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In situ high-energy X-ray diffraction study of a bioactive calcium silicate foam immersed in simulated body fluid
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FitzGerald, V., Drake, K. O., Jones, J. R., Smith, Mark E., Honkimaeki, V., Buslaps, T., Kretzschmer, M. and Newport, R. J. (2007) In situ high-energy X-ray diffraction study of a bioactive calcium silicate foam immersed in simulated body fluid. Journal of Synchrotron Radiation, Vol.14 (Part 6). pp. 492-499. doi:10.1107/S0909049507042173 ISSN 0909-0495.
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Official URL: http://dx.doi.org/10.1107/S0909049507042173
Abstract
The method of in situ time-resolved high-energy X-ray diffraction, using the intrinsically highly collimated X-ray beam generated by the European Synchrotron Radiation Facility, is demonstrated. A specially designed cell, which allows the addition of liquid components, has been used to study the reaction mechanisms of a foamed bioactive calcia-silica sol-gel glass immersed in simulated body fluid. Analysis of the X-ray diffraction data from this experiment provides atomic distances, via the pair correlation functions, at different stages of the dissolution of the glass and of the associated calcium phosphate, and ultimately hydroxyapatite, i.e. bone mineral, formation. Hence, changes in the atomic scale structure can be analysed as a function of reaction time, giving an insight into the evolution of the structure of both the glass matrix and the hydroxyapatite surface growth.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Administration > University Executive Office Faculty of Science, Engineering and Medicine > Science > Physics |
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Journal or Publication Title: | Journal of Synchrotron Radiation | ||||
Publisher: | Wiley-Blackwell Publishing Ltd. | ||||
ISSN: | 0909-0495 | ||||
Official Date: | November 2007 | ||||
Dates: |
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Volume: | Vol.14 | ||||
Number: | Part 6 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 492-499 | ||||
DOI: | 10.1107/S0909049507042173 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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