Optimisation of micro-arc oxidation electrolyte for fabrication of antibacterial coating on titanium

Dilek Teker Aydogan; Faiz Muhaffel; Meryem Menekse Kilic; Ozge Karabiyik Acar; Grzegorz Cempura; Murat Baydogan; Nevin Gul Karaguler; Gamze Torun Kose; Aleksandra Czyrska-Filemonowicz; Huseyin Cimenoglu

doi:10.1080/10667857.2017.1391931

Optimisation of micro-arc oxidation electrolyte for fabrication of antibacterial coating on titanium

Dilek Teker Aydogan, Faiz Muhaffel, Meryem Menekse Kilic, Ozge Karabiyik Acar, Grzegorz Cempura, Murat Baydogan, Nevin Gul Karaguler, Gamze Torun Kose, Aleksandra Czyrska-Filemonowicz, Huseyin Cimenoglu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

This study has been carried out to optimise the silver (Ag) content of the coating synthesised on commercially pure titanium (Cp–Ti, Grade 4) for biomedical applications by micro-arc oxidation (MAO) process. The MAO process has been conducted in electrolytes containing silver acetate (AgC₂H₃O₂) at different concentrations between 0 and 0·002 mol L⁻¹. When compared to the base electrolyte, coatings synthesised in ≥0·001 mol L⁻¹ AgC₂H₃O₂ added electrolytes exhibited an antibacterial efficiency of 99·98% against Staphylococcus aureus (S. aureus). Detailed examination revealed that the presence of 0·001 mol L⁻¹ AgC₂H₃O₂ in the electrolyte resulted in incorporation of 1·14 wt-% Ag into fabricated coating consisting mainly of outer hydroxyapatite (HA) and inner titanium oxide (TiO₂) layers. In comparison to the Ag-free coating, 1·14 wt-% Ag in the coating lowered the proliferation of SAOS-2 cells, which still tended to grow at a relatively low rate with increasing culturing time.

Original language	English
Pages (from-to)	119-126
Number of pages	8
Journal	Materials Technology
Volume	33
Issue number	2
DOIs	https://doi.org/10.1080/10667857.2017.1391931
Publication status	Published - 28 Jan 2018

Bibliographical note

Publisher Copyright:
© 2017 Informa UK Limited, trading as Taylor & Francis Group.

Funding

This work was supported by the Scientific and Technological Research Council of Turkey (TUBITAK) [grant number 111M517]; Istanbul Technical University (ITU) through ITU-BAP [grant number 38832] and European Cooperation in Science and Technology (COST) Project [grant number MP1005]. The authors are grateful for the financial support of The Scientific and Technological Research Council of Turkey (TUBITAK) Project grant number 111M517, Istanbul Technical University (ITU) through ITU-BAP grant number 38832 and European Cooperation in Science and Technology (COST) Project grant number MP1005.

Funders	Funder number
ITU-BAP	38832
TUBITAK	111M517
European Cooperation in Science and Technology	MP1005
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu
Istanbul Teknik Üniversitesi

Keywords

Antibacterial test
Cell culture test
hydroxyapatite
Micro-arc oxidation
Titanium
Titanium oxide

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10.1080/10667857.2017.1391931

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title = "Optimisation of micro-arc oxidation electrolyte for fabrication of antibacterial coating on titanium",

abstract = "This study has been carried out to optimise the silver (Ag) content of the coating synthesised on commercially pure titanium (Cp–Ti, Grade 4) for biomedical applications by micro-arc oxidation (MAO) process. The MAO process has been conducted in electrolytes containing silver acetate (AgC2H3O2) at different concentrations between 0 and 0·002 mol L−1. When compared to the base electrolyte, coatings synthesised in ≥0·001 mol L−1 AgC2H3O2 added electrolytes exhibited an antibacterial efficiency of 99·98% against Staphylococcus aureus (S. aureus). Detailed examination revealed that the presence of 0·001 mol L−1 AgC2H3O2 in the electrolyte resulted in incorporation of 1·14 wt-% Ag into fabricated coating consisting mainly of outer hydroxyapatite (HA) and inner titanium oxide (TiO2) layers. In comparison to the Ag-free coating, 1·14 wt-% Ag in the coating lowered the proliferation of SAOS-2 cells, which still tended to grow at a relatively low rate with increasing culturing time.",

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AU - Cempura, Grzegorz

AU - Baydogan, Murat

AU - Karaguler, Nevin Gul

AU - Torun Kose, Gamze

AU - Czyrska-Filemonowicz, Aleksandra

AU - Cimenoglu, Huseyin

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Optimisation of micro-arc oxidation electrolyte for fabrication of antibacterial coating on titanium

Abstract

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Keywords

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