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Improved adherence and spreading of Saos-2 cells on polypropylene surfaces achieved by surface texturing and carbon nitride coating.
Microsensor Laboratory, School of Engineering and Technology, Savonia University of Applied Sciences, Kuopio, Finland; Department of Physics, University of Kuopio, Kuopio, Finland.
Department of Physics, University of Kuopio, Kuopio, Finland.
Department of Physics, University of Kuopio, Kuopio, Finland.
Departmentof Applied Biotechnology, University of Kuopio, Kuopio; Biocenter Kuopio, University of Kuopio, Kuopio, Finland. (Chondrogenic and Osteogenic Differentiation Group)ORCID iD: 0000-0002-6181-9904
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2009 (English)In: Journal of materials science. Materials in medicine, ISSN 0957-4530, E-ISSN 1573-4838, Vol. 20, no 11, 2337-2347 p., 19507005Article in journal (Refereed) Published
Abstract [en]

The adhesion and contact guidance of human primary osteogenic sarcoma cells (Saos-2) were characterized on smooth, microstructured (MST) and micro- and nano-structured (MNST) polypropylene (PP) and on the same samples with a silicon-doped carbon nitride (C(3)N(4)-Si) coating. Injection molding was used to pattern the PP surfaces and the coating was obtained by using ultra-short pulsed laser deposition (USPLD). Surfaces were characterized using atomic force microscopy and surface energy components were calculated according to the Owens-Wendt model. The results showed C(3)N(4)-Si coated surfaces to be significantly more hydrophilic than uncoated ones. In addition, there were 86% more cells in the smooth C(3)N(4)-Si coated PP compared to smooth uncoated PP and 551%/476% more cells with MST/MNST C(3)N(4)-Si coated PP than could be obtained with MST/MNST uncoated PP. Thus the adhesion, spreading and contact guidance of osteoblast-like cells was effectively improved by combining surface texturing and deposition of osteocompatible C(3)N(4)-Si coating.

Place, publisher, year, edition, pages
Springer, 2009. Vol. 20, no 11, 2337-2347 p., 19507005
Keyword [en]
Surfaces and Interfaces, Thin Films, Characterization and Evaluation of Materials, Metallic Materials, Ceramics, Glass, Composites, Natural Methods, Polymer Sciences, Biomaterials
National Category
Medical Materials Biomaterials Science
Research subject
cellforskning; Materials Science
Identifiers
URN: urn:nbn:se:umu:diva-106533DOI: 10.1007/s10856-009-3792-3PubMedID: 19507005OAI: oai:DiVA.org:umu-106533DiVA: diva2:842019
Available from: 2015-07-16 Created: 2015-07-16 Last updated: 2017-12-04

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