Antimicrobial organic–inorganic composite membranes including sepiolite-supported nanometals

Antimicrobial organic–inorganic composite membranes including sepiolite-supported nanometals

In this study, composite polysulfone–polyvinylpyrrolidone (PSU–PVP) membranes were prepared using silver and copper loaded sepiolite as a filler. Metal-loaded sepiolite was evenly dispersed within the membranes. No leaching of metal particles was observed during use and only dissolved metals were re...

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Veröffentlicht in:RSC advances 2017, Vol.7 (4), p.2323-2332
Hauptverfasser: Díez, Berta, Santiago-Morales, Javier, Martínez-Bueno, María Jesús, Fernández-Alba, Amadeo R., Rosal, Roberto
Format: Artikel
Sprache:eng
Schlagworte:
Antimicrobial agents
Copper
Deactivation
E coli
Leaching
Membranes
Metal particles
Microorganisms
Photomicrographs
Polysulfone resins
Polyvinylpyrrolidone
Rate constants
Sepiolite
Silver
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Beschreibung
Zusammenfassung:In this study, composite polysulfone–polyvinylpyrrolidone (PSU–PVP) membranes were prepared using silver and copper loaded sepiolite as a filler. Metal-loaded sepiolite was evenly dispersed within the membranes. No leaching of metal particles was observed during use and only dissolved metals were responsible for membrane antimicrobial activity. The membranes displayed high antibacterial activity showing surfaces free of bacterial colonisation (
ISSN:2046-2069
2046-2069
DOI:10.1039/C6RA26044F