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Natural abundance Ca-43 NMR study of calcium-containing organic solids : a model study for Ca-binding biomaterials
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Wong, Alan, Howes, Andrew P., Dupree, Ray and Smith, Mark E. (2006) Natural abundance Ca-43 NMR study of calcium-containing organic solids : a model study for Ca-binding biomaterials. Chemical Physics Letters, Vol.427 (No.1-3). pp. 201-205. doi:10.1016/j.cplett.2006.06.039 ISSN 0009-2614.
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Official URL: http://dx.doi.org/10.1016/j.cplett.2006.06.039
Abstract
As a first step for probing Ca sites in biomolecules using solid-state Ca-43 NMR spectroscopy, natural abundance Ca-43 NMR data of calcium-containing organic solids is reported. The Ca-43 NMR interaction parameters indicate small electric field gradients and a relatively small chemical shift range for the calcium sites in these bio-related model compounds. A correlation of the Ca-43 isotropic chemical shift with Ca-O distance is found: the Ca-43 shift increases as the mean Ca-O distance decreases, with a strong deshielding being observed for calcium with strong Ca-O bonds (distance < 2.4,angstrom) in both organic and inorganic materials.
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: | Chemical Physics Letters | ||||
Publisher: | Elsevier BV | ||||
ISSN: | 0009-2614 | ||||
Official Date: | 18 August 2006 | ||||
Dates: |
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Volume: | Vol.427 | ||||
Number: | No.1-3 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 201-205 | ||||
DOI: | 10.1016/j.cplett.2006.06.039 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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