Research Article

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

Figure 1

Dynamic swelling coefficient () of all hydrogel samples (HS1-HS9) in various 0.05 M USP phosphate-buffered solutions at 37°C.