Modification of titanium surface via Ag-, Sr- and Si-containing micro-arc calcium phosphate coating

Mariya B. Sedelnikova; Ekaterina G. Komarova; Yurii P. Sharkeev; Anna V. Ugodchikova; Tatiana V. Tolkacheva; Julietta V. Rau; Evgeny E. Buyko; Vladimir V. Ivanov; Vladimir V. Sheikin

Bioactive Materials (Dec 2019)

Modification of titanium surface via Ag-, Sr- and Si-containing micro-arc calcium phosphate coating

Mariya B. Sedelnikova,
Ekaterina G. Komarova,
Yurii P. Sharkeev,
Anna V. Ugodchikova,
Tatiana V. Tolkacheva,
Julietta V. Rau,
Evgeny E. Buyko,
Vladimir V. Ivanov,
Vladimir V. Sheikin

Affiliations

Mariya B. Sedelnikova: Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, Tomsk, 634055, Russia; Corresponding author.
Ekaterina G. Komarova: Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, Tomsk, 634055, Russia
Yurii P. Sharkeev: Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, Tomsk, 634055, Russia; National Research Tomsk Polytechnic University, Lenina Prospect 30, Tomsk, 634050, Russia
Anna V. Ugodchikova: National Research Tomsk Polytechnic University, Lenina Prospect 30, Tomsk, 634050, Russia
Tatiana V. Tolkacheva: Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, Tomsk, 634055, Russia
Julietta V. Rau: Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Roma, Italy
Evgeny E. Buyko: National Research Tomsk Polytechnic University, Lenina Prospect 30, Tomsk, 634050, Russia; Siberian State Medical University, Moscovskii Tract 2, Tomsk, 634050, Russia
Vladimir V. Ivanov: Siberian State Medical University, Moscovskii Tract 2, Tomsk, 634050, Russia
Vladimir V. Sheikin: Siberian State Medical University, Moscovskii Tract 2, Tomsk, 634050, Russia

Journal volume & issue: Vol. 4
pp. 224 – 235

Abstract

Read online

The current research is devoted to the study of the modification of the titanium implants by the micro-arc oxidation with bioactive calcium phosphate coatings containing Ag or Sr and Si elements. The coatings’ microstructure, phase composition, morphology, physicochemical and biological properties were examined by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD). Ag-containing and Sr-Si-incorporated coatings were formed in alkaline and acid electrolytes, respectively. The formation of the coatings occurred at different ranges of the applied voltages, which led to the significant difference in the coatings properties. The trace elements Ag, Sr and Si participated intensively in the plasma-chemical reactions of the micro-arc coatings formation. Ag-containing coatings demonstrated strong antibacterial effect against Staphylococcus aureus AТСС 6538-P. MTT in vitro test with 3T3-L1 fibroblasts showed no cytotoxicity appearance on Sr-Si-incorporated coatings. Keywords: Trace elements, Biocoatings, Micro-arc oxidation, Titanium substrate, Antibacterial activity

Published in Bioactive Materials

ISSN: 2452-199X (Online)
Publisher: KeAi Communications Co., Ltd.
Country of publisher: China
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials; Science: Biology (General)
Website: https://www.keaipublishing.com/en/journals/bioactive-materials/

About the journal