• K Kumari

      Articles written in Bulletin of Materials Science

    • Studies on in vitro release of CPM from semi-interpenetrating polymer network (IPN) composed of chitosan and glutamic acid

      K Kumari P P Kundu

      More Details Abstract Fulltext PDF

      Interpenetrating polymer network (IPN) beads consisting of chitosan–glutamic acid were prepared for in vitro study of controlled release of chlorpheniramine maleate (CPM). A viscous solution of chitosan–glutamic acid was prepared in 2% acetic acid solution, extruded as droplets through a syringe to alkali–methanol solution and the precipitated beads were crosslinked using glutaraldehyde solution. Swelling and drug release studies were carried out. Transport of release medium through the semi-IPN depended upon its pH and extent of crosslinking. The structural and morphological studies of beads were carried out by using a scanning electron microscope (SEM). The larger surface area of beads as well as their ease of handling makes them ideal agents of controlled release.

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