Metal nanoparticle‐hydrogel nanocomposites for biomedical applications – An atmospheric pressure plasma synthesis approach

Hugo Nolan, Daye Sun, Brian G. Falzon, Supriya Chakrabarti, Dilli Babu Padmanaban, P Maguire, Davide Mariotti, Tao Yu, David Jones, Gavin Andrews

Research output: Contribution to journalArticle

10 Citations (Scopus)
8 Downloads (Pure)

Abstract

The development of multifunctional nanocomposite materials is of great interest for various biomedical applications. A popular approach to produce tailored nanocomposites is to incorporate functional nanoparticles into hydrogels. Here, a benign atmospheric pressure microplasma synthesis approach has been deployed for the synthesis of metal and alloy NPs in‐situ in a poly (vinyl alcohol) hydrogel. The formation of gold, silver, and gold‐silver alloy NPs was confirmed via spectroscopic and microscopic characterization techniques. The properties of the hydrogel were not compromised during formation of the composites. Practical applications of the NP/PVA nanocomposites has been demonstrated by anti‐bacterial testing. This establishes AMP processing as a viable one‐step technique for the fabrication of NP/hydrogel composites, with potential multifunctionality for a range of biomedical applications.
Original languageEnglish
Number of pages10
JournalPlasma Processes and Polymers
Volume15
Issue number11
Early online date9 Oct 2018
DOIs
Publication statusPublished - Nov 2018

Keywords

  • anti-bacterial composites
  • atmospheric pressure microplasma synthesis
  • biomedical materials
  • green synthesis
  • NP/hydrogel composites

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