2017
DOI: 10.1038/srep41118
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Nanoscale Topography on Black Titanium Imparts Multi-biofunctional Properties for Orthopedic Applications

Abstract: We have developed a chlorine based reactive ion etching process to yield randomly oriented anisotropic nanostructures that render the titanium metal surface ‘black’ similar to that of black silicon. The surface appears black due to the nanostructures in contrast to the conventional shiny surface of titanium. The nanostructures were found to kill bacteria on contact by mechanically rupturing the cells as has been observed previously on wings of certain insects. The etching was optimized to yield nanostructures … Show more

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Cited by 117 publications
(150 citation statements)
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“…A noticeable change in cell morphology was that some cells became elongated due to “pinning” of osteoblast cells on bactericidal TiO 2 nanowire arrays . Similar results were reported from other groups using different materials or other cell lines …”
Section: Cell‐instructive (Osteogenic and Antibacterial) Nanotopograpsupporting
confidence: 86%
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“…A noticeable change in cell morphology was that some cells became elongated due to “pinning” of osteoblast cells on bactericidal TiO 2 nanowire arrays . Similar results were reported from other groups using different materials or other cell lines …”
Section: Cell‐instructive (Osteogenic and Antibacterial) Nanotopograpsupporting
confidence: 86%
“…Inspired by nature, a number of studies have since been carried out to develop bactericidal nanotopographies on synthetic materials. They include silicon and diamond coated silicon, titanium and its alloy, polymers, stainless steel, and aluminium . Table 3 lists a summary of biomimetic bactericidal surfaces on various materials currently in development.…”
Section: Antimicrobial Nanotopographiesmentioning
confidence: 99%
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