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High-resolution solid state NMR experiments for the characterization of calcium phosphate biomaterials and biominerals

By Frédérique Pourpoint, Cristina Coelho, Christel Gervais, Christian Bonhomme, Franck Fayon, Sara Laurencin Dalicieux, Isabelle Gennero, Jean-Pierre Salles, Andrew Howes, Ray Dupree, John Hanna, Mark Smith, Francesco Mauri, Gilles Guerrero, Hubert Mutin and Danielle Laurencin

Abstract

International audienceCalcium phosphates form a vast family of biominerals, which have attracted much attention in fields like biology, medicine, and materials science, to name a few. Solid state Nuclear Magnetic Resonance (NMR) is one of the few techniques capable of providing information about their structure at the atomic level. Here, examples of recent advances of solid state NMR techniques are given to demonstrate their suitability to characterize in detail synthetic and biological calcium phosphates. Examples of high-resolution 31P, 1H (and 17O), solid state NMR experiments of a 17O-enriched monocalcium phosphate monohydrate-monetite mixture and of a mouse tooth are presented. In both cases, the advantage of performing fast Magic Angle Spinning NMR experiments at high magnetic fields is emphasized, notably because it allows very small volumes of sample to be analyzed

Topics: calcium phosphate, solid state NMR, GIPAW, 17O NMR, [ CHIM.INOR ] Chemical Sciences/Inorganic chemistry
Publisher: Cambridge University Press (CUP)
Year: 2011
DOI identifier: 10.1557/jmr.2011.250
OAI identifier: oai:HAL:hal-00638531v1
Provided by: Hal-Diderot
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