Highly Porous pH-Responsive Carboxymethyl Chitosan-Grafted-Poly (Acrylic Acid) Based Smart Hydrogels for 5-Fluorouracil Controlled Delivery and Colon Targeting

Table 1

Feed composition of Poly (CMCS-g-AA) hydrogels.

Sample code	CMCS/100 g solution	Acrylic acid/100 g solution	Degree of crosslinking EGDMA Mol (%)	(EGDMA)/100 g solution
HS1	1.25	25.45	0.70	0.178
HS2	1.25	32.72	0.70	0.229
HS3	1.25	40.00	0.70	0.280
HS4	1.20	29.09	0.70	0.203
HS5	1.40	29.09	0.70	0.203
HS6	1.60	29.09	0.70	0.203
HS7	1.60	32.72	0.25	0.065
HS8	1.60	32.72	0.50	0.196
HS9	1.60	32.72	1.0	0.327