Abstract
The present article discusses the synthesis, characterization and haemocompatibility behaviour of the psyllium-PVA hydrogels prepared by chemical method in the presence of N,N′-methylenebisacrylamide. These hydrogels have been characterized by Fourier Transform infrared spectroscopy, thermo gravimetric analysis, swelling and drug release studies. The release of model drug rabeprazole sodium from the drug loaded hydrogels occurred through non-Fickian diffusion mechanism. Psyllium itself acts as anti-ulcer agent and release of rabeprazole from the drug loaded hydrogels may enhance the curing potential of the drug delivery device. The haemocompatibility was evaluated by studying the blood interactions with hydrogels with reference to thrombogenicity and haemolytic potential. Thrombogenicity results indicate that hydrogels are non-thrombogenic as the weight of clot formed and thrombus percentage for hydrogels was less than the positive control. The haemolytic index has been observed <5%. These observations indicate that these hydrogels are haemo-compatible and hence could be used for oral administration of antiulcer drugs.
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Authors wish to thanks the University Grant Commission-New Delhi–India for providing the financial assistance for this work (UGC Sponsored Project [F. No. 33-273/2007 (SR)], dated 28th February 2008).
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Singh, B., Lal, H., Pal, L. et al. In vitro release profile of anti-ulcer drug rabeprazole from biocompatible psyllium-PVA hydrogels. J Mater Sci: Mater Med 23, 1021–1032 (2012). https://doi.org/10.1007/s10856-012-4582-x
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DOI: https://doi.org/10.1007/s10856-012-4582-x