Chitosan can be used to prepare the carriers, such as nanoparticles (NPs), intelligent gels,
microspheres, nano/microencapsulation, and so on. Its applications in the drug delivery are more
broad. Dextran can be combined with drugs by non-covalent crosslinking method or covalent
modification mode in the course of delivery. The applications of chitosan and dextran as carriers for
drug delivery were summed up herein.
Keywords: Applications, chitosan, carriers, dextran, drug delivery.
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