Synergic antibacterial coatings combining titanium nanocolumns and tellurium nanorods

  • David Medina-Cruz
  • , María Ujué González
  • , William Tien-Street
  • , Marcial Fernández-Castro
  • , Ada Vernet-Crua
  • , Iván Fernández-Martínez
  • , Lidia Martínez
  • , Yves Huttel
  • , Thomas J. Webster*
  • , José Miguel García-Martín
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Nanocolumnar titanium coatings have been fabricated in two sputtering systems with very different characteristics (a laboratory setup and semi-industrial equipment), thus possessing different morphologies (150 nm long columns tilted 20° from the normal and 300 nm long ones tilted 40°, respectively). These coatings exhibit similar antibacterial properties against Gram positive (Staphylococcus aureus) and Gram negative (Escherichia coli) bacteria. When a synergic route is followed and these coatings are functionalized with tellurium (Te) nanorods, the antibacterial properties are enhanced, especially for the long nanocolumns case. The biocompatibility is preserved in all the nanostructured coatings.

Original languageEnglish
Pages (from-to)36-46
Number of pages11
JournalNanomedicine: Nanotechnology, Biology, and Medicine
Volume17
DOIs
Publication statusPublished - Apr 2019
Externally publishedYes

Keywords

  • Antibacterial properties
  • Biocompatibility
  • Magnetron sputtering
  • Nanostructured coatings

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