Macromolecular Research

  • 제17권10호
  • /
  • Pages.770-775
  • /
  • 2009
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  • 1598-5032(pISSN)
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  • 2092-7673(eISSN)
한국고분자학회 (The Polymer Society of Korea)
권호 표지

Preparation and Characterization of Water-Dispersible Silver Nanoparticles Stabilized by PEO-Conjugated Pro-Drugs

  • 발행 : 2009.10.25
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초록

$\omega$-Anhydride-functionalized poly(ethylene oxide) (PEO) obtained from chain-end functionalization and anionic ring-opening polymerization of ethylene oxide using n-butyllithium with potassium t-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 $\omega$-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 $5{\sim}40$ nm. The resulting products were characterized by $^1H$ NMR spectroscopy, transmission electron microscopy, electron and X-ray diffraction, size exclusion chromatography, and UV/Visible spectroscopy.

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