In vitro evaluation and application of Carbopol 940- tragacanth binary mixtures in the formulation of bio-adhesive hyoscine hydrobromide tablet.

detachment of polymer coated glass beads/bio-adhesive tablets and measurements of force of adhesion of polymer-coated plate/bio-adhesive tablets were employed in the in vitro bio-adhesive assessment of carbopol 940, tragacanth and their binary mixtures on isolated mucin and on intestinal mucus.