Chitosan is a naturally occurring amino polysaccharide obtained by deacetylation of chitin
and is second most commonly used natural polymer. Its non-toxic, biocompatibility and …

Chitosan is a biopolymer obtained from chitin, one of the most abundant and renewable
materials on Earth. Chitin is a primary component of cell walls in fungi, the exoskeletons of …

Polymers are used in drug delivery devices for drug encapsulation and release. Natural
polymers often have advantages such as biocompatibility, biodegradability and biologically …

Within the past 20years, a considerable amount of work has been published on chitosan
and its potential use in drug delivery systems. In contrast to all other polysaccharides having …

The process of mucoadhesion involving a polymeric drug delivery platform is a complex one
that includes wetting, adsorption and interpenetration of polymer chains amongst various …

The enormous variety of polysaccharides that can be extracted from marine plants and
animal organisms or produced by marine bacteria means that the field of marine …

Chitosan is a biopolymer obtained from chitin, one of the most abundant and renewable
material on Earth. Chitin is a primary component of cell walls in fungi, the exoskeletons of …

The aim of the present work was to obtain an ophthalmic delivery system with improved
mechanical and mucoadhesive properties that could provide prolonged retention time for …

The vagina is an important area of the reproductive tract and serves as a potential route of
drug administration. Beside locally acting drugs it is also of importance for systemic drug …

The vagina has been considered a potential drug administration route for centuries. Most of
the currently marketed and investigated vaginal formulations are composed with the use of …