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

Table 4

Porosity and Sol-gel fraction analysis of different formulations.

Sample code	Degree of crosslinking EGDMA Mol (%)	Porosity (%)	Gel fraction (%)	Sol fraction %	value
HS1	0.70	13.11	90.70	9.30	0.047
HS2	0.70	19.02	94.93	5.07	0.041
HS3	0.70	22.98	95.90	4.10	0.005
HS4	0.70	9.27	87.89	12.11	0.049
HS5	0.70	11.50	91.93	9.07	0.005
HS6	0.70	17.34	93.01	6.99	0.05
HS7	0.25	24.66	90.66	9.34	0.043
HS8	0.50	20.10	92.23	7.77	0.047
HS9	1.0	12.54	94.17	5.83	0.046