Polysaccharide is a kind of biological material, which has good biocompatibility, non-toxicity,
and non-immunogenicity. So, the polysaccharide has widely been applied in drug delivery system. The applications
of chitosan, hyaluronic acid and dextran in drug delivery have been summarized herein.
Keywords: Applications, drug carriers, drug delivery, polysaccharides, sustained-controlled release, tumor targeting.
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