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Solid-State 31P NMR Spectroscopy of Bone and Bone Substitutes

✍ Scribed by Xavier Marchandise; Patrick Belgrand; André-Pierre Legrand

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
464 KB
Volume
28
Category
Article
ISSN
0740-3194

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✦ Synopsis

Abstract

Using magic angle sample spinning ^31^P NMR spectroscopy, we studied NMR parameters of hydroxyapatite, calcium‐deficient hydroxyapatite, and β‐tricalcium phosphate. These data were compared to rabbit bone parameters. Rabbit bone spectrum is similar to deficient hydroxyapatite spectrum but high‐power proton decoupling did not modify its linewidth. Moreover, both bone T1 and deficient hydroxyapatite T1 were much longer than pure hydroxyapatite T1 and β‐tricalcium phosphate T1. We used these results to develop quantitative analysis of newly deposited bone inside β‐tricalcium phosphate implants in rabbit. This method made it possible to demonstrate the effect of porosity on osteoinduction of biomaterials.© 1992 Academic Press,Inc.

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