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Solid State NMR Characterization of Nano-crystalline hydroxy-carbonate Apatite Using 1H-31P-13C Triple Resonance Experiments

Published online by Cambridge University Press:  26 February 2011

Florence Babonneau ,
Florence Babonneau ,
Christian Bonhomme ,
Satoshi Hayakawa  and
Akiyoshi Osaka
Florence Babonneau
Affiliation:
fb@ccr.jussieu.fr University P. et M. Curie Chemistry 4 place Jussieu Paris 75252 France
Florence Babonneau
Affiliation:
bonhomme@ccr.jussieu.fr Universite P. et M. Curie Paris 75252 France
Christian Bonhomme
Affiliation:
bonhomme@ccr.jussieu.fr Universite P. et M. Curie Paris 75252 France
Satoshi Hayakawa
Affiliation:
satoshi@cc.okayama-u.ac.jp Faculty of Engineering Okayama 700 8530 Japan
Akiyoshi Osaka
Affiliation:
osaka@cc.okayama-u.ac.jp Faculty of Engineering Okayama 700 8530 Japan
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Abstract

The local structure around hydrogen atoms, phosphate ions and carbonate ions in nano crystalline nonstoichiometric hydroxy-carbonate apatite was investigated in this study. The use of 13C enriched precursors allowed to perform 1D and 2D CP MAS HETCOR (HETeronuclear CORrelation) experiments with 13C as a target spin. 2D triple resonance experiments involving the 1H/13C/31P spins were also performed. All these experiments led to the partial editing of the corresponding projection spectra and revealed fine structural details for the corresponding material. At least four 13C peaks, corresponding to carbonate ions in A sites (OH-) and B-sites (PO4 3-) were evidenced.

Keywords

nuclear magnetic resonance (NMR)crystallinebiomaterial
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 984: Symposium MM – Magnetic Resonance in Material Science , 2006 , 0984-MM06-05
Copyright
Copyright © Materials Research Society 2007

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