Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic

GJE Poinern1, R Brundavanam1, X Thi Le1, S Djordjevic1, M Prokic2, D Fawcett1 1Murdoch Applied Nanotechnology Research Group, Department of Physics, Energy Studies and Nanotechnology, School of Engineering and Energy, Murdoch University, Murdoch, Western Australia, Australia; 2MP Inter Consulting, L...

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Autores principales:	Poinern GE, Brundavanam RK, Le XT, Djordjevic S, Prokic M, Fawcett D
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2011
Materias:	Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/d0af4cfd67ea412080c707da611eae4d
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spelling	oai:doaj.org-article:d0af4cfd67ea412080c707da611eae4d2021-12-02T02:36:41ZThermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic1176-91141178-2013https://doaj.org/article/d0af4cfd67ea412080c707da611eae4d2011-09-01T00:00:00Zhttp://www.dovepress.com/thermal-and-ultrasonic-influence-in-the-formation-of-nanometer-scale-h-a8347https://doaj.org/toc/1176-9114https://doaj.org/toc/1178-2013GJE Poinern1, R Brundavanam1, X Thi Le1, S Djordjevic1, M Prokic2, D Fawcett1 1Murdoch Applied Nanotechnology Research Group, Department of Physics, Energy Studies and Nanotechnology, School of Engineering and Energy, Murdoch University, Murdoch, Western Australia, Australia; 2MP Inter Consulting, Le Locle, Switzerland Abstract: Hydroxyapatite (HAP) is a widely used biocompatible ceramic in many biomedical applications and devices. Currently nanometer-scale forms of HAP are being intensely investigated due to their close similarity to the inorganic mineral component of the natural bone matrix. In this study nano-HAP was prepared via a wet precipitation method using Ca(NO3)2 and KH2PO4 as the main reactants and NH4OH as the precipitator under ultrasonic irradiation. The Ca/P ratio was set at 1.67 and the pH was maintained at 9 during the synthesis process. The influence of the thermal treatment was investigated by using two thermal treatment processes to produce ultrafine nano-HAP powders. In the first heat treatment, a conventional radiant tube furnace was used to produce nano-particles with an average size of approximately 30 nm in diameter, while the second thermal treatment used a microwave-based technique to produce particles with an average diameter of 36 nm. The crystalline structure and morphology of all nanoparticle powders produced were investigated using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FT-IR). Both thermal techniques effectively produced ultrafine powders with similar crystalline structure, morphology and particle sizes. Keywords: nano-hydroxyapatite, chemical synthesis, ultrasonic irradiation, microwave irradiationPoinern GEBrundavanam RKLe XTDjordjevic SProkic MFawcett DDove Medical PressarticleMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol 2011, Iss default, Pp 2083-2095 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine (General) R5-920
spellingShingle	Medicine (General) R5-920 Poinern GE Brundavanam RK Le XT Djordjevic S Prokic M Fawcett D Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic
description	GJE Poinern1, R Brundavanam1, X Thi Le1, S Djordjevic1, M Prokic2, D Fawcett1 1Murdoch Applied Nanotechnology Research Group, Department of Physics, Energy Studies and Nanotechnology, School of Engineering and Energy, Murdoch University, Murdoch, Western Australia, Australia; 2MP Inter Consulting, Le Locle, Switzerland Abstract: Hydroxyapatite (HAP) is a widely used biocompatible ceramic in many biomedical applications and devices. Currently nanometer-scale forms of HAP are being intensely investigated due to their close similarity to the inorganic mineral component of the natural bone matrix. In this study nano-HAP was prepared via a wet precipitation method using Ca(NO3)2 and KH2PO4 as the main reactants and NH4OH as the precipitator under ultrasonic irradiation. The Ca/P ratio was set at 1.67 and the pH was maintained at 9 during the synthesis process. The influence of the thermal treatment was investigated by using two thermal treatment processes to produce ultrafine nano-HAP powders. In the first heat treatment, a conventional radiant tube furnace was used to produce nano-particles with an average size of approximately 30 nm in diameter, while the second thermal treatment used a microwave-based technique to produce particles with an average diameter of 36 nm. The crystalline structure and morphology of all nanoparticle powders produced were investigated using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FT-IR). Both thermal techniques effectively produced ultrafine powders with similar crystalline structure, morphology and particle sizes. Keywords: nano-hydroxyapatite, chemical synthesis, ultrasonic irradiation, microwave irradiation
format	article
author	Poinern GE Brundavanam RK Le XT Djordjevic S Prokic M Fawcett D
author_facet	Poinern GE Brundavanam RK Le XT Djordjevic S Prokic M Fawcett D
author_sort	Poinern GE
title	Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic
title_short	Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic
title_full	Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic
title_fullStr	Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic
title_full_unstemmed	Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic
title_sort	thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic
publisher	Dove Medical Press
publishDate	2011
url	https://doaj.org/article/d0af4cfd67ea412080c707da611eae4d
work_keys_str_mv	AT poinernge thermalandultrasonicinfluenceintheformationofnanometerscalehydroxyapatitebioceramic AT brundavanamrk thermalandultrasonicinfluenceintheformationofnanometerscalehydroxyapatitebioceramic AT lext thermalandultrasonicinfluenceintheformationofnanometerscalehydroxyapatitebioceramic AT djordjevics thermalandultrasonicinfluenceintheformationofnanometerscalehydroxyapatitebioceramic AT prokicm thermalandultrasonicinfluenceintheformationofnanometerscalehydroxyapatitebioceramic AT fawcettd thermalandultrasonicinfluenceintheformationofnanometerscalehydroxyapatitebioceramic
_version_	1718402377276456960

Thermal and ultrasonic influence in the formation of nanometer scale hydroxyapatite bio-ceramic

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