Surface Characterization and Antibacterial Efficiency of Well-ordered TiO Nanotube Surfaces Fabricated on Titanium Foams

Overview

Journal Sci Rep

Specialty Science

Date 2024 Jan 5

PMID 38182771

Authors

Salih Durdu

Dila Sivlin

Kadriye Ozcan

Selin Kalkan

Ozgul Keles

Metin Usta

Affiliations

Soon will be listed here.

Abstract

Titanium (Ti)-based implants are not compatible enough due to their bio-inert character, insufficient antibacterial capabilities and stress-shielding problem for dental and orthopaedic implant applications. Thus, this work focused to fabricate, analyze and improve antibacterial properties titanium dioxide (TiO) nanotube array surfaces on Ti foam by anodic oxidation (AO) process. The well-ordered nanotube arrays with approximately 75 nm were successfully fabricated at 40 V for 1 h on Ti foams. Ti and O were observed as major elements on AO-coated Ti foam surfaces. In addition, the existence of TiO structure was proved on AO-coated foam Ti surfaces. For potential dental and orthopedic implant application, in vitro antibacterial properties were investigated versus Staphylococcus aureus and Escherichia coli. For both bacteria, antibacterial properties of TiO nanotube surface were greater than bare Ti foam. The bacterial inhibition versus Staphylococcus aureus and Escherichia coli of TiO nanotube surfaces are improved as 53.3% and 69.4% compared to bare Ti foam.

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