Table 2.

The codes and the NH₂/CHO molar ratios used for hydrogels obtaining.

Sample code	mchitosan (mg)	Vacetic acid aq. sol. (mL)	mcitral (mg)	Vethanol (mL)	Vwater (µL)	m5FU (mg)	Gelation time (min)	mdried substance (mg)	mxerogel (mg)	Yield (%)
CFU1	60	2	48.5	4.85	200	39	0	147.5	146.8	99.5
CFU2	60	2	24.03	2.4	200	39	2	123.03	122.85	99.8
CFU3	60	2	16	1.6	200	39	10	115	114.2	99.3
CFU4	60	2	12	1.2	200	39	1440	111	110.35	99.4
CC1	60	2	48.5	4.65	200	–	5	108.5	107.85	99.4
CC2	60	2	24.03	2.2	200	–	20	84.03	83.01	98.7
CC3	60	2	16	1.4	200	–	70	76	75	98.6
CC4	60	2	12	1	200	–	1440	72	71.2	98.8