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Research Article

Preparation and characterization of enteric microparticles by coacervation

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Pages 1142-1151 | Received 28 May 2012, Accepted 26 Aug 2012, Published online: 25 Sep 2012

References

  • Jyothi NV, Prasanna PM, Sakarkar SN, Prabha KS, Ramaiah PS, Srawan GY. (2010). Microencapsulation techniques, factors influencing encapsulation efficiency. J Microencapsul, 27:187–197.
  • Dong W, Bodmeier R. (2006). Encapsulation of lipophilic drugs within enteric microparticles by a novel coacervation method. Int J Pharm, 326:128–138.
  • Gouin S. (2004). Microencapsulation: industrial appraisal of existing technologies and trends. Trends Food Sci Technol, 15:330–347.
  • Weiβ G, Knoch A, Laicher A, Stanislaus F, Daniels R. (1995). Simple coacervation of hydroxypropyl methylcellulose phthalate (HPMCP) I. Temperature and pH dependency of coacervate formation. Int J Pharm, 124:87–96.
  • Yeung E, Chaw CS. (2009). Ciclosporin-loaded poly(lactide) microparticles: effect of TPGS. J Microencapsul, 26:9–17.
  • Bachtsi AR, Kiparissides C. (1996). Synthesis and release studies of oil-containing Poly (vinyl alcohol) microcapsules prepared by coacervation. J Control Release, 38:49–58.
  • Nihant N, Grandfils C, Jerome R, Teyssie P. (1995). Microencapsulation by coacervation of poly(lactide-co-glycolide) IV. Effect of the processing parameters on coacervation and encapsulation. J Control Release, 35:117–125.
  • Xing FB, Cheng GX, Yang BX, Ma LR. (2004). Microencapsulation of capsaicin by the complex coacervation of gelatin, acacia and tannins. J Appl Polym Sci, 91:2669–2675.
  • Remuñán-López C, Bodmeier R. (1996). Effect of formulation and process variables on the formation of chitosan-gelatin coacervates. Int J Pharm, 135:63–72.
  • Chaw CS, Yang YY, Lim IJ, Phan TT. (2003). Water-soluble betamethasone-loaded poly(lactide-co-glycolide) hollow microparticles as a sustained release dosage form. J Microencapsul, 20:349–359.
  • Nilkumhang S, Basit AW. (2009). The robustness and flexibility of an emulsion solvent evaporation method to prepare pH-responsive microparticles. Int J Pharm, 377:135–141.
  • Dalmoro A, Lamberti G, Titomanlio G, Barba AA, d’Amore M. (2010). Enteric micro-particles for targeted oral drug delivery. AAPS PharmSciTech, 11:1500–1507.
  • Weiβ G, Knoch A, Laicher A, Stanislaus F, Daniels R. (1995). Simple coacervation of hydroxypropyl methylcellulose phthalate (HPMCP) II. Microencapsulation of Ibuprofen. Int J Pharm, 124:97–105.
  • Chang RK, Peng Y, Shukla AJ. (2006). Polymethacrylates. In: Rowe RC, Sheskey PJ, Owen SC, eds. Handbook of pharmaceutical excipients. London: Pharmaceutical Press and the American Pharmacists Association, 553–560.
  • De Jaeghere F, Allémann E, Cerny R, Galli B, Steulet AF, Müller I et al. (2001). pH-Dependent dissolving nano- and microparticles for improved peroral delivery of a highly lipophilic compound in dogs. AAPS PharmSci, 3:E8.
  • Khan MZ, Prebeg Z, Kurjakovic N. (1999). A pH-dependent colon targeted oral drug delivery system using methacrylic acid copolymers. I. Manipulation Of drug release using Eudragit L100-55 and Eudragit S100 combinations. J Control Release, 58:215–222.
  • Moustafine RI, Margulis EB, Sibgatullina LF, Kemenova VA, Van den Mooter G. (2008). Comparative evaluation of interpolyelectrolyte complexes of chitosan with Eudragit L100 and Eudragit L100-55 as potential carriers for oral controlled drug delivery. Eur J Pharm Biopharm, 70:215–225.
  • Loftsson T, Hreinsdóttir D, Másson M. (2005). Evaluation of cyclodextrin solubilization of drugs. Int J Pharm, 302:18–28.
  • Kalava BS, Demirel M, Yazan Y. (2005). Physicochemical characterisation and dissolution properties of cinnarizine solid dispersions. Turk J Pharm Sci, 2:51–62.
  • Alhnan MA, Murdan S, Basit AW. (2011). Encapsulation of poorly soluble basic drugs into enteric microparticles: a novel approach to enhance their oral bioavailability. Int J Pharm, 416:55–60.
  • Dong WY, Maincent P, Bodmeier R. (2007). In vitro and in vivo evaluation of carbamazepine-loaded enteric microparticles. Int J Pharm, 331:84–92.
  • Colthup NB, Daly LH, Wiberley SE. (1990). Introduction to infrared and Raman spectroscopy. 3rd edition. London: Academic Press Limited.
  • Ceballos A, Cirri M, Maestrelli F, Corti G, Mura P. (2005). Influence of formulation and process variables on in vitro release of theophylline from directly-compressed Eudragit matrix tablets. Farmaco, 60:913–918.
  • Yuksel N, Tincer T, Baykara T. (1996). Interaction between nicardipine hydrochloride and polymeric microspheres for a controlled release system. Int J Pharm, 140:145–154.
  • Lin SY, Cheng CC, Perng RI. (1994). Solid state interaction studies of drug-polymers (II); warfarin-eudragit E, RL or S resins. Eur J Pharm Sci, 1:313–322.
  • Haznedar S, Dortunç B. (2004). Preparation and in vitro evaluation of Eudragit microspheres containing acetazolamide. Int J Pharm, 269:131–140.
  • Beinborn NA, Lirola HL, Williams RO III. (2012). Effect of process variables on morphology and aerodynamic properties of voriconazole formulations produced by thin film freezing. Int J Pharm, 429:46–57.
  • Kayaert P, Van den Mooter G. (2012). Is the amorphous fraction of a dried nanosuspension caused by milling or by drying? A case study with Naproxen and Cinnarizine. Eur J Pharm Biopharm, 81:650–656.
  • Overhoff KA, Moreno A, Miller DA, Johnston KP, Williams RO 3rd. (2007). Solid dispersions of itraconazole and enteric polymers made by ultra-rapid freezing. Int J Pharm, 336:122–132.
  • Salazar J, Ghanem A, Müller RH, Möschwitzer JP. (2012). Nanocrystals: comparison of the size reduction effectiveness of a novel combinative method with conventional top-down approaches. Eur J Pharm Biopharm, 81:82–90.
  • Konan YN, Gurny R, Allémann E. (2002). Preparation and characterization of sterile and freeze-dried sub-200 nm nanoparticles. Int J Pharm, 233:239–252.
  • Wieland-Berghausen S, Schote U, Frey M, Schmidt F. (2002). Comparison of microencapsulation techniques for the water-soluble drugs nitenpyram and clomipramine HCl. J Control Release, 85:35–43.
  • Dillen K, Vandervoort J, Van den Mooter G, Ludwig A. (2006). Evaluation of ciprofloxacin-loaded Eudragit RS100 or RL100/PLGA nanoparticles. Int J Pharm, 314:72–82.
  • Al-Ghananeem AM, Abbassi M, Shrestha S, Raman G, Wulff H, Pereira L, Ansari A. (2010). Formulation-based approach to support early drug discovery and development efforts: a case study with enteric microencapsulation dosage form development for a triarylmethane derivative TRAM-34; a novel potential immunosuppressant. Drug Dev Ind Pharm, 36:563–569.
  • Moustafine RI, Zaharov IM, Kemenova VA. (2006). Physicochemical characterization and drug release properties of Eudragit E PO/Eudragit L 100-55 interpolyelectrolyte complexes. Eur J Pharm Biopharm, 63:26–36.
  • Vithlani S, Sarraf S, Chaw CS. (2011). Formulation and in vitro evaluation of self-emulsifying formulations of Cinnarizine. Drug Dev Ind Pharm, 38:1188–1194.
  • Shi Y, Luo HQ, Li NB. (2011). Determination of the critical premicelle concentration, first critical micelle concentration and second critical micelle concentration of surfactants by resonance Rayleigh scattering method without any probe. Spectrochim Acta A Mol Biomol Spectrosc, 78:1403–1407.
  • Jia Z, Lin P, Xiang Y, Wang X, Wang J, Zhang X et al. (2011). A novel nanomatrix system consisted of colloidal silica and pH-sensitive polymethylacrylate improves the oral bioavailability of fenofibrate. Eur J Pharm Biopharm, 79:126–134.
  • Miller DA, DiNunzio JC, Yang W, McGinity JW, Williams RO 3rd. (2008). Enhanced in vivo absorption of itraconazole via stabilization of supersaturation following acidic-to-neutral pH transition. Drug Dev Ind Pharm, 34:890–902.
  • Tatavarti AS, Hoag SW. (2006). Microenvironmental pH modulation based release enhancement of a weakly basic drug from hydrophilic matrices. J Pharm Sci, 95:1459–1468.

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