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Vertical graphene nanoarray decorated with Ag nanoparticles exhibits enhanced antibacterial effects

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Titel: Vertical graphene nanoarray decorated with Ag nanoparticles exhibits enhanced antibacterial effects
Autoren: Zhang, Jian, 1989, Pandit, Santosh, 1987, Rahimi, Shadi, 1982, Cao, Zhejian, 1991, Mijakovic, Ivan, 1975
Quelle: Graphene-based drug delivery systems for treating MRSA infections Förstå interaktionen mellan grafenbaserad beläggning på tandimplantat och perio-implantibakterier Grafenbaserad CRISPR-Cas9 genmodifiering av växtceller Graphene-based CRISPR-Cas 9 gene modification to plant cells Journal of Colloid and Interface Science. 676:808-816
Schlagwörter: Ag nanoparticles, Antibacterial properties, Vertical graphene, Cytotoxicity, Polydopamine
Beschreibung: Bacterial infection of biomedical implants is an important clinical challenge, driving the development of novel antimicrobial materials. The antibacterial effect of vertically aligned graphene as a nanoarray coating has been reported. In this study, vertically aligned graphene nanosheets decorated with silver nanoparticles were fabricated to enhance antibacterial effectiveness. Vertical graphene (VG) nanoflakes were synthesized by plasma-enhanced chemical vapor deposition (PECVD). Ag nanoparticles were attached to the surface of VG through using polydopamine and achieving a sustained release of Ag+. VG loaded with Ag nanoparticles (VGP/Ag) not only prevented bacterial adhesion for a long time, but also exhibited good biocompatibility. This work provides a new venue for designing antibacterial surfaces based on combination of graphene nanoarrays with other nanomaterials, and the results indicate that this approach could be very successful in preventing implant associated infections.
Dateibeschreibung: electronic
Zugangs-URL: https://research.chalmers.se/publication/546519
https://research.chalmers.se/publication/546519/file/546519_Fulltext.pdf
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Items – Name: Title
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  Data: Vertical graphene nanoarray decorated with Ag nanoparticles exhibits enhanced antibacterial effects
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Jian%22">Zhang, Jian</searchLink>, 1989<br /><searchLink fieldCode="AR" term="%22Pandit%2C+Santosh%22">Pandit, Santosh</searchLink>, 1987<br /><searchLink fieldCode="AR" term="%22Rahimi%2C+Shadi%22">Rahimi, Shadi</searchLink>, 1982<br /><searchLink fieldCode="AR" term="%22Cao%2C+Zhejian%22">Cao, Zhejian</searchLink>, 1991<br /><searchLink fieldCode="AR" term="%22Mijakovic%2C+Ivan%22">Mijakovic, Ivan</searchLink>, 1975
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <i>Graphene-based drug delivery systems for treating MRSA infections Förstå interaktionen mellan grafenbaserad beläggning på tandimplantat och perio-implantibakterier Grafenbaserad CRISPR-Cas9 genmodifiering av växtceller Graphene-based CRISPR-Cas 9 gene modification to plant cells Journal of Colloid and Interface Science</i>. 676:808-816
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Ag+nanoparticles%22">Ag nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Antibacterial+properties%22">Antibacterial properties</searchLink><br /><searchLink fieldCode="DE" term="%22Vertical+graphene%22">Vertical graphene</searchLink><br /><searchLink fieldCode="DE" term="%22Cytotoxicity%22">Cytotoxicity</searchLink><br /><searchLink fieldCode="DE" term="%22Polydopamine%22">Polydopamine</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Bacterial infection of biomedical implants is an important clinical challenge, driving the development of novel antimicrobial materials. The antibacterial effect of vertically aligned graphene as a nanoarray coating has been reported. In this study, vertically aligned graphene nanosheets decorated with silver nanoparticles were fabricated to enhance antibacterial effectiveness. Vertical graphene (VG) nanoflakes were synthesized by plasma-enhanced chemical vapor deposition (PECVD). Ag nanoparticles were attached to the surface of VG through using polydopamine and achieving a sustained release of Ag+. VG loaded with Ag nanoparticles (VGP/Ag) not only prevented bacterial adhesion for a long time, but also exhibited good biocompatibility. This work provides a new venue for designing antibacterial surfaces based on combination of graphene nanoarrays with other nanomaterials, and the results indicate that this approach could be very successful in preventing implant associated infections.
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      – Type: doi
        Value: 10.1016/j.jcis.2024.07.173
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      – Text: English
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        PageCount: 9
        StartPage: 808
    Subjects:
      – SubjectFull: Ag nanoparticles
        Type: general
      – SubjectFull: Antibacterial properties
        Type: general
      – SubjectFull: Vertical graphene
        Type: general
      – SubjectFull: Cytotoxicity
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      – TitleFull: Vertical graphene nanoarray decorated with Ag nanoparticles exhibits enhanced antibacterial effects
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            NameFull: Zhang, Jian
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              M: 01
              Type: published
              Y: 2024
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            – TitleFull: Graphene-based drug delivery systems for treating MRSA infections Förstå interaktionen mellan grafenbaserad beläggning på tandimplantat och perio-implantibakterier Grafenbaserad CRISPR-Cas9 genmodifiering av växtceller Graphene-based CRISPR-Cas 9 gene modification to plant cells Journal of Colloid and Interface Science
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