RT Journal Article
T1 Nanofibrous polysulfone/TiO2 nanocomposites: surface properties and their relation with E. coli adhesion
A1 Teno Díaz, Jorge
A1 Gonzalez Gaitano, Gustavo
A1 González Benito, Francisco Javier
AB Solution blow spinning, SBS, was used to prepare fibrous films of thermoplastic nanocomposites with potential antibacterial properties based on polysulfone, PSF, filled with well dispersed TiO2 nanoparticles. The PSF/TiO2 nanocomposites were produced with different nanoparticles content up to 10% by weight. A wide characterization was carried out focusing on the morphology at the nanoscale, roughness, contact angles, and surface free energy. Cell adhesion was studied by inspection by scanning electron microscopy (SEM). A uniform dispersion of the nanofiller was achieved, with the nanoparticles evenly embedded in the polymer along the fibers when they were created during the blow spinning process. TiO2 content influenced the topography of the films, most likely due to a direct effect on the solvent evaporation rate. The results obtained pointed out that an increase of the surface hydrophobicity as a result of the increased roughness induced by the presence of TiO2 nanoparticles was the main contribution to the reduction of DH5α Escherichia coli cells adhesion.
PB Wiley
SN 0887-6266
YR 2017
FD 2017-11-01
LK https://hdl.handle.net/10016/32919
UL https://hdl.handle.net/10016/32919
LA eng
NO This work was financially supported by the Projects MAT2014-59116-C2 (Ministerio de Economía y Competitividad); 2012/00130/004 (Fondos de Investigación de Fco. Javier Gonzalez Benito, política de reinversión de costes generales, Universidad Carlos III de Madrid) and 2011/00287/002 (Acción Estratégica en Materiales Compuestos poliméricos e Interfases, Universidad Carlos III de Madrid).
DS e-Archivo
RD 27 jul. 2024