73
Views
14
CrossRef citations to date
0
Altmetric
Original Article

Microencapsulation of dehydroepiandrosterone (DHEA) with poly(ortho ester) polymers by interfacial polycondensation

, , , &
Pages 637-651 | Received 18 Nov 2002, Accepted 20 Apr 2003, Published online: 02 Jul 2010

References

  • Arshady R. Preparation of microspheres and microcapsules by interfacial polycondensation techniques. Journal of Microencapsulation 1989; 6: 13–28
  • Bancroft W. D. Theory of emulsification. Journal of Physical Chemistry 1913; 17: 501–550
  • Brandrup J., Immergut E. H. Polymer Handbook, 3rd edn. J. Wiley Sci., New York 1989; 544
  • Bru M. N., Guillon X., Breton P., Couvreur P., Lescure F., Carmes C., Riess G. Procédés de préparation de nanoparticules de methylidène malonate, nanoparticules contenant éventuellement une ou plusieurs molécules biologiquement actives et compositions pharmaceutiques les contenant. FR Patent 2755136, 1998
  • Chang T. M. S., MacIntosh F. C., Mason S. G. Semipermeable aqueous microcapsules. 1. Preparation and properties. Canadian Journal of Physiology and Pharmacology 1966; 44: 115–128
  • Danicher L., Gramain P., Frère Y. Model capsules, I. Synthesis, characteristics and properties of millimetric polyamide microcapsules. Reactive and Functional Polymers 1999; 42: 111–125
  • European pharmacopoeia. 1997, Addendum 2001
  • Griffin W. C. Calculation of HLB values of non-ionic surfactants. Journal of the Society of Cosmetic Chemistry 1954; 5: 249–256
  • Heller J., Helwing R. F., Penhale D. W. Polymers of di-(and higher functionnality) ketene acetals and polyols. US Patent 4,304,767, 1981
  • Heller J., Rime A., Rao S. S., Fritzinger B. K. Poly(ortho esters) for pulsed and continuous release of proteins. Trends and Future Perspectives in Peptide and Protein Drug Delivery, V. H.L. Lee, M. Hashida, Y. Mizushima. Harwood Academic Publishers, ChurSwitzerland 1995; 39–56
  • Jansen L. J. J., Nijenhuis K. Encapsulation by interfacial polycondensation. I. The capsule production and a model for wall growth. Journal of Membrane Science 1992; 65: 59–68
  • Koishi M., Fukuhara N., Kondo T. Studies on microcapsules, II. Preparation of polyphthalamide microcapsules. Chemical and Pharmacutical Bulletin 1969; 17: 804–809
  • Lee H. M., Lee J. W., Park O. Rheology and dynamics of water-in-oil emulsions under steady and dynamic shear flow. Journal of Colloid and Interfaces Science 1997; 185: 297–305
  • Lin Y. H. E., Vasavada R. C. Studies on microencapsulation of 5-fluorouracil with poly(ortho ester) polymers. Journal of Microencapsulation 2000; 17: 1–11
  • Mathowitz E., Cohen A. D. Polyamide microcapsules for controlled release, I. Characterization of the membrane. Journal of Membrane Science 1989; 40: 1–26
  • Merkli A., Heller J., Tabatabay C., Gurny R. Synthesis and characterization of a new biodegradable semi-solid poly(ortho esters) for drug delivery systems. Journal of Biomaterials Science—Polymer Edition 1993; 4: 505–516
  • Merkli A., Heller J., Tabatabay C., Gurny R. Semi-solid hydrophobic bioerodible poly(ortho esters) for potential application in glaucoma filtering surgery. Journal of Controlled Release 1994; 29: 105–112
  • Merkli A., Heller J., Tabatabay C., Gurny R. Purity and stability assessment of a semi solid poly(ortho ester) used in drug delivery systems. Biomaterials 1996; 17: 887–901
  • Meyers D. Surfactants Science and Technology. VCH Publishers. 1988a; 215
  • Meyers D. Surfactants Science and Technology. VCH Publishers. 1988b; 230
  • Morales A. J., Nolan J., Nelson J. C., Yen S. S. Effects of replacement dose of dehydroepiandrosterone in men and women of advancing age. Journal of Clinical Endocrinology and Metabolism 1994; 78: 1360–1367
  • Morgan P. W., Kwolek S. L. Interfacial polycondensation. II. Fundamentals of polymer formation at liquid interfaces. Journal of Polymer Science 1959; XL: 299–327
  • Muramatsu N., Shiga K., Kondo T. Preparation of polyamide microcaspules having narrow size distributions. Journal of Microencapsulation 1994; 11: 171–178
  • Ng S., Penhale D. W., Heller J. Preparation of Ketene acetals. US Patent 4,513,143, 1985
  • Ng S. Y., Vandamme T., Taylor M. S., Heller J. Synthesis and erosion studies of self-catalyzed poly(ortho esters). Macromolecules 1997; 30: 770–772
  • Pensé A. M., Vauthier C., Benoit J. P. Study of the interfacial polycondensation of isocyanate in the preparation of benzalkonium chloride loaded microcapsules. Colloid Polymer Science 1994; 272: 211–219
  • Shi C. Calculation of hydrolytic rate constants of poly(ortho ester)s from molecular weights determined by gel permeation chromatography. Pharmaceutical Research 1995; 12: 2041–2048
  • Shi C., Lucas S., Zentner G. M. Acid catalyzed poly(ortho ester) matrices for intermediate term drug delivery. Journal of Controlled Release 1991; 15: 55–63
  • Sintzel M. B., Heller J., Ng S. Y., Taylor M. S., Tabatabay C., Gurny R. Synthesis and characterization of self-catalyzed poly(ortho esters). Biomaterials 1998; 19: 791–800
  • Susuki S., Kondo T., Mason S. G. Studies on microcapsules. I. Preparation of polyurethane and polyphenolester microcapsules. Chemical and Pharmaceutical Bulletin 1968; 16: 1629–1631
  • Van Krevelen D. W. Properties of polymers. Elsevier. 1990; 189–225
  • Watson R. R., Huls A., Araghinikuam M., Chung S. Dehydroepiandrosterone and diseases of aging. Drugs and Aging 1996; 9: 274–291
  • Wittbecker E. L., Morgan P. W. Interfacial polycondensation. Journal of Polymer Science 1959; XL: 289–297
  • Yadav S. K., Khilar K. C., Suresh A. K. Release rates from semi-cristallin polymer microcapsules formed by interfacial polycondensation. Journal of Membrane Science 1997; 125: 213–218
  • Zydowicz N., Ganyanad E. PMMA microcapsules containing water-soluble dyes obtained by double emulsion/solvent evaporation technique. Polymer Bulletin 2002; 47: 457–463
  • Zydowicz N., Soto-Portas M. L., Chaumont P. Formation of aqueous core polyamide microcapsules obtained via interfacial polycondensation. Optimisation of the membrane formation through pH control. Journal of Membrane Science 2001; 189: 41–58

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.