70
Views
7
CrossRef citations to date
0
Altmetric
Original Article

The effect of ethylcellulose molecular weight on the properties of theophylline microspheres

&
Pages 273-280 | Received 13 Aug 1995, Accepted 30 Nov 1995, Published online: 26 Jun 2009

References

  • Amperiadou A., Georgarakis M. Preparation and characterization of ethyl-cellulose-walled theophylline microcapsules using the emulsion-solvent evaporation technique. Drug Development and Industrial Pharmacy 1995a; 21: 1339–1346
  • Amperiadou A., Georgarakis M. Controlled release salbutamol sulfate microcapsules prepared by emulsion solvent evaporation technique and study on the release affected parameters. International Journal of Pharmaceutics 1995b; 115: 1–8
  • Bodmeier R., McGinity J. W. Solvent selection in the preparation of poly(DL-lactide) microspheres prepared by solvent evaporation method. International Journal of Pharmaceutics 1988; 43: 179–186
  • Bodmeier R., Paerakul O. Mechanical properties of dry and wet cellulosic and acrylic films prepared from aqueos colloidal polymer dispersions used in the coating of solid dosage forms. Pharmaceutical Research 1994; 11: 882–888
  • Chemtob C., Gruber T., Chaumeil J. C. Influence of polysiobytilene on microencapsulation of metronidasole. Drug Development and Industrial Phasmacy 1989; 15: 1161–1174
  • Donbrow M., Friedman M. Enhancement of permeability of ethylcellulose films for drug pentration. Journal of Pharmacy and Pharmaceutics 1975; 27: 633–646
  • Lin S. Y. Influence of coacervation-inducing agents and cooling rates on the preparation and in vitro release of bleomycin hydrochotide microcapsules. Journal of Microcapsulation 1985; 2: 91–101
  • Lin S.-H., Yang J.-C. Bioavailability studies of theophylline ethylcellulose microcapsules prepared by using ethylene-vinyl acetate copolymer as a coacervation-inducing agent. Journal of Pharmaceutical Science 1987; 76: 219–223
  • Lippold B. C., Förster H. Diffusion von Theophyllin durch isolierte zusch-laghaltige Ethylcellulose-Membranen. Acta Pharmaceutica Technologica 1981; 27: 169–179
  • Nixon J. R., Maleka M. R. The preparation and characterisation of ethyl-cellulose-walled theophylline microcapsules. Journal of Microencapsulation 1984; 1: 53–64
  • Nixon R., Wong K. T. Evaluation of drug permeation through polymeric membrances as a model for release(II) ethylcellulose-walled microcapsules. International Journal of Pharmaceutics 1990; 58: 31–40
  • Tirkkonen S., Paronen P. Enhancement of drug release from ethylcellulose microcapsules using solid sodium chloride in the wall. International Journal of Pharmaceutics 1992; 88: 39–51
  • Yuen K. H., Deshmukh A. A., Newton J. Development and in-vitro evalution of a multiparticulate sustained release theophylline formulation. Drug Development and Industrial Pharmacy 1993; 19: 855–874
  • Zessin G., Dashevsky A. The effect of viscosity on micromeritic properties of ethylcellulose-walled theophylline microspheres. Proceedings of 1st World Meeting APGI/APV (Budapest). 1995; 443–444

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.