartic acid)-based hydrogels.

Sample	Chitosan [mL]	Aspartic Acid [mL]	Crosslinking Agent (a) [mL]	Photoinitiator (b) [mL]
0/30	0	30	4.8	0.25
30/0	30	0
15/15	15	15
20/10	20	10
10/20	10	20

^(a) diacrylate poly(ethylene glycol). ^(b) 2-hydroxy-2-methylpropiophenone, Darocur 1173.