Novel approach to obtain antibacterial nanospike surface by titanium bulk nanostructuring followed by ion irradiation

•The methodology was developed to obtain Ti surface with antibacterial properties.•Bulk nanostructuring followed by ion irradiation allow to obtain homogeneous nanospike surface.•Alive bacteria on the homogeneous nanospike surface were not found. High-pressure torsion was used to obtain bulk nanostr...

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Bibliographic Details
Published in:Materials letters 2024-12, Vol.377, p.137455, Article 137455
Main Authors: Mulyukov, R.R., Khisamov, R.Kh, Baimova, J.A., Borisov, A.M., Baymiev, A.K., Musabirov, I.I., Ovchinnikov, M.A., Safarov, I.M., Timiryaev, R.R.
Format: Article
Language:English
Subjects:
High-pressure torsion
Ion irradiation
Nanospikes
Nanostructure
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Summary:•The methodology was developed to obtain Ti surface with antibacterial properties.•Bulk nanostructuring followed by ion irradiation allow to obtain homogeneous nanospike surface.•Alive bacteria on the homogeneous nanospike surface were not found. High-pressure torsion was used to obtain bulk nanostructured Ti and nanospike surface was further obtained after irradiation with 30 keV Ar+ ions. The homogeneous nanospikes with the height of 200 nm and spacing between them of 100 nm were obtained. No alive E. coli bacteria were found on the homogeneous nanospike surface.
ISSN:0167-577X
DOI:10.1016/j.matlet.2024.137455