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Ultra-small angle neutron scattering and X-ray tomography studies of caseinate-hydroxyapatite microporous materials

Microporous hydroxyapatite-protein composite materials of bimodal pore size distribution, intended for utilization as bone regeneration scaffolds, have been prepared by means of milk caseinate emulsion droplet templating. Ultra-small angle neutron scattering (USANS) has been utilized in order to obt...

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Bibliographic Details
Main Authors: Ritzoulis, Christos (Author) , Strobl, Markus (Author) , Panayiotou, C. (Author) , Choinka, G. (Author) , Tsioptsias, C. (Author) , Vasiliadou, C. (Author) , Vasilakos, V. (Author) , Beckmann, F. (Author) , Herzen, J. (Author) , Donath, T. (Author)
Format: Article (Journal)
Language:English
Published: 24 April 2010
In: Materials chemistry and physics
Year: 2010, Volume: 123, Issue: 1, Pages: 77-82
ISSN:1879-3312
DOI:10.1016/j.matchemphys.2010.03.064
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.matchemphys.2010.03.064
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0254058410002701
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Author Notes:C. Ritzoulis, M. Strobl, C. Panayiotou, G. Choinka, C. Tsioptsias, C. Vasiliadou, V. Vasilakos, F. Beckmann, J. Herzen, T. Donath
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Summary:Microporous hydroxyapatite-protein composite materials of bimodal pore size distribution, intended for utilization as bone regeneration scaffolds, have been prepared by means of milk caseinate emulsion droplet templating. Ultra-small angle neutron scattering (USANS) has been utilized in order to obtain information on the size distribution of the smaller pores (less than tens of micrometers), as compared to the emulsions that have been initially used as templates. The samples were subsequently visualized in 3 dimensions using synchrotron radiation X-ray tomography, where information concerning the larger pores has been obtained. The examination of the samples confirmed a strong correlation between the size of the templating droplets and the produced pores. In addition, 1μm-sized pores appear to adhere to the surface of 20-70μm pores, providing an irregular surface on the large pore walls, a desirable feature in bone-mimicking materials.
Item Description:Gesehen am 25.05.2023
Physical Description:Online Resource
ISSN:1879-3312
DOI:10.1016/j.matchemphys.2010.03.064

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