References
- Sohn N. (1998). Dyspepsia and ulcers. Primary Care Update for OB/ GYNS, 5, 24–27.
- Konorev MR. (2001). Eradication of Helicobacter pylori from the stomach and duodenum of patients with duodenal ulcers. Int J Antimicrob Agents, 17:425–426.
- Amiji MM. (2007). Tetracycline-containing chitosan microspheres for local treatment of Helicobacter pylori infection. Cellulose, 14, 3–14.
- Levy SB. (1992). The antibiotic paradox: how miracle drugs are destroying the miracle. New York: Plenum Press Inc.
- Megraud F. (1994). Helicobacter pylori: basic mechanisms to clinical cure. Dordrecht: Kluwer Academic Publishers.
- Brooks FP. (1985). The pathophysiology of peptic ulcer disease. Digest Dis Sci, 11, 15–29.
- Rhodes J, Prestwich CJ. (1966). Acidity at different sites in the proximal duodenum of normal subjects and patients with duodenal ulcer. Gut, 7:509–514.
- Huang Y, Zheng LL, Liu J, Zhang ZR. (2005). Synthesis and characterization of HPMC derivatives as novel duodenum-specific coating agents. Arch Pharm Res, 28:364–369.
- Chun MK, Cho CS, Choi HK. (2005). Mucoadhesive microspheres prepared by interpolymer complexation and solvent diffusion method. Int J Pharm, 288:295–303.
- Muramatsu N, Kondo T. (1995). An approach to prepare microparticles of uniform size. J Microencapsul, 12:129–136.
- Takishima J, Onishi H, Machida Y. (2002). Prolonged intestinal absorption of cephradine with chitosan-coated ethylcellulose microparticles in rats. Biol Pharm Bull, 25:1498–1502.
- Sudhakar Y, Kuotsu K, Bandyopadhyay AK. (2006). Buccal bioadhesive drug delivery — a promising option for orally less efficient drugs. J Control Release, 114, 15–40.
- Gungor S, Okyar A, Erturk-Toker S, Baktir G, Ozsoy Y. (2010). Ondansetron-loaded chitosan microspheres for nasal antiemetic drug delivery: an alternative approach to oral and parenteral routes. Drug Dev Ind Pharm, 36:806–813.
- Malaekeh-Nikouei B, Tabassi SAS, Jaafari MR. (2008). Preparation, characterization, and mucoadhesive properties of chitosan-coated microspheres encapsulated with cyclosporine. Drug Dev Ind Pharm, 34, 492–498.
- Park JH, Saravanakumar G, Kim K, Kwon IC. (2010). Targeted delivery of low molecular drugs using chitosan and its derivatives. Adv Drug Deliv Rev, 62:28–41.
- Bernkop-Schnürch A, Hornof M, Guggi D. (2004). Thiolated chitosans. Eur J Pharm Biopharm, 57:9–17.
- Felt O, Furrer P, Mayer JM, Plazonnet B, Buri P, Gurny R. (1999). Topical use of chitosan in ophthalmology: tolerance assessment and evaluation of precorneal retention. Int J Pharm, 180:185–193.
- Illum L, Farraj NF, Davis SS. (1994). Chitosan as a novel nasal delivery system for peptide drugs. Pharm Res, 11:1186–1189.
- Takeuchi H, Yamamoto H, Kawashima Y. (2001). Mucoadhesive nanoparticulate systems for peptide drug delivery. Adv Drug Deliv Rev, 47:39–54.
- Wang Y, Wang XB. (2003). China medicinal therapeutics to Helicobacter pylori. China Med Bull, 3, 40–44.
- Hornofa MD, Kasta CE, Bernkop-Schnurch A. (2003). In vitro evaluation of the viscoelastic properties of chitosan-thioglycolic acid conjugates. Eur J Pharm Biopharm, 55, 185–190.
- Ranga Rao KV, Buri P. (1989). A novel in situ method to test polymer and coated microparticles for bioadhesion. Int J Pharm, 52, 265–270.
- Anal AK, Stevens WF, Remuñán-López C. (2006). Ionotropic cross-linked chitosan microspheres for controlled release of ampicillin. Int J Pharm, 312:166–173.
- Genta I, Costantini M, Asti A, Conti B, Montanari L. (1998). Influence of glutaraldehyde on drug release and mucoadhesive properties of chitosan microspheres. Carbohyd Polym, 36, 81–88.
- Marriot C, Hughes, DRL. (1990). Mucus physiology and pathologhy bioadhesion-possibilities and future trends. Stuttgart: Wissenschaftliche Verlagsgesellschaft mbH.
- Bernkop-Schnürch A. (2005). Thiomers: a new generation of mucoadhesive polymers. Adv Drug Deliv Rev, 57:1569–1582.
- Supe AN, Mathur SK, Parulkar BG, Patankar SK, Samsi AB, Tilve GH. (1986). Assessment of gastric emptying by radio-nuclide study. J Postgrad Med, 32:206–209.
- Eriksen CA, Sadek SA, Cuschieri A. (1988). 24-Hour ambulatory dual gastroduodenal pH monitoring: the role of acid in duodenal ulcer disease. Ann Surg, 208, 702–707.
- Gray H, Lewis WH. (1918). Anatomy of the human body. Philadelphia: Lea and Febiger.