Rumored Buzz on sustained release and controlled release formulation slideshare
Hydrogels are a few-dimensional community of hydrophilic cross-joined polymer that do not dissolve but can swell in drinking water or can respond to the fluctuations in the environmental stimuli Hydrogels are extremely absorbent (they could have more than 90% h2o) all-natural or artificial polymeric networks Hydrogels also have a degree of versati