SYNTHESIS AND STUDY OF APATITE-RELATED IRONAND CARBONATE-CONTAINING CALCIUM PHOSPHATES

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DOI:

https://doi.org/10.15407/dopovidi2024.02.044

Keywords:

apatite, iron(III), carbonate-anion, FTIR spectroscopy, in vitro bioactivity.

Abstract

Calcium phosphates have been synthesized from aqueous solutions at molar ratios: Ca2+ : Fe3+ : PO4 3− : CO3 2− = 10 — y : х : (6 − z) : z (х = 0.1, 0.25, 0.5 and 1; z = 0, 0.3 and 0.5) and temperature 25 ºС with further heating to 500 ºС for 2 hours. According to X-ray power diff raction data, phases associated with apatite (hexagonal system) were obtained; phosphate cell parameters correlate with the amount of iron and carbonate in their composition. It was established that the particle sizes do not depend on the ratio of components in the initial solution and are within the range of 20-27 nm. FTIR spectroscopy results confi rm the partial substitution of phosphate for carbonate (B-type) in the apatite-type structure. The study of bioactivity of synthesized iron- and carbonate-containing calcium phosphates in vitro has shown the possibility of regulating the pH of the medium by varying the content and nature of alloying elements, which in the future can meet various requirements related to pH regulation of the medium with the help of such synthetic materials.

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Published

23.04.2024

How to Cite

Strutynska, N., Komaschenko, Y., & Slobodyanik, M. S. (2024). SYNTHESIS AND STUDY OF APATITE-RELATED IRONAND CARBONATE-CONTAINING CALCIUM PHOSPHATES. Reports of the National Academy of Sciences of Ukraine, (2), 44–50. https://doi.org/10.15407/dopovidi2024.02.044

Issue

No. 2 (2024): Reports of the National Academy of Sciences of Ukraine

Section

Chemistry

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