Abstract
Psyllium polysaccharide is a bulk laxative and has been used for the treatment of constipation which is responsible for the diverticulitis. Ciprofloxacin is an antibiotic used for the microorganism infested in the diverticula. Hence, the functionalization of psyllium with polyvinyl alcohol (PVA) and poly(acrylamide) [poly(AAm)] will develop the drug delivery system (DDS) with potential for dual action for the treatment of diverticulitis, that is, by treating the constipation due to laxative action of psyllium and release of ciprofloxacin from DDS in controlled manner. The optimum conditions for the synthesis of hydrogels have been obtained as 42.21 × 10−2 mol/L of AAm, 3% (w/v) of PVA, 32.43 × 10−3 mol/L of N,N′-methylenebisacrylamide (NN-MBA), 17.53 × 10−3 mol/L ammonium persulfate, and 1 g of psyllium. The characterization of the hydrogels has been carried out by SEMs, EDAX, FTIR, and swelling studies. Swelling and drug release studies have also been carried out to determine the mechanism of swelling of hydrogels and drug release from the drug loaded hydrogels. The release of the drug from the hydrogels occurred through Fickian diffusion mechanism in pH 2.2 and pH 7.4 buffer.
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