Abstract
ω-Anhydride-functionalized poly(ethylene oxide) (PEO) obtained from chain-end functionalization and anionic ring-opening polymerization of ethylene oxide usingn-butyllithium with potassiumt-butoxide in the presence of dimethylsulfoxide (DMSO) was found to be an efficient material for the preparation of water-soluble, polymeric pro-drugs. The reaction of ω-anhydride-functionalized PEO with sulfonamide or with vancomycin provided an efficient method to produce corresponding, water-soluble, PEO-conjugated sulfonamide or PEO-conjugated, vancomycin pro-drugs. These were used successfully to prepare water-dispersible, silver nanoparticles. In this study, the particle sizes were in the range of 5∼40 nm. The resulting products were characterized by1H NMR spectroscopy, transmission electron microscopy, electron and X-ray diffraction, size exclusion chromatography, and UV/Visible spectroscopy.
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Kim, T.H., Kim, K., Park, G.H. et al. Preparation and characterization of water-dispersible silver nanoparticles stabilized by PEO-conjugated pro-drugs. Macromol. Res. 17, 770–775 (2009). https://doi.org/10.1007/BF03218613
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DOI: https://doi.org/10.1007/BF03218613