Xanthan gum is an extracellular polymer produced mainly by the bacterium Xanthomonas
campestris. Traditionally it plays an important role in industrial applications as thickener …

Pharmaceutical formulations have to fulfil various requirements with respect to their intended
use, either in the development phase or as a commercial product. New drug candidates with …

Hydrogels are three-dimensional polymeric structures with remarkable physicochemical and
mechanical properties. The selection of biopolymers as constituents of hydrogels is of great …

A cheap and biodegradable modifier, cationic starch (CS), was used to turn local soils into
effective flocculants for Microcystis aeruginosa (M. aeruginosa) removal. The isoelectric …

The aim of this study was to investigate drug release mechanisms from physical mixtures of
chitosan–anionic polymers-based matrix tablets and to obtain a comprehensive …

Simulating the comprehensive functions of native skin—and not simply the perception of
external physical stimuli—by electronic skin (e-skin) has gathered increasing attention in the …

Shellac is an important coating material for food products. Since the introduction of aqueous
ammoniacal solutions it also regained importance for pharmaceutical applications. Because …

Poly (methylvinylether-co-maleic acid)(PMVE/MA) is commonly used as a component of
pharmaceutical platforms, principally to enhance interactions with biological substrates …

Kollidon® SR-based matrix tablets containing various amounts of diprophylline were
prepared and thoroughly characterized in vitro. This includes drug release measurements in …

The key element in drug release from hydrophilic matrix tablets is the gel layer that regulates
the penetration of water and controls drug dissolution and diffusion. We have selected …