REFERENCES
- Longer M. A., Chíng H. S., Robinson J. R. Bioadhesive Polymers as Platforms for Oral Controlled Drug Delivery III: Oral Delivery of Chlorothiazide Using a Bioadhesive Polymer. J. Pharm. Sci. 1985; 74: 406–411
- Luesen H. L., Lehr C.-M., Rentel C.-O., Noach A. B.J., de Boer A. G., Verhoel J. C., Junginger H. E. Bioadhesive Polymers for the Peroral Delivery of Peptide Drugs. J. Controlled Release 1994; 29: 329–338
- Lehr C.-M., Bouwstra J. A., Kok W., de Boer A. G., Tukker J. J., Verhoef J. C., Breimer D. D., Junginger H. E. Effect of the Mucoadhesive Polymer Polycarbophil on the Intestinal Absorption of a Peptide Drug in the Rat. J. Pharm. Pharmacol. 1992; 44: 402–407
- Lehr C.-M., Bouwstra J. A., Schacht E. H., Junginger H. E. In Vitro Evaluation of Mucoadhesive Properties of Chitosan and Some Other Natural Polymers. Int. J. Pharm. 1992; 78: 43–48
- Takeuchi H., Yamamoto H., Niwa T., Hino T., Kawashima Y. Enteral Absorption of Insulin in Rats from Mucoadhesive Chitosan-Coated Liposomes. Pharm. Res. 1996; 13: 896–901
- F.-Urrusuno R., Calvo P., R.-Lopez C., V.-Jato J. L., Alonso M. J. Enhancement of Nasal Absorption of Insulin Using Chitosan Nanoparticles. Pharm. Res. 1999; 16: 1576–1581
- Kawashima Y., Yamamoto H., Takeuchi H., Kuno Y. Mucoadhesive DL-Lactide/Glycolide Copolymer Nanospheres Coated with Chitosan to Improve Oral Delivery of Elcatonin. Pharm. Dev. Technol. 2000; 5: 77–85
- E.-Shafy M. A., Kellaway I. W., Taylor G. W., Dickinson P. A. Improved Nasal Bioavailability of FITC-Dextran (Mw 4300) from Mucoadhesive Microspheres in Rabbits. J. Drug Targ. 2000; 7: 355–361
- Soane R. J., Frier M., Perkins A. C., Jones N. S., Davis S. S., Illum L. Evaluation of the Clearance Characteristics of Bioadhesive Systems in Humans. Int. J. Pharm. 1999; 178: 55–65
- Kotze A. F., Lueβen H. L., de Boer A. G., Verhoef J. C., Junginger H. E. Chitosan for Enhanced Intestinal Permeability: Prospects for Derivatives Soluble in Neutral and Basic Environments. Eur. J. Pharm. Sci. 1998; 7: 145–151
- Thanou M., Florea B. I., Langemeyer M. W.E., Verhoef J. C., Junginger H. E. N-Trimethylated Chitosan Chloride (TMC) Improves the Intestinal Permeation of the Peptide Drug Buserelin In Vitro (Caco-2 Cells) and In Vivo (Rats). Pharm. Res. 2000; 17: 27–31
- Nakazawa H., Nagase M. Reversed-Phase High-Performance Liquid Chromatography of Peptides. Yakugaku Zasshi 1986; 106: 398–405
- Park H., Robinson J. R. Physico-chemical Properties of Water Insoluble Polymers Important to Mucin/Epithelial Adhesion. J. Controlled Release 1985; 2: 47–57
- Lehr C.-M., Poelma F. G.J., Junginger H. E., Tukker J. J. An Estimate of Turnover Time of Intestinal Mucus Gel Layer in the Rat In Situ Loop. Int. J. Pharm. 1991; 70: 235–240
- Rubinstein A., Tirosh B. Mucus Gel Thickness and Turnover in the Gastrointestinal Tract of the Rat: Response to Cholinergic Stimulus and Implication for Mucoadhesion. Pharm. Res. 1994; 11: 794–799
- Sundby F. Separation and Characterization of Acid-Induced Insulin Transformation Products by Paper Electrophoresis in 7 M Urea. J. Biol. Chem. 1962; 237: 3406–3411
- Brange J., Langkjar L., Havelund S., Volund A. Chemical Stability of Insulin. 1. Hydrolytic Degradation During Storage of Pharmaceutical Preparations. Pharm. Res. 1992; 9: 715–726
- Brange J., Langkjar L. Chemical Stability of Insulin. 3. Influence of Excipients, Formulation, and pH. Acta Pharm. Nord. 1992; 4: 149–158
- Morishita M., Morishita I., Takayama K., Machida Y., Nagai T. Site-Dependent Effect Aprotinin, Sodium Caprate, Na2EDTA and Sodium Glycocholate on Intestinal Absorption of Insulin. Biol. Pharm. Bull. 1993; 16: 68–72