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*

*Bu çalışma için yazışmadan sorumlu yazar

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31 Atıf (Scopus)

Özet

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.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)119-126
Sayfa sayısı8
DergiMaterials Technology
Hacim33
Basın numarası2
DOI'lar
Yayın durumuYayınlandı - 28 Oca 2018

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

Finansman

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.

FinansörlerFinansör numarası
ITU-BAP38832
TUBITAK111M517
European Cooperation in Science and TechnologyMP1005
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu
Istanbul Teknik Üniversitesi

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