Preparation and Properties of Copper-Substituted Hydroxyapatite Powders and Ceramics
- Authors: Nikitina Y.O.1, Petrakova N.V.1, Ashmarin A.A.1, Titov D.D.1, Shevtsov S.V.1, Penkina T.N.1, Kuvshinova E.A.2, Barinov S.M.1, Komlev V.S.1, Sergeeva N.S.2
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Affiliations:
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
- Gertsen Research Institute of Oncology, National Medical Research Radiological Center, Russian Federation Ministry of Health
- Issue: Vol 55, No 10 (2019)
- Pages: 1061-1067
- Section: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/158785
- DOI: https://doi.org/10.1134/S002016851910011X
- ID: 158785
Cite item
Abstract
Abstract—Hydroxyapatite powders containing up to 2.4 mol % Cu (Cu-HA) have been synthesized via precipitation from solution. The synthesized materials have been characterized by X-ray diffraction after heat treatment in the temperature range from 900 to 1400°C and their lattice parameters and crystallite size have been determined. We have studied the bending strength and microstructure of Cu-HA-based ceramics. The results demonstrate that the addition of more than 0.8 mol % copper reduces the thermal stability of HA, leading to its partial decomposition to monoclinic tricalcium phosphate (α-TCP) and its transformation into the hexagonal phase (β-TCP), with possible concentration of the copper in it. Increasing the percentage of copper leads to a decrease in HA sintering rate in combination with an increase in crystallite size and porosity. According to in vitro biological investigations, the ceramic materials are cytocompatible and their surface has marked matrix properties.
About the authors
Yu. O. Nikitina
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
N. V. Petrakova
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Author for correspondence.
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
A. A. Ashmarin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
D. D. Titov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
S. V. Shevtsov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
T. N. Penkina
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
E. A. Kuvshinova
Gertsen Research Institute of Oncology, National Medical Research Radiological Center, Russian Federation Ministry of Health
Email: petrakova.nv@mail.ru
Russian Federation, Vtoroi Botkinskii proezd 3, Moscow, 125284
S. M. Barinov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
V. S. Komlev
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: petrakova.nv@mail.ru
Russian Federation, Leninskii pr. 49, Moscow, 119334
N. S. Sergeeva
Gertsen Research Institute of Oncology, National Medical Research Radiological Center, Russian Federation Ministry of Health
Email: petrakova.nv@mail.ru
Russian Federation, Vtoroi Botkinskii proezd 3, Moscow, 125284
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