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Description
  • In situ polymerised thin polyaniline (PANI) films produced on polystyrene dishes were tested for their antibacterial activity with respect to Escherichia coli and Staphylococcus aureus, representing both gram-positive and gram-negative bacteria. PANI films were subsequently used for the reduction of silver ions to metallic Ag. PANI salt and base in original forms and after the deposition of Ag were studied. PANI salt showed a significant antibacterial effect against both bacteria strains while the efficacy of neat PANI base was only marginal. After the Ag deposition, the PANI base exhibited different levels of antibacterial effect depending on the type of the bacterial strain; the growth of gram-positive Staphylococcus aureus was inhibited depending on the Ag concentration on the film, while Escherichia coli remained uninfluenced. Efficacy of the PANI salt with deposited Ag against both bacteria strains was comparable with that of PANI alone and was not affected by the Ag concentration. The results show that Ag deposition can be a suitable method for the preparation of PANI base films with improved antibacterial properties.
  • In situ polymerised thin polyaniline (PANI) films produced on polystyrene dishes were tested for their antibacterial activity with respect to Escherichia coli and Staphylococcus aureus, representing both gram-positive and gram-negative bacteria. PANI films were subsequently used for the reduction of silver ions to metallic Ag. PANI salt and base in original forms and after the deposition of Ag were studied. PANI salt showed a significant antibacterial effect against both bacteria strains while the efficacy of neat PANI base was only marginal. After the Ag deposition, the PANI base exhibited different levels of antibacterial effect depending on the type of the bacterial strain; the growth of gram-positive Staphylococcus aureus was inhibited depending on the Ag concentration on the film, while Escherichia coli remained uninfluenced. Efficacy of the PANI salt with deposited Ag against both bacteria strains was comparable with that of PANI alone and was not affected by the Ag concentration. The results show that Ag deposition can be a suitable method for the preparation of PANI base films with improved antibacterial properties. (en)
Title
  • Antibacterial properties of polyaniline-silver films
  • Antibacterial properties of polyaniline-silver films (en)
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  • Antibacterial properties of polyaniline-silver films
  • Antibacterial properties of polyaniline-silver films (en)
skos:notation
  • RIV/70883521:28110/13:43869683!RIV14-GA0-28110___
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  • I, P(GA13-08944S)
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  • 8
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  • 61366
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  • RIV/70883521:28110/13:43869683
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  • antibacterial properties||Escherichia coli||polyaniline||silver||Staphylococcus aureus (en)
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  • PL - Polská republika
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  • [A44D1E5A0E6D]
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  • Chemical Papers
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  • 67
http://linked.open...iv/tvurceVysledku
  • Humpolíček, Petr
  • Kašpárková, Věra
  • Kuceková, Zdenka
  • Stejskal, Jaroslav
  • Ševčíková, Petra
http://linked.open...ain/vavai/riv/wos
  • 000318443700029
issn
  • 0366-6352
number of pages
http://bibframe.org/vocab/doi
  • 10.2478/s11696-013-0385-x
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  • 28110
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