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  Ultrasound-driven titanium modification with formation of titania based nanofoam surfaces

Zhukova, Y., Ulasevich, S. A., Dunlop, J. W. C., Fratzl, P., Möhwald, H., & Skorb, E. V. (2017). Ultrasound-driven titanium modification with formation of titania based nanofoam surfaces. Ultrasonics Sonochemistry, 36, 146-154. doi:10.1016/j.ultsonch.2016.11.014.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-BE65-C Version Permalink: http://hdl.handle.net/21.11116/0000-0003-F775-3
Genre: Journal Article

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 Creators:
Zhukova, Yulia1, Author              
Ulasevich, Sviatlana A.1, Author              
Dunlop, John W. C.2, Author              
Fratzl, Peter3, Author              
Möhwald, Helmuth4, Author              
Skorb, Ekaterina V.1, Author              
Affiliations:
1Katja Skorb (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2231640              
2John Dunlop, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863291              
3Peter Fratzl, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863294              
4Grenzflächen, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863287              

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Free keywords: Ultrasound; Cavitation; Titanium; TiO2; Nanotopography; Roughness
 Abstract: Titanium has been widely used as biomaterial for various medical applications because of its mechanical strength and inertness. This on the other hand makes it difficult to structure it. Nanostructuring can improve its performance for advanced applications such as implantation and lab-on-chip systems. In this study we show that a titania nanofoam on titanium can be formed under high intensity ultrasound (HIUS) treatment in alkaline solution. The physicochemical properties and morphology of the titania nanofoam are investigated in order to find optimal preparation conditions for producing surfaces with high wettability for cell culture studies and drug delivery applications. AFM and contact angle measurements reveal, that surface roughness and wettability of the surfaces depend nonmonotonously on ultrasound intensity and duration of treatment, indicating a competition between HIUS induced roughening and smoothening mechanisms. We finally demonstrate that superhydrophilic bio-and cytocompatible surfaces can be fabricated with short time ultrasonic treatment.

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 Dates: 2016-11-092017
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.ultsonch.2016.11.014
BibTex Citekey: Zhukova2016
PMID: 0526
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Title: Ultrasonics Sonochemistry
  Other : Ultrason. Sonochem.
Source Genre: Journal
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Publ. Info: Oxford : Elsevier
Pages: - Volume / Issue: 36 Sequence Number: - Start / End Page: 146 - 154 Identifier: ISSN: 1350-4177