… to review important polymeric materials used in drug delivery, as … in vitro dissolution and oral
absorption of lipophilic drugs. Int. … Chitosan superporous hydrogel composite-based floating …

… glycol diacrylate with an aqueous acetic acid solution of … Chitosan hydrogel was originally
selected as our pioneer … Chitosan has been extensively used in drug delivery and tissue …

… To generate a living tissue in vitro we need 1) cells, which will form … Chitosan is a deacetylated
chitin derivative mostly found in … systems which can find application in drug delivery [66]. …

… , artificial muscles, drug delivery devices and many other … chitosan17 are representative
monomers that form cationic … They synthesized a pH responsive poly(acrylic acid) hydrogel …

… In their research, the in vitro release and antitumor activity of … as chitosan and polyaspartic
acid sodium (CS-PAsp) and poly… Before drug release from the prepared nanoparticles, PLA-…

… Dual stimulus (thermo and pH responsive) hydrogels were also prepared … N-vinyl-2pyrrolidone-polyethylene
glycol diacrylate)-chitosan interpolymeric pH-responsive hydrogels for oral …

… ,10 feedback controlled drug delivery polymers,11 saccharide … Recently, the synthesis and
evaluation of nonreactive … 37 was evaluated against murine S-180 and HSV-1 in vitro. The …

… in the hydrogel system making them suitable for drug delivery.pH responsive hydrogels
have been designed using different polysaccharides including alginates,4 pectin,5 chitosan,…

… drug release profile. This paper reviews the various methods of preparation of chitosan
derivatives intended for controlled drug delivery. From the studies reviewed it is concluded that …