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Scalable fabrication of tunable titanium nanotubes via sonoelectrochemical process for biomedical applications

文献类型： 外文期刊

作者： Mansoorianfar, Mojtaba 1 ; Khataee, Alireza 2 ; Riahi, Zohreh 4 ; Shahin, Khashayar 5 ; Asadnia, Mohsen 6 ; Razmjou 1 ;

作者机构： 1.Nanjing Forestry Univ, Coll Mat Sci & Engn, 159 Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China

2.Univ Tabriz, Fac Chem, Dept Appl Chem, Res Lab Adv Water & Wastewater Treatment Proc, Tabriz 5166616471, Iran

3.Gebze Tech Univ, Dept Environm Engn, TR-41400 Gebze, Turkey

4.Sharif Univ Technol, Dept Mat Sci & Engn, Tehran, Iran

5.Jiangsu Acad Agr Sci, Int Phage Res Ctr IPRC, Nanjing, Peoples R China

6.Macquarie Univ, Sch Engn, Sydney, NSW, Australia

7.Univ Isfahan, Fac Adv Sci & Technol, Dept Biotechnol, Esfahan, Iran

8.Univ New South Wales, UNESCO Ctr Membrane Sci & Technol, Sch Chem Engn, Sydney, NSW, Australia

9.Jiangxi Univ Sci & Technol, Fac Mat Met & Chem, Sch Mat Sci & Engn, Ganzhou 341000, Peoples R China

关键词： TiO2 nanotube; Flow cytometry; S. aureus; Drug-modified nanotube; Antibacterial properties

期刊名称：ULTRASONICS SONOCHEMISTRY （ 影响因子：7.491； 五年影响因子：7.537 ）

ISSN： 1350-4177

年卷期： 2020 年 64 卷

页码：

收录情况： SCI

摘要： Titanium does not react well with the human tissues and due to its bio-inert nature the surface modification has yet to be well-studied. In this study, the sonoelectrochemical process has been carried out to generate TiO2 nanotube arrays on implantable Ti 6-4. All the prepared nanotubes fill with the vancomycin by immersion and electrophoresis method. Drug-releasing properties, antibacterial behavior, protein adsorption and cell attachment of drug-modified nanotubes are examined by UV-vis, flow cytometry, modified disc diffusion, BSA adsorption, and FESEM, respectively. The most uniform morphology, appropriate drug release, cell viability behavior and antibacterial properties can be achieved by samples anodized in the range of 60-75 V. Also improves the adsorption of BSA protein in bone healing and promotes osteoblast activity and osseointegration. Drug loading efficiency increases up to 60% via electrophoresis comparing the immersion method for anodized sample in 75 V. While electrophoresis does not affect the amount of vancomycin adsorption for lower voltages. Besides, the present study indicates that an anodized sample without drug loading has no antibacterial activity. Moreover, 28-days drug releasing from nanotubes is investigated by mathematical formula according to Fickian's law to find an effective dose of loaded drug.

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