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Identification of phases in partially crystallised Ti-, Sr- and Zn-containing sodium calcium phosphates by two-dimensional NMR

O'Dell, L. A. and Neel, Ensanya A. Abou and Knowles, Jonathan C. and Smith, Mark E. (2009) Identification of phases in partially crystallised Ti-, Sr- and Zn-containing sodium calcium phosphates by two-dimensional NMR. MATERIALS CHEMISTRY AND PHYSICS, 114 (2-3). pp. 1008-1015.

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Abstract

P-31 and Na-23 one-dimensional MAS NMR, as well as two-dimensional P-31 refocused INADEQUATE and Na-23 multiple quantum (MQ) MAS, experiments have been used in combination with powder XRD to identify various phases present in three metal-containing sodium calcium phosphate ceramics of interest as potential biomaterials. Each sample is shown to consist of multiple phases (at least seven in the case of the Zn-containing sample), several of which were identified by NMR, but not by XRD. Solid-state NMR is thus demonstrated to be an important characterisation tool in studying multi-phase phosphate ceramics, especially those containing a mixture of crystalline and amorphous components. (C) 2008 Elsevier B.V. All rights reserved.

Item Type: Article
Journal or Publication Title: MATERIALS CHEMISTRY AND PHYSICS
Uncontrolled Keywords: Nuclear magnetic resonance (NMR), Biomaterials, Phosphates, Phase mixtures, Partially crystalline
Subjects: UNSPECIFIED
Departments: VC's Office
ID Code: 52826
Deposited By: ep_importer_pure
Deposited On: 28 Feb 2012 11:53
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:09
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/52826

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