Neutron diffraction comparison of bone derived and synthetic hydroxyapatite

Lewis, K; Kealley, C; Elcombe, M; van Riessen, A; Ben-Nissan, B

Neutron diffraction comparison of bone derived and synthetic hydroxyapatite

Lewis, K Kealley, C Elcombe, M van Riessen, A Ben-Nissan, B

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Publication Type:: Journal Article
Citation:: Journal of the Australasian Ceramic Society, 2005, 41 (2), pp. 52 - 55
Issue Date:: 2005-12-01

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Field	Value	Language
dc.contributor.author	Lewis, K	en_US
dc.contributor.author	Kealley, C	en_US
dc.contributor.author	Elcombe, M	en_US
dc.contributor.author	van Riessen, A	en_US
dc.contributor.author	Ben-Nissan, B	en_US
dc.date.issued	2005-12-01	en_US
dc.identifier.citation	Journal of the Australasian Ceramic Society, 2005, 41 (2), pp. 52 - 55	en_US
dc.identifier.issn	1018-6689	en_US
dc.identifier.uri	http://hdl.handle.net/10453/3304
dc.description.abstract	This paper reports neutron diffraction data and its analysis of bone derived hydroxyapatite and synthetic hydroxyapatite (HAp). FTIR spectroscopy showed a number of changes in the bone derived hydroxyapatite as a function of temperature, and that firing at 600°C provides an increased crystallinity without decomposition of the HAp. The neutron diffraction data has elucidated the crystal structure of both materials, and enabled the positions of the hydrogen atoms to be accurately determined, and the lattice parameters to be compared. The only noticeable difference was a slight reduction in the lattice parameter a, and an increase in c in the bone derived HAp material. This can be attributed to the residual carbonate phase. The data also shows the improvement of crystallinity of the bovine bone during the heat treatment process.	en_US
dc.relation.ispartof	Journal of the Australasian Ceramic Society	en_US
dc.subject.classification	Materials	en_US
dc.title	Neutron diffraction comparison of bone derived and synthetic hydroxyapatite	en_US
dc.type	Journal Article
utslib.citation.volume	2	en_US
utslib.citation.volume	41	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	0303 Macromolecular and Materials Chemistry	en_US
dc.location.activity	Singapore
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Strength - CHT - Health Technologies
utslib.copyright.status	closed_access
pubs.issue	2	en_US
pubs.publication-status	Published	en_US
pubs.volume	41	en_US

Abstract:

This paper reports neutron diffraction data and its analysis of bone derived hydroxyapatite and synthetic hydroxyapatite (HAp). FTIR spectroscopy showed a number of changes in the bone derived hydroxyapatite as a function of temperature, and that firing at 600°C provides an increased crystallinity without decomposition of the HAp. The neutron diffraction data has elucidated the crystal structure of both materials, and enabled the positions of the hydrogen atoms to be accurately determined, and the lattice parameters to be compared. The only noticeable difference was a slight reduction in the lattice parameter a, and an increase in c in the bone derived HAp material. This can be attributed to the residual carbonate phase. The data also shows the improvement of crystallinity of the bovine bone during the heat treatment process.

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http://hdl.handle.net/10453/3304