نتایج جستجو برای: mucoadhesion
تعداد نتایج: 345 فیلتر نتایج به سال:
The aim of the present study is to formulate and evaluate the Immediate release oral dispersible film formulation of lornoxicam with different ratios polymeric combinations by the solvent evaporation technique. . Lornoxicam, a potent non-steroidal antiinflammatory drug (NSAID) with shorter half life, makes the development of immediate release dosage forms extremely advantageous. These formulati...
Mucoadhesive chitosan microspheres of amlodipine besylate were prepared for nasal administration with the aim of avoiding the first pass effect. A series of batches of microspheres were prepared by simple emulsification crosslinking method to optimize parameters like external phase (mixture of heavy and light liquid paraffin in the ratio of 1:1), stirring rate (1200 rpm), dioctyl sodium sulfosu...
High protein dairy beverages are considered to be mouth drying. The drying sensation may be due to the product protein content; however the mechanism of this mouth drying is uncertain. This study investigated the potential adhesion of milk proteins to porcine oral mucosa in vitro. Purified casein and β-lactoglobulin were fluorescently labelled, placed on porcine oral mucosal tissues and their r...
Polymeric delivery systems based on nanoparticles have emerged as a promising approach for peroral insulin delivery. The aim of the present study was to investigate the release of insulin nanoparticulate systems and ex vivo studies. The nanoparticles were prepared by the ion gelation method. Particle size distribution, zeta potential, and polydispersity index of the nanoparticles were determine...
Domperidone microspheres for intranasal administration were prepared by emulsification crosslinking technique. Starch a biodegradable polymer was used in preparation of microspheres using epichlorhydrine as cross-linking agent. The formulation variables were drug concentration and polymer concentration and batch of drug free microsphere was prepared for comparisons. All the formulations were ev...
In this study, thiolated alginate was synthesized by introduction of cysteine to alginate to prepare mucoadhesive alginate/poly (L-lysine)/thiolated alginate (APTA) microcapsules for efficient oral delivery of Lactobacillus salivarius 29 (LS29), a novel therapeutic Lactobacillus strain, in vitro and in vivo. About 759 +/- 32.4 microM of cysteine per gram of alginate was introduced by estimation...
The objective of the present investigation was to prepare and evaluate ocular inserts of moxifloxacin. An ocular insert was made from an aqueous dispersion of moxifloxacin, sodium alginate, polyvinyl alcohol, and dibutyl phthalate by the film casting method. The ocular insert (5.5 mm diameter) was cross-linked by CaCl2 and was coated with Eudragit S-100, RL-100, RS-100, E-100 or L-100. The in v...
The aim of this study was to investigate the gastrointestinal (GI) transit and mucoadhesive properties of complexation hydrogels, poly(methacrylic acid-grafted-ethylene glycol). The fluorescent labeled complexation hydrogels containing different molar ratios of methacrylic acid/ethylene glycol and different particle diameters were synthesized by free radical solution polymerization. The GI tran...
The delayed release and mucoadhesive properties of Cedrela gum and hydroxypropylmethylcellulose blend in diclofenac sodium tablet formulations were evaluated. Tablets were prepared by direct compression and the crushing strength and detachment force were found to increase from 74.49 ± 1.22 to 147.25 ± 2.57 N and 0.302 ± 0.36 to 1.141 ± 0.05 N from low to high level of polymers, respectively. Th...
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