Heat-induced Bone Diagenesis Probed by Vibrational Spectroscopy.

ABSTRACT: Complementary vibrational spectroscopic techniques - infrared, Raman and inelastic neutron scattering (INS) - were applied to the study of human bone burned under controlled conditions (400 to 1000 °C). This is an innovative way of tackling bone diagenesis upon burning, aiming at a quantitative evaluation of heat-induced dimensional changes allowing a reliable estimation of pre-burning skeletal dimensions. INS results allowed the concomitant observation of the hydroxyl libration (OH_libration), hydroxyl stretching (ν(OH)) and (OH_libration + ν(OH)) combination modes, leading to an unambiguous assignment of these INS features to bioapatite and confirming hydroxylation of bone's inorganic matrix. The OH_lib, ν(OH) and ν₄(PO₄^3-) b

SUBMITTER: Marques MPM 

PROVIDER: S-EPMC6206023 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature