Smart reticulated hydrogel of functionally decorated gellan copolymer for prolonged delivery of salbutamol sulphate to the gastro-luminal milieu

References

• Aboul-Enein HY, Al-Badar AA, Ibrahim SE. Salbutamol. Analytical profiles of drug substances, K Florey. Academic Press, California 1981; 673–5
   Google Scholar
• Agnihotri SA, Aminabhavi TM. Controlled release of clozapine through chitosan microparticles prepared by novel method. J Control Rel 2004; 96: 245–59
   PubMed Web of Science ®Google Scholar
• Agnihotri SA, Aminabhavi TM. Development of novel interpenetrating network gellan gum-poly(vinyl alcohol) hydrogel microspheres for the controlled release of carvedilol. Drug Dev Ind Pharm 2005; 31: 491–503
   PubMed Web of Science ®Google Scholar
• Amperiadou A, Georgarakis M. Controlled release salbutamol sulphate microcapsules prepared by emulsion solvent-evaporation technique and study on the release affected parameters. Int J Pharm 1995; 115: 1–8
   Web of Science ®Google Scholar
• Arica B, Calis S, Atilla P, Durlu NT, Caker N. In vitro and in vivo studies of ibuprofen-loaded biodegradable alginate beads. J Microencapsul 2005; 22: 153–65
   PubMed Web of Science ®Google Scholar
• Balani PN, Wong SY, Ng WK, Widjaja E, Tan RBH, Chan SY. Influence of polymer content on stabilizing milled amorphous salbutamol sulphate. Int J Pharm 2010; 391: 125–36
   PubMed Web of Science ®Google Scholar
• Bechgaard H, Hegermann NG. Controlled release multiple units and single unit doses: A literature review. Drug Dev Ind Pharm 1978; 4: 53–67
   Web of Science ®Google Scholar
• Behari K, Pandey PK, Kumar R, Taunk K. Graft copolymerization of acrylamide onto xanthan gum. Carbohydr Polym 2001; 46: 185–9
   Web of Science ®Google Scholar
• Benoit M-A, Baras B, Gillard J. Preparation and characterization of protein-loaded poly(ε-caprolactone) microparticles for oral vaccine delivery. Int J Pharm 1999; 184: 73–84
   PubMed Web of Science ®Google Scholar
• Choksi RJ, Shah NH, Sandhu HK, Malick AW, Zia H. Stabilization of low glass transition temperature indomethacin formulations: Impact of polymer type and its concentration. J Pharm Sci 2008; 97: 2286–98
   PubMedGoogle Scholar
• da Silva DA, de Paula RCM, Feitosa JPA. Graft copolymerization of acrylamide onto cashew gum. Euro Polym J 2007; 43: 2620–9
   Web of Science ®Google Scholar
• Davidson GWR, III, Peppas NA. Solute penetration in microswellable polymers. V. Relaxation-controlled transport in (pHEMA-co-MMA) copolymers. J Controlled Rel 1983; 3: 243–58
   Google Scholar
• Dey NS, Majumdar S, Rao MEB. Multiparticulate drug delivery systems for controlled release. Trop J Pharm Res 2008; 7: 1067–75
   Web of Science ®Google Scholar
• Díez-Peña E, Quijada-Garrido I, Barrales-Rienda JM. On the water swelling behaviour of poly(N-isopropylacrylamide) [P(N-iPAAm)], poly(methacrylic acid) [P(MAA)], their random copolymers and sequential interpenetrating polymer networks (IPNs). Polymer 2002; 43: 4341–8
   Web of Science ®Google Scholar
• Doner LW, Douds DD. Purification of commercial gellan to monovalent cation salts results in acute modification of solution and gel-forming properties. Carbohydr Res 1995; 273: 225–33
   PubMed Web of Science ®Google Scholar
• Grasdalen H, Smidsrød O. Gelation of gellan gum. Carbohydr Polym 1987; 7: 371–93
   Web of Science ®Google Scholar
• Horinaka J, Kani K, Hori Y, Maeda S. Effect of pH on the conformation of gellan chains in aqueous systems. Biophys Chem 2004; 111: 223–7
   PubMed Web of Science ®Google Scholar
• Hosny EA, Al-Helw AAM. Effect of coating of aluminum carboxymethyl cellulose beads on the release and bioavailability of diclofenac sodium. Pharm Acta Helv 1998; 72: 255–61
   PubMedGoogle Scholar
• Izumi Y, Kikuta N, Sakai K, Takezawa H. Phase diagrams and molecular structures of sodium-salt-type gellan gum. Carbohydr Polym 1996; 30: 121–7
   Google Scholar
• Kanesaka S, Watanabe T, Matsukawa S. Binding effect of Cu2+ as a trigger on the sol-to-gel and the coil-to-helix transition processes of polysaccharide, gellan gum. Biomacromolecules 2004; 5: 863–8
   PubMed Web of Science ®Google Scholar
• Kaur H, Chatterji RR. Interpenetrating hydrogel networks. 2. Swelling and mechanical properties of the gelatin–polyacrylamide interpenetrating networks. Macromolecules 1990; 23: 4868–71
   Web of Science ®Google Scholar
• Kim SY, Cho SM, Lee YM, Kim SJ. Thermo- and pH-responsive behaviors of graft copolymer and blend based on chitosan and N-isopropylacrylamide. J Appl Polym Sci, 2000;78:1381–91.
   Google Scholar
• Korsmeyer RW, Gurny R, Doelker E, Buri P, Peppas NA. Mechanism of solute release from porous hydrophilic polymers. Int J Pharm 1983; 15: 25–35
   Web of Science ®Google Scholar
• Kulkarni RV, Sa B. Enteric delivery of ketoprofen through functionally modified poly(acrylamide-grafted-xanthan)-based-pH-sensitive hydrogel beads: Preparation, in vitro and in vivo evaluation. J Drug Target 2008a; 16: 167–77
   PubMed Web of Science ®Google Scholar
• Kulkarni RV, Sa B. Novel pH-sensitive interpenetrating network hydrogel beads of carboxymethylcellulose-(polyacrylamide-grafted-alginate) for controlled release of ketoprofen: Preparation and characterization. Curr Drug Deliv 2008b; 5: 256–64
   PubMedGoogle Scholar
• Kulkarni RV, Sa B. Electroresponsive polyacrylamide-grafted-xanthan hydrogels for drug delivery. J Bioact Compat Polym 2009a; 24: 368–84
   Web of Science ®Google Scholar
• Kulkarni RV, Sa B. Polyacrylamide-grafted-alginate-based pH-sensitive hydrogel beads for delivery of ketoprofen to the intestine: In vitro and in vivo evaluation. J Biomater Sci Polym Ed 2009b; 20: 235–51
   PubMed Web of Science ®Google Scholar
• Kulkarni RV, Setty CM, Sa B. Polyacrylamide-g-alginate-based electrically responsive hydrogel for drug delivery application: Synthesis, characterization, and formulation development. J Appl Polym Sci 2009; 115: 1180–8
   Google Scholar
• Kumbar SG, Dave AM, Aminabhavi TM. Release kinetics and diffusion coefficients of solid and liquid pesticides through interpenetrating polymer network beads of polyacrylamide-g-guar gum with sodium alginate. J Appl Polym Sci 2003; 90: 451–7
   Web of Science ®Google Scholar
• Maiti S, Ray S, Sa B. Effect of formulation variables on entrapment and release characteristics of bovine serum albumin from carboxymethyl xanthan microparticles. Polym Adv Technol 2008; 19: 922–7
   Web of Science ®Google Scholar
• Mandal S, Basu SK, Sa B. Ca2+ ion cross-linked interpenetrating network matrix tablets of polyacrylamide-grafted-sodium alginate and sodium alginate for sustained release of diltiazem hydrochloride. Carbohydr Polym 2010; 82: 867–73
   Web of Science ®Google Scholar
• Martínez-Padilla LP, López-Araiza F, Tecante A. Steady and oscillatory shear behavior of fluid gels formed by binary mixtures of xanthan and gellan. Food Hydrocoll 2004; 18: 471–81
   Web of Science ®Google Scholar
• Miyoshi E, Nishinari K. Non-Newtonian flow behaviour of gellan gum aqueous solutions. Colloid Polym Sci 1999; 277: 727–34
   Web of Science ®Google Scholar
• Mundargi RC, Patil SA, Agnihotri SA, Aminabhavi TM. Evaluation and controlled release characteristics of modified xanthan films for transdermal delivery of atenolol. Drug Dev Ind Pharm 2007a; 33: 79–90
   PubMed Web of Science ®Google Scholar
• Mundargi RC, Patil SA, Aminabhavi TM. Evaluation of acrylamide-grafted-xanthan gum copolymer matrix tablets for oral controlled delivery of antihypertensive drugs. Carbohydr Polym 2007b; 69: 130–41
   Web of Science ®Google Scholar
• Mundargi RC, Shelke NB, Babu VR, Patel P, Rangaswamy V, Aminabhavi TM. Novel thermo-responsive semi-interpenetrating network microspheres of gellan gum-poly(N-isopropylacrylamide) for controlled release of atenolol. J Appl Polym Sci 2010; 116: 1832–41
   Web of Science ®Google Scholar
• Nath B, Nath LK, Mazumder B, Kumar P, Sharma N, Sahu BP. Preparation and characterization of salbutamol sulphate loaded ethyl cellulose microspheres using water-in-oil-oil emulsion technique. Iranian J Pharm Res 2010; 9: 97–105
   PubMed Web of Science ®Google Scholar
• Nouh AT, Abd El-Gawad AE-GH, Guda TK. Formulation and bioavailability of controlled release salbutamol sulphate tablets using natural additives. Drug Discov Therapeut 2010; 4: 85–92
   PubMedGoogle Scholar
• Ostberg T, Lund EM, Graffner C. Calcium alginate matrixes for oral multiple unit administration: IV. Release characteristics in different media. Int J Pharm 1994; 112: 241–8
   Web of Science ®Google Scholar
• Pachuau L, Sarkar S, Mazumder B. Formulation and evaluation of matrix microspheres for simultaneous delivery of salbutamol sulphate and theophylline. Trop J Pharm Res 2008; 7: 995–1002
   Web of Science ®Google Scholar
• Pacifici GM, Giulianetti B, Quilici MC. Salbutamol sulphate in the human liver and duodenal mucosa: Interindividual variability. Xenobiotica 1997; 27: 279–86
   PubMed Web of Science ®Google Scholar
• Pavia DL. Introduction to organic laboratory techniques: A small scale approach. Identification of organic substances, P McGabey. Brooks/Cole-Thompson Learning, USA 2005; 499
   Google Scholar
• Pourjavadi A, Sadeghi M, Hosseinzadeh H. Modified carrageenan. 5. Preparation, swelling behavior, salt and pH-sensitivity of partially hydrolyzed crosslinked carrageenan-graft-polymethacrylamide superabsorbent hydrogel. Polym Adv Technol 2004; 15: 1–9
   Web of Science ®Google Scholar
• Qian F, Cui F, Ding J, Tang C, Yin C. Chitosan graft copolymer nanoparticles for oral protein drug delivery: Preparation and characterization. Biomacromolecules 2006; 7: 2722–7
   PubMed Web of Science ®Google Scholar
• Qiu Y, Park K. Environment sensitive hydrogels for drug delivery. Adv Drug Deliv Rev 2001; 53: 321–39
   PubMed Web of Science ®Google Scholar
• Reddy T, Tammishetti S. Gastric resistant microbeads of metal ion cross-linked carboxymethyl guar gum for oral drug delivery. J Microencapsul 2002; 19: 311–8
   PubMed Web of Science ®Google Scholar
• Ritger PI, Peppas NA. A simple equation for description of solute release. II. Fickian and anomalous release from swellable devices. J Control Rel 1987; 5: 37–42
   Google Scholar
• Rokhade AP, Patil SA, Aminabhavi TM. Synthesis and characterization of semi-interpenetrating polymer network microspheres of acrylamide grafted dextran and chitosan for controlled release of acyclovir. Carbohydr Polym 2007; 67: 605–13
   Web of Science ®Google Scholar
• Satish CS, Satish KP, Shivakumar HG. Hydrogels as controlled drug delivery systems: Synthesis, crosslinking, water and drug transport mechanism. Indian J Pharm Sci 2006; 68: 133–40
   Google Scholar
• Shaji J, Chadawar V, Talwalkar P. Multi-particulate drug delivery system. Indian Pharmacist 2007; 6: 21–28
   Google Scholar
• Soppimath KS, Aminabhavi TM. Water transport and drug release study from cross-linked polyacrylamide grafted guar gum hydrogel microspheres for the controlled release application. Eur J Pharm Biopharm 2002; 53: 87–98
   PubMed Web of Science ®Google Scholar
• Soppimath KS, Aminabhavi TM, Dave AM, Kumbar SG, Rudzinski WE. Stimulus-responsive smart hydrogels as novel drug delivery systems. Drug Dev Ind Pharm 2002; 28: 957–74
   PubMed Web of Science ®Google Scholar
• Soppimath KS, Kulkarni AR, Aminabhavi TM. Chemically modified polyacrylamide-g-guar gum-based crosslinked anionic microgels as pH-sensitive drug delivery systems: Preparation and characterization. J Controlled Rel 2001; 75: 331–45
   PubMed Web of Science ®Google Scholar
• Sudhamani SR, Prasad MS, Udaya SK. DSC and FTIR studies on gellan and polyvinyl alcohol (PVA) blend films. Food Hydrocoll 2003; 17: 245–50
   Web of Science ®Google Scholar
• Sullad AG, Manjeshwar LS, Aminabhavi TM. Novel pH-sensitive hydrogels prepared from the blends of poly(vinyl alcohol) with acrylic acid-graft-guar gum matrixes for isoniazid delivery. Ind Eng Chem Res 2010; 49: 7323–9
   Web of Science ®Google Scholar
• Tang ESK, Chan LW, Heng PWS. Coating of multi-particulates for sustained release. Amer J Drug Deliv 2005; 3: 17–28
   Google Scholar
• Toti US, Aminabhavi TM. Modified guar gum matrix tablet for controlled release of diltiazem hydrochloride. J Control Rel 2004; 95: 567–77
   PubMed Web of Science ®Google Scholar
• Toti US, Soppimath KS, Mallikarjuna NN, Aminabhavi TM. Acrylamide-grafted-acacia gum polymer matrix tablets as erosion-controlled drug delivery systems. J Appl Polym Sci 2004; 93: 2245–53
   Web of Science ®Google Scholar
• Tripathy T, Pandey SR, Karmakar NC, Bhagat RP, Singh RP. Novel flocculating agent based on sodium alginate and acrylamide. Euro Polym J 1999; 35: 2057–72
   Web of Science ®Google Scholar
• Tripathy T, Singh RP. High performance flocculating agent based on partially hydrolysed sodium alginate-g-polyacrylamide. Euro Polym J 2000; 36: 1471–6
   Web of Science ®Google Scholar
• Yotsuyanagi T, Ohkubo T, Ohhashi T, Ikeda K. Calcium induced gelation of alginic acid and pH sensitive reswelling of dried gels. Chem Pharm Bull 1987; 35: 1555–63
   Web of Science ®Google Scholar
• Yu L. Amorphous pharmaceutical solids: Preparation, characterization and stabilization. Adv Drug Del Rev 2001; 48: 27–42
   PubMed Web of Science ®Google Scholar
• Zohuriaan-Mehr MJ. Advances in chitin and chitosan modification through graft copolymerization: A comprehensive review. Iranian Polym J 2005; 14: 235–65
   Web of Science ®Google Scholar