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Deposition of Gold Nanoparticles on Polypropylene Nonwoven Pretreated by Dielectric Barrier Discharge and Diffuse Coplanar Surface Barrier Discharge

Authorized Users Only
2013
Authors
Radic, Nina
Obradović, Bratislav M.
Kostic, Mirjana
Dojčinović, Biljana
Hudcova, Marketa
Kuraica, Milorad M.
Cernak, Mirko
Article (Published version)
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Abstract
The aim of this study was to examine and compare the potentials of two different ambient air plasma treatments: volume dielectric barrier discharge and diffuse coplanar surface barrier discharge, for the activation of polypropylene (PP) nonwovens surface. This was done in order to enhance the deposition of gold nanoparticles (AuNPs) onto PP surface. AuNPs were attached onto PP surface from colloidal solution prepared without stabilizers. Scanning electron microscopy, atomic force microscopy, attenuated total reflection-Fourier transform infrared spectroscopy, water absorption, and AuNPs uptake were used to assess the surface changes due to the plasma treatment, and to evaluate the durability of the achieved treatment effects. Finally, as a very important aspiration of the research, antibacterial activity of AuNPs loaded PP nonwovens against pathogens Staphylococcus aureus and Escherichia coli was evaluated in vitro. The plasma modified PP nonwovens have highly improved wetting and sorp...tion properties. The PP nonwovens loaded with 17-62 mg/kg AuNPs exhibit antibacterial activity against tested pathogens. Surprisingly, this activity was enhanced by the first sample rinsing.

Keywords:
Polypropylene / Plasma modification / Dielectric barrier discharge / Gold nanoparticles / Antimicrobial activity
Source:
Plasma Chemistry and Plasma Processing, 2013, 33, 1, 201-218
Publisher:
  • Springer, New York
Projects:
  • Ministry of Industry and Trade of the CR - 2A-3TP1/126
  • Research & Development Operational Programme
  • ERDF - 26240220002
  • ERDF - 2622020004
  • Diagnostics and Optimization of Plasma Sources Important for Applications (RS-171034)
  • Functionalization, characterization and application of cellulose and cellulose derivatives (RS-172029)
  • Application of advanced oxidation processes and nanostructured oxide materials for the removal of pollutants from the environment, development and optimisation of instrumental techniques for efficiency monitoring (RS-172030)
  • COST Action - CM0601

DOI: 10.1007/s11090-012-9414-8

ISSN: 0272-4324

WoS: 000314299600012

Scopus: 2-s2.0-84873410065
[ Google Scholar ]
12
11
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1318
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