Journal
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO
Volume 61, Issue 1, Pages 35-41Publisher
ELSEVIER
DOI: 10.1016/j.bsecv.2020.06.003
Keywords
Hydroxyapatite; Eggshell; Hydrothermal; Microwave
Categories
Funding
- Brazilian research financing institution: CAPES
- Brazilian research financing institution: FAPEMA
- Brazilian research financing institution: Federal Institute of Maranhao (IFMA)
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This study investigated the synthesis of hydroxyapatite and compared the Hydrothermal (HT) and Microwave Irradiation (MW) methods. It was found that the Hydrothermal method was more suitable for producing hydroxyapatite as a biomaterial.
a b s t r a c t Hydroxyapatite is the main bones and teeth inorganic mineral component. This material has been an object of research aiming its use in biomaterials as bone replacement option for biomedical applications. In this investigation, the synthesis of hydroxyapatite was studied by the Hydrothermal (HT) and Microwave Irradiation (MW) methods. Here, parameters such as pH (9 and 11) and synthesis time were varied, and residue of chicken eggshell was used as calcium precursor. The obtained powders were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Dispersive Energy X-ray Spectroscopy (EDS), and Transmission Electron Microscopy (TEM). The results showed that the material synthe-sized when the pH reached the value of 9 which generated less carbonated powders than those with pH of 11. The Hydrothermal method presented more satisfactory morphological results according to the TEM analysis. This procedure was considered more suitable as a route to obtain hydroxyapatite as biomaterial. (c) 2020 SECV. Published by Elsevier Espana, S.L.U. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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