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Natural abundance Ca-43 solid-state NMR characterisation of hydroxyapatite: identification of the two calcium sites
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Laurencin, Danielle, Wong, Alan, Dupree, Ray and Smith, Mark E. (2008) Natural abundance Ca-43 solid-state NMR characterisation of hydroxyapatite: identification of the two calcium sites. Magnetic Resonance in Chemistry, Vol.46 (No.4). pp. 347-350. doi:10.1002/mrc.2117 ISSN 0749-1581.
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Official URL: http://dx.doi.org/10.1002/mrc.2117
Abstract
Natural abundance 43 Ca solid-state NMR of hydroxyapatite (Ca-10(PO4)(6)(OH)(2)) was performed at three different fields (8.45,14.1 and 18.8 T). The two crystallographically distinct calcium sites of the apatite structure were spectroscopically resolved at 18.8 T. The 43 Ca NMR interaction parameters (delta(iso), C-Q and eta Q) of each site were determined by multiple magnetic-field simulations. The peaks with delta(iso) = 11.2 +/- 0.8 and -1.8 +/- 0.8 ppm, both with C-Q = 2.6 +/- 0.4 MHz, were assigned to the Ca(II) and Ca(I) sites, respectively, on the basis of their relative intensities. Copyright (C) 2008 John Wiley & Sons, Ltd.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
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Divisions: | Administration > University Executive Office Faculty of Science, Engineering and Medicine > Science > Physics |
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Journal or Publication Title: | Magnetic Resonance in Chemistry | ||||
Publisher: | John Wiley & Sons Ltd. | ||||
ISSN: | 0749-1581 | ||||
Official Date: | April 2008 | ||||
Dates: |
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Volume: | Vol.46 | ||||
Number: | No.4 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 347-350 | ||||
DOI: | 10.1002/mrc.2117 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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