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- Zhang, Ranran (author)
Micro/nanostructured TiO2/ZnO coating enhances osteogenic activity of SaOS-2 cells
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- 2019-07-15
- Informa UK Limited,2019
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-171804
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-171804URI
- https://doi.org/10.1080/21691401.2018.1546187DOI
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- Language:English
- Summary in:English
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- Although titanium implants account for a large proportion of the commercial dental market, their bioactivity are inadequate in many applications. A micro- and nano- scale hierarchical surface topography of the implant is suggested for rapid osseointegration from the biomimetic perspective. Moreover, Zinc (Zn) is an essential element in the skeletal system. Thus, a micro/nanostructured TiO2/ZnO coating, produced by micro-arc oxidation, and hydrothermal treatment, and heat treatment, was designed to endow the implant surface with enhanced osteogenic capacity. Physiochemical properties and biological effects of this coating were investigated in our study. The annealed micro/nanostructured TiO2/ZnO coating exhibited higher hydrophilicity and fibronectin adsorption ability compared to the micro-arc oxidation modified TiO2 coating. SaOS-2 cells grown on the annealed micro/nanostructured TiO2/ZnO coating showed increased alkaline phosphatase activity and collagen secretion, and immunofluorescence labeling revealed an upregulation of osteopontin, collagen type iota and osteocalcin. The micro/nanostructure and incorporation of Zn were considered to perform positive effect on the enhanced osteogenic activity of SaOS-2 cells. In conclusion, the micro/nanostructured TiO2/ZnO structure is simple, stable, and easy to produce and scale up, has promising applications in the surface modification of titanium implants.
Subject headings and genre
- NATURVETENSKAP Kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences hsv//eng
- Ti implant
- zinc
- micro/nanostructure
- osteogenesis
Added entries (persons, corporate bodies, meetings, titles ...)
- Xu, Nan (author)
- Liu, Xujie (author)
- Yang, Xing (author)
- Yan, Hao (author)
- Ma, Jing (author)
- Feng, Qingling (author)
- Shen, ZhijianStockholms universitet,Institutionen för material- och miljökemi (MMK),Tsinghua University, China(Swepub:su)shen (author)
- Stockholms universitetInstitutionen för material- och miljökemi (MMK) (creator_code:org_t)
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- In:Artificial cells nanomedicine and biotechnology: Informa UK Limited47:1, s. 2838-28452169-14012169-141X
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