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Preparation, Characterization and Application of Hydroxyapatite

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 827

Special Issue Editors


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Guest Editor
Laboratory of Composite Ceramic Materials, A. A. Baikov Institute of Metallurgy and Materials Science (IMET), Russian Academy of Sciences, 119334 Moscow, Russia
Interests: synthesis; nanoparticles; bioceramic; calcium phosphates; magnesium phosphates; additive manufacturing; zirconia; alumina
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Guest Editor
Laboratory of Synthesis and Physical and Chemical Analysis of Functional Materials, Institute of Solid State Chemistry and Mechanochemistry, Kutateladze str. 18, 630090 Novosibirsk, Russia
Interests: X-ray powder diffraction; crystal structure of minerals and inorganic solids; substitution; bioceramic; calcium phosphates; mechanochemistry; selective laser treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent decades, significant progress in the science of biomaterials has been made. Hydroxyapatite deserves special attention, as it is an analogue of biogenic apatite, the main inorganic component of bone tissue. Synthetic hydroxyapatite is widely applied in medicine as a filler for bone defects, a material for implants, a carrier for drug delivery and an anticancer/imaging agent, and a base of cements or various composites. Hydroxyapatite is also used as a bioactive component of toothpastes and cleaning products. In addition to being an indispensable material for medicine, hydroxyapatite has many other applications, as it is a catalyst or catalyst support for various organic reactions and an effective sorbent for protein, water, soil, and air purification. It is used in the form of gels, pastes, powders, and ceramics.

A wide range of useful properties of hydroxyapatite indicate the great potential of this material and stimulate further research activity. This list of properties can be extended by implementing substitution in the hydroxyapatite structure, as the insertion of foreign ions with useful properties transfers them to the material.

This Special Issue is dedicated to recent advances in the studies of hydroxyapatite and materials based on their production, characterization, and application in various fields.

For this Special Issue, we invite authors to contribute research articles or reviews on the above-mentioned topics.

Dr. Margarita A. Goldberg
Dr. Natalia V. Bulina
Guest Editors

Manuscript Submission Information

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Keywords

  • hydroxyapatite
  • substitution
  • doping
  • composites
  • coatings
  • synthesis
  • structure characterization
  • thermal stability
  • property
  • application

Published Papers (1 paper)

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Research

17 pages, 4737 KiB  
Article
Influence of Magnesium Source on the Mechanochemical Synthesis of Magnesium-Substituted Hydroxyapatite
by Natalia V. Bulina, Natalya V. Eremina, Svetlana V. Makarova, Irina A. Borodulina, Olga B. Vinokurova, Leon A. Avakyan, Ekaterina V. Paramonova, Vladimir S. Bystrov and Olga A. Logutenko
Materials 2024, 17(2), 416; https://doi.org/10.3390/ma17020416 - 14 Jan 2024
Viewed by 638
Abstract
Magnesium, as one of the most abundant cations in the human body, plays an important role in both physiological and pathological processes. In this study, it was shown that a promising biomedical material, Mg-substituted hydroxyapatite (Mg-HA), can be synthesized via a fast mechanochemical [...] Read more.
Magnesium, as one of the most abundant cations in the human body, plays an important role in both physiological and pathological processes. In this study, it was shown that a promising biomedical material, Mg-substituted hydroxyapatite (Mg-HA), can be synthesized via a fast mechanochemical method. For this method, the nature of magnesium-containing carriers was shown to be important. When using magnesium oxide as a source of magnesium, the partial insertion of magnesium cations into the apatite structure occurs. In contrast, when magnesium hydroxide or monomagnesium phosphate is used, single-phase Mg-HA is formed. Both experimental and theoretical investigations showed that an increase in the Mg content leads to a decrease in the lattice parameters and unit cell volume of Mg-HA. Density functional theory calculations showed the high sensitivity of the lattice parameters to the crystallographic position of the calcium site substituted by magnesium. It was shown experimentally that the insertion of magnesium cations decreases the thermal stability of hydroxyapatite. The thermal decomposition of Mg-HA leads to the formation of a mixture of stoichiometric HA, magnesium oxide, and Mg-substituted tricalcium phosphate phases. Full article
(This article belongs to the Special Issue Preparation, Characterization and Application of Hydroxyapatite)
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