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Core–shell structured multifunctional nanocarriers (NCs) of ZnO quantum dots-conjugated gold nanoparticles (Au NPs) as core and amphiphilic hyperbranched block copolymer as shell were synthesized for targeted anticancer drug delivery. The amphiphilic hyperbranched block copolymer contained poly(l-lactide) (PLA) inner arm and folate (FA)-conjugated a sulfated polysaccharide from Gynostemma pentaphyllum...
A native polysaccharides (GPP2) was isolated from Gynostemma pentaphyllum Makino. Four sulfated derivatives of GPP2 (GPP2-s1 to s4) were prepared by chlorosulfonic acid method with ionic liquids (ILs) as solvent and 4-dimethylaminopyridine (DMAP) as catalyst. The structures of the sulfated derivatives were analyzed by FT-IR spectra and 13 C NMR spectra, which indicated that the sulfated groups...
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