Development of Novel Interpenetrating Network Gellan Gum-Poly(vinyl alcohol) Hydrogel Microspheres for the Controlled Release of Carvedilol

References

• Agnihotri, S. A., & Aminabhavi, T. M. (2004a). Formulation and evaluation of novel tableted chitosan microparticles for the controlled release of clozapine. Journal of Microencapsulation, 21, 709–718., [PUBMED], [INFOTRIEVE], [CSA]
   PubMed Web of Science ®Google Scholar
• Agnihotri, S. A., & Aminabhavi, T. M. (2004b). Controlled release of clozapine through chitosan microparticles prepared by a novel method. Journal of Controlled Release, 96, 245–259., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Agnihotri, S. A., Jawalkar, S. S., & Aminabhavi, T. M. (2005). Controlled release of cephalexin through gellan gum beads: effect of formulation parameters on entrapment efficiency, size and dry release. European Journal of Pharmaceutics and Biopharmaceutics, , In press.
   Web of Science ®Google Scholar
• Baker, R. W., & Lonsdafsle, H. K. (1974). Controlled release: mechanisms and rates. In: A. C. Tanquarry, & R. E. Lacey (Ed.), Controlled Release of Biologically Active Agents (pp. 15–71). New York: Plenum Press.
   Google Scholar
• Bristow, G. M., & Watson, W. F. (1958). Cohesive energy density of polymers. I. cohesive energy densities of rubbers by swelling measurements. Transactions of the Faraday Society, 54, 1731–1741., [CROSSREF]
   Google Scholar
• (2004). British Pharmacopoeia, (2004). Vol. 1. Carvedilol Monograph, London: The Stationary Office, 361–362.
   Google Scholar
• Chandy, T., Wilson, R. F., Rao, G. H., & Das, G. S. (2002). Changes in cisplatin delivery due to surface-coated poly(lactic acid)-poly(epsilon-caprolactone) microspheres. Journal of Biomaterials Applications, 16, 275–291., [PUBMED], [INFOTRIEVE], [CSA]
   PubMed Web of Science ®Google Scholar
• Corradini, E., Pineda, E. A. G., & Hechenleitner, A. A. W. (1999). Lignin-poly (vinyl alcohol) blends studied by thermal analysis. Polymer Degradation and Stability, 66, 199–208., [CROSSREF]
   Web of Science ®Google Scholar
• Crank, J. (1975). The Mathematics of Diffusion (2nd Ed.) Oxford: Clarendon.
   Google Scholar
• Ebube, N. K., & Jones, A. B. (2004). Sustained release of acetaminophen from a heterogeneous mixture of two hydrophilic non-ionic cellulose ether polymers. Internation Journal of Pharmaceutics, 272, 19–27., [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Flory, P. J. (1953). Principles of Polymer Chemistry. Ithaca, NY: Cornell University.
   Google Scholar
• Jansson, P. E., Lindberg, B., & Sandford, P. A. (1983). Structural studies of gellan gum an extracellular polysaccharide elaborated by Pseudomonas Elodea. Carbohydrate Research, 124, 135–139., [CROSSREF]
   Web of Science ®Google Scholar
• Kang, K. S., Veeder, G. T., Mirrasoul, P. J., Kaneko, T., & Cottrell, I. W. (1982). Agar-like polysaccharide produced by Pseudomonas species: production and basic properties. Applied and Environmental Microbiology, 43, 1086–1091., [CSA]
   PubMed Web of Science ®Google Scholar
• Kulkarni, A. R., Soppimath, K. S., Aminabhavi, T. M., & Rudzinski, W. E. (2001). In vitro release kinetics of cefadroxil-loaded sodium alginate interpenetrating network beads. European Journal of Pharmaceutics and Biopharmaceutics, 51, 127–133., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Kumbar, S. G., Dave, A. M., & Aminabhavi, T. M. (2003). Release kinetics and diffusion coefficients of solid and liquid pesticides through interpenetrating network beads of guar gum-grafted-poly(acryl amide) with sodium alginate. Journal of Applied Polymer Science, 90, 451–457., [CROSSREF]
   Web of Science ®Google Scholar
• Kuo, M. S., Mort, A. J., & Dell, A. (1986). Identification and location of L-glycerate an unusual acyl substituent in gellan gum. Carbohydrate Research, 156, 173–187., [CROSSREF]
   Web of Science ®Google Scholar
• Kurkuri, M. D., & Aminabhavi, T. M. (2004). Poly(vinyl alcohol) and poly(acrylic acid) sequential interpenetrating network pH sensitive microspheres for the delivary of diclofenac sodium to the intenstine. Journal of Controlled Release, 96, 9–20., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• McTavish, D., Campoli-Richards, D., & Sorkin, E. M. (1993). Carvedilol: a review of its pharmacodynamic and pharmacokinetic properties, and therapeutic efficacy. Drugs, 45, 232–258., [PUBMED], [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Mi, F. L., Shyu, S. S., Lin, Y. M., Wu, Y. B., Peng, C. K., & Tsai, Y. H. (2003). Chitin/PLGA blend microspheres as a biodegradable drug delivery system: a new delivery system for protein. Biomaterials, 24, 5023–5036., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Miyazaki, S., Aoyama, H., Kawasaki, N., Kubo, W., & Attwood, D. (1999). In situ-gelling gellan formulations as vehicles for oral drug delivery. Journal of Controlled Release, 60, 287–295., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Miyazaki, S., Kawasaki, N., Kubo, W., Endo, K., & Attwood, D. (2001). Comparison of in situ gelling formulations for the oral delivery of cemetidine. International Journal of Pharmaceutics, 220, 161–168., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Peppas, N. A., & Wright, S. L. (1998). Drug diffusion and binding in ionizable interpenetrating networks from poly(vinyl alcohol) and poly(acrylic acid). European Journal of Pharmaceutics and Biopharmaceutics, 46, 15–29., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Ritger, P. L., & Peppas, N. A. (1987). A simple equation for description of solute release. II. Fickian and anomalous release from swellable devices. Journal of Controlled Release, 5, 37–42., [CROSSREF]
   Google Scholar
• Rozier, A., Mazuel, C., Grove, J., & Plazonnet, B. (1997). Functionality testing of gellan gum, a polymeric excipient material for ophthalmic dosage forms. International Journal of Pharmaceutics, 153, 191–198., [CROSSREF]
   Web of Science ®Google Scholar
• Santos, C. A., Freedman, B. D., Ghosn, S., Jacob, J. S., Scarpulla, M., & Mathiowitz, E. (2003). Evaluation of anhydride oligomers within polymer microsphere blends and their impact on bioadhesion and drug delivery in vitro. Biomaterials. 24, 3571–3583., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Sanzgiri, Y. D., Maschi, S., Crescenzi, V., Callegaro, L., Topp, E. M., & Stella, V. J. (1993). Gellan-based systems for ophthalmic sustained delivery of methylprednisolone. Journal of Controlled Release, 26, 195–201., [CROSSREF]
   Web of Science ®Google Scholar
• Savas, H., & Guven, O. (2001). Investigation of active substance release from poly(ethylene oxide) hydrogels. International Journal of Pharmaceutics, 224, 151–158., [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Soppimath, K. S., Kulkarni, A. R., & Aminabhavi, T. M. (2000). Controlled release of antihypertensive drug from the interpenetrating network poly(vinyl alcohol)-guar gum hydrogel microspheres.Journal of Biomaterials Science, Polymer Ed., 11, 27–43., [CSA], [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Vergnaud, J. M. (1991). Liquid Transport Processes in Polymeric Materials—Modeling and Industrial Applications. Englewood Cliffs, NJ: Prentice Hall.
   Google Scholar