• Characterization and Antibacterial Properties of Genipin-crosslinked Chitosan/TiO2 Nanocomposites
  • Liu Y, Lu J, Li M, He C
  • Genipin 가교된 키토산/산화티타늄 나노복합체의 향균성을 포함한 특성 분석
Abstract
Novel nanocomposite films consisting of genipin-crosslinked chitosan (GC), poly(ethylene glycol) (PEG), titanium dioxide (TiO2), and silver (Ag) nanoparticles were prepared containing various amounts of TiO2 and Ag nanoparticles. The effects of composition and TiO2 nanoparticles on the physico-chemical properties of nanocomposite sampleswere evaluated by X-ray diffraction and infrared analysis. The greatest swellings were observed in the acidic pH. GC/PEG/TiO2/Ag nanocomposite showed the pH-sensitive swelling behavior and the improved mechanical properties. These nanocomposites were shown to have antibacterial activity towards Escherichia coli. GC/PEG/TiO2/Ag composite films had higher antimicrobial activities than GC/PEG and GC/PEG/TiO2 nanocomposite films. GC/PEG/TiO2/Ag composite films have potential application as wound dressings.

Keywords: chitosan; swelling; titanium dioxide; silver; antimicrobial activity; wound dressing

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2024 Impact Factor : 0.6
  • Indexed in SCIE

This Article

  • 2016; 40(2): 251-257

    Published online Mar 25, 2016

  • 10.7317/pk.2016.40.2.251
  • Received on Oct 10, 2015
  • Accepted on Dec 19, 2015