Biodegradable Hydrogels Based on Alginate For Control Drug Delivery Systems

Abstract

In this work, synthesis and swelling behavior of a super absorbent hydrogel based on alginate and polyacrylamide (PAAm) was investigated.the structure of the product was established using FTIR and SEM spectroscopies.The alginate-polyacrylamide hydrogel exhibited a pHresponsive swelling-deswelling behavior at pH's 3 and 9.This on-off switching behavior provides the hydrogel with the potential to control delivery of bioactive agents.