Structural, morphological, and sorption characteristics of imperfect nanocrystalline calcium hydroxyapatite for the creation of dental biomimetic composites

0510540 - FZÚ 2020 RIV RU eng J - Journal Article
Goloshchapov, D.L. - Lenshin, A.S. - Nikitkov, K.A. - Bartenev, V.N. - Savchenko, Dariia - Tutov, E.A. - Seredin, P.V.
Structural, morphological, and sorption characteristics of imperfect nanocrystalline calcium hydroxyapatite for the creation of dental biomimetic composites.
Journal of Surface Investigation-X-Ray Synchrotron and Neutron Techniques. Roč. 13, č. 4 (2019), s. 756-765. ISSN 1027-4510
Institutional support: RVO:68378271
Keywords : nanocrystalline carbonate-substituted calcium hydroxyapatite * biomimetic materials * native hard tissues of a human tooth * structure * morphology * sorption characteristics
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Method of publishing: Limited access
https://doi.org/10.1134/s1027451019040244

Using a set of structural-spectroscopic analysis methods, the relationships between the structure, morphology, and sorption characteristics of samples of nanocrystalline carbonate-substituted calcium hydroxyapatite synthesized with the use of a biogenic source of calcium (avian eggshell) by chemical precipitation from a solution are studied. Using X-ray diffractometry and X-ray microanalysis, impurities are found to enter the structure of the synthesized material from the avian eggshell, which leads to a change in the unitcell parameters of the hydroxyapatite crystal without the formation of additional phosphate phases. Using optical spectroscopy and electron paramagnetic resonance, it is established that, as a result of the inheritance of a set of carbonate-ion impurities, a structure of B-type hydroxyapatite is formed.
Permanent Link: http://hdl.handle.net/11104/0300991