Ir al contenido (pulsa Retorno)

Universitat Politècnica de Catalunya

    • Català
    • Castellano
    • English
    • LoginRegisterLog in (no UPC users)
  • mailContact Us
  • world English 
    • Català
    • Castellano
    • English
  • userLogin   
      LoginRegisterLog in (no UPC users)

UPCommons. Global access to UPC knowledge

58.714 UPC E-Prints
You are here:
View Item 
  •   DSpace Home
  • E-prints
  • Departaments
  • Departament de Física
  • Articles de revista
  • View Item
  •   DSpace Home
  • E-prints
  • Departaments
  • Departament de Física
  • Articles de revista
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Immobilization of antimicrobial core-shell nanospheres onto silicone for prevention of Escherichia coli biofilm formation

Thumbnail
View/Open
Immobilization_TTzanov.pdf (587,8Kb)
Share:
 
 
10.1016/j.procbio.2016.09.011
 
  View Usage Statistics
Cita com:
hdl:2117/95936

Show full item record
Macedo Fernandes, Margarida Maria
Ivanova, Kristina DimitrovaMés informacióMés informacióMés informació
Mendoza Gómez, ErnestoMés informació
Tzanov, TzankoMés informacióMés informacióMés informació
Francesko, Antonio
Document typeArticle
Defense date2016-09-16
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Escherichia coli (E. coli) strains are among the most frequently isolated microorganisms in urinary tract infections able to colonize the surface of urinary catheters and form biofilms. These biofilms are highly resistant to antibiotics and host immune system, resulting in increased morbidity and mortality rates. Strategies to prevent biofilm development, especially via restricting the initial stages of bacteria attachment are therefore urgently needed. Herein, a common urinary catheter material – polydimethylsiloxane (PDMS) – was covalently functionalized with antibacterial aminocellulose nanospheres (ACNSs) using the epoxy/amine grafting chemistry. The PDMS surface was pre-activated with (3-glycidyloxypropyl)-triethoxysilane to introduce epoxy functionalities prior to immobilization of the intact ACNSs via its amino groups. The AC biopolymer was first sonochemically processed into NSs improving by up to 80% its potential to prevent the E. coli biofilm formation on a polystyrene surface. The silicone surface decorated with these NSs demonstrated efficient inhibition of E. coli biofilms, reducing the total biomass when compared with pristine silicone material. Therefore, the functionalization of silicone-based materials with ACNSs shows promise as potential platform for prevention of biofilm-associated infections caused by E. coli.
CitationMacedo, M.M., Ivanova, K., Francesko, A., Mendoza, E., Tzanov, T. Immobilization of antimicrobial core-shell nanospheres onto silicone for prevention of Escherichia coli biofilm formation. "Process biochemistry", August 2017, vol. 59, part A, p-116-122 
URIhttp://hdl.handle.net/2117/95936
DOI10.1016/j.procbio.2016.09.011
ISSN1359-5113
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S1359511316304275
Collections
  • Departament de Física - Articles de revista [1.857]
  • GBMI - Grup de Biotecnologia Molecular i Industrial - Articles de revista [170]
  • Departament d'Enginyeria Química - Articles de revista [1.986]
Share:
 
  View Usage Statistics

Show full item record

FilesDescriptionSizeFormatView
Immobilization_TTzanov.pdf587,8KbPDFView/Open

Browse

This CollectionBy Issue DateAuthorsOther contributionsTitlesSubjectsThis repositoryCommunities & CollectionsBy Issue DateAuthorsOther contributionsTitlesSubjects

© UPC Obrir en finestra nova . Servei de Biblioteques, Publicacions i Arxius

info.biblioteques@upc.edu

  • About This Repository
  • Contact Us
  • Send Feedback
  • Inici de la pàgina