43
Views
20
CrossRef citations to date
0
Altmetric
Research Article

Polyacrylate resin (Eudragit Retard) microcapsules as a controlled release drug delivery system improved non-solvent addition phase separation process

, &
Pages 207-222 | Received 14 Jun 1985, Accepted 21 Jun 1985, Published online: 27 Sep 2008

References

  • Benita S. Kinetic model identification of drug release from microcapsules using the non-linear regression search procedure. Applied Biochemistry and Biotechnology 1984a; 10: 255–258
  • Benita S. Microcapsules new applications and characterization. Labo-Pharma-Problemes et Techniques 1984b; 32: 694–701
  • Benita S., Donbrow M. Coacervation of ethylcellulose: The role of polyisobuty-lene and the effect of its concentration. Journal of Colloid and Interface Science 1980; 77: 102–109
  • Benita S., Donbrow M. Effect of polyisobutylene on ethylcellulose-walled microcapsules: Wall structure and thickness of salicylamide and theophylline micro-capsules. Journal of Pharmaceutical Sciences 1982a; 71: 205–210
  • Benita S., Donbrow M. Release kinetics of sparingly-soluble drugs from ethylcellulose-walled microcapsules: Theophylline microcapsules. Journal of Pharmacy and Pharmacology 1982b; 36: 77–82
  • Benita S., Hoffman A., Donbrow M. Microencapsulation of paracetamol using polyacrylate resins (Eudragit retard), kinetics of drug release and evaluation of kinetic model. Journal of Pharmacy and Pharmacology 1985; 37: 391–395
  • Broughton R. L., Lamberti F. V., Sefton M. V. Towards a new mode of controlled release microencapsulated animal cells. 9th International Symposium on Controlled Release of Bioactive Materials, A. G. Kydoniey, R. S. Langer. Controlled Release Society, Fort Lauderdale, Florida 1982; 124–127
  • Dobry A., Boyer-Kawenoki F. Phase separation in polymer solution. Journal of Polymer Sciences 1947; 2: 90–100
  • Donbrow M., Benita S. Release of sparingly-soluble drugs from ethylcellulose-walled microcapsules: Salicylamide microcapsules. Journal of Pharmacy and Pharmacology 1982; 36: 547–551
  • Donbrow M., Benita S., Hoffman A. Microencapsulation of dichromate and paracetamol with Eudragit retard polymers using phase separation by non solvent addition. Applied Biochemistry and Biotechnology 1984; 10: 245–249
  • Fi.ory P. L. Principles of Polymer Chemistry. Cornell University Press, Ithaca, New York 1953; 541–593
  • Fouu A. M., El-Sayed A. A., Bodawi A. A. Release of drugs from microcapsules of methacrylate polymers. International Journal of Pharmaceutics 1983; 14: 95–102
  • Gross S. A., Hoffman A., Donbrow M., Benita S. Fundamentals of release mechanism interpretation in multiparticulate systems: The prediction of the commonly observed release equations from statistical population models for particle ensembles. International Journal of Pharmaceutics 1985, submitted for publication
  • Hoffman A., Donbrow M., Gross S. T., Benita S., Bahat R. Fundamentals of release mechanism interpretation in multiparticulate systems: Determination of substrate release from single microcapsules and relation between individual and ensemble release kinetics. International Journal of Pharmaceutics 1985, submitted for publication
  • Lehmann K. O. R., Bossler H. M., Dreher D. K. Controlled drug release from small particles encapsulated with acrylic resins. Polymeric Delivery Systems, R. J. Kostelnik. Gordon and Breach, New York 1976; 111–119
  • Lehmann K. O. R., Dreher D. K. Coating particles with acrylic resins. Pharmaceutical Technology 1979; 3: 53–56
  • Martindale. The Extra Pharmacopoeia, 28th edition. 1982; 745
  • Sato T., Ruch R. Stabilization of Colloidal Dispersions by Polymer Adsorption. Marcel Dekker Inc., New York 1980; 65–118
  • Scott R. L. The thermodynamics of high polymer solutions. V. Phase equilibria in the ternary system: Polymer 1-Polymer 2-solvent. The Journal of Chemical Physics 1949; 17: 279–284
  • Senjkovic R. J., Jalsenjak I. Apparent diffusion coefficient of sodium phenobarbitone in ethylcellulose microcapsules: Effects of capsule size. Journal of Pharmacy and Pharmacology 1981; 33: 274–282
  • Vidmar V., Jalsenjak I., Kondo T. Volume of water-filled pores in ethylcellulose membrane and the permeability of microcapsules. Journal of Pharmacy and Pharmacology 1982; 34: 411–414

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.