Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method

Nanocrystalline hydroxyapatite powders are successfully synthesized by sol-gel method with calcination temperature at 600 °C for 2 h. The molar ratio of Ca: P is kept at 1.67 as hydroxyapatite (HAp). Different weight percents of the magnesium-doped hydroxyapatite (xMg/HAp, x = 0, 1, 3, 5, 7 and 9 wt...

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Main Authors: Jutharatana Klinkaewnarong, Sirilak Kamonwannasit, Piaw Phatai
Format: บทความวารสาร
Language:English
Published: Science Faculty of Chiang Mai University 2019
Online Access:http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8298
http://cmuir.cmu.ac.th/jspui/handle/6653943832/63933
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-639332019-05-07T09:59:39Z Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method Jutharatana Klinkaewnarong Sirilak Kamonwannasit Piaw Phatai Nanocrystalline hydroxyapatite powders are successfully synthesized by sol-gel method with calcination temperature at 600 °C for 2 h. The molar ratio of Ca: P is kept at 1.67 as hydroxyapatite (HAp). Different weight percents of the magnesium-doped hydroxyapatite (xMg/HAp, x = 0, 1, 3, 5, 7 and 9 wt.%) were prepared via incipient wetness impregnation method. The physicochemical properties of the xMg/HAp were investigated by X-ray diffraction (XRD), Energy dispersive X-ray spectroscope (EDX), Transmission electron microscope (TEM), Fourier transform infrared spectroscope (FT-IR) and UV-vis diffuse reflectance spectroscope (UV-vis DRS). The XRD measurement showed that the magnesium ion was homogeneously incorporated into the hexagonal structure of HAp and the lattice parameters, a and c, are in the ranges of 0.9356-0.9396 and 0.6846-0.6869 nm, respectively. Beta-tricalcium phosphate (b-TCP, Ca3(PO4)2) was detected at all compositions and calcium oxide (CaO) was detected with the doped Mg2+ greater than 1 wt.%. The EDX analyses showed that the Ca/P molar ratio gradually decreased with increasing amount of Mg, whereas the (Ca+Mg)/P molar ratio increased. The FT-IR and UV-vis DRS techniques confirmed the formation of HAp. Doping of Mg2+ up to 5 wt.% resulted in the formation of 68-123 nm particles of spherical shapes, while the spherical and rod-like shapes were obtained at 7 and 9 wt.% Mg2+, with their width of 46 and 75 nm, respectively. 2019-05-07T09:59:39Z 2019-05-07T09:59:39Z 2017 บทความวารสาร 0125-2526 http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8298 http://cmuir.cmu.ac.th/jspui/handle/6653943832/63933 Eng Science Faculty of Chiang Mai University
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
language English
description Nanocrystalline hydroxyapatite powders are successfully synthesized by sol-gel method with calcination temperature at 600 °C for 2 h. The molar ratio of Ca: P is kept at 1.67 as hydroxyapatite (HAp). Different weight percents of the magnesium-doped hydroxyapatite (xMg/HAp, x = 0, 1, 3, 5, 7 and 9 wt.%) were prepared via incipient wetness impregnation method. The physicochemical properties of the xMg/HAp were investigated by X-ray diffraction (XRD), Energy dispersive X-ray spectroscope (EDX), Transmission electron microscope (TEM), Fourier transform infrared spectroscope (FT-IR) and UV-vis diffuse reflectance spectroscope (UV-vis DRS). The XRD measurement showed that the magnesium ion was homogeneously incorporated into the hexagonal structure of HAp and the lattice parameters, a and c, are in the ranges of 0.9356-0.9396 and 0.6846-0.6869 nm, respectively. Beta-tricalcium phosphate (b-TCP, Ca3(PO4)2) was detected at all compositions and calcium oxide (CaO) was detected with the doped Mg2+ greater than 1 wt.%. The EDX analyses showed that the Ca/P molar ratio gradually decreased with increasing amount of Mg, whereas the (Ca+Mg)/P molar ratio increased. The FT-IR and UV-vis DRS techniques confirmed the formation of HAp. Doping of Mg2+ up to 5 wt.% resulted in the formation of 68-123 nm particles of spherical shapes, while the spherical and rod-like shapes were obtained at 7 and 9 wt.% Mg2+, with their width of 46 and 75 nm, respectively.
format บทความวารสาร
author Jutharatana Klinkaewnarong
Sirilak Kamonwannasit
Piaw Phatai
spellingShingle Jutharatana Klinkaewnarong
Sirilak Kamonwannasit
Piaw Phatai
Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method
author_facet Jutharatana Klinkaewnarong
Sirilak Kamonwannasit
Piaw Phatai
author_sort Jutharatana Klinkaewnarong
title Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method
title_short Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method
title_full Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method
title_fullStr Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method
title_full_unstemmed Physicochemical Properties of Magnesium-doped Hydroxyapatite Nanoparticles Prepared by Incipient Wetness Impregnation Method
title_sort physicochemical properties of magnesium-doped hydroxyapatite nanoparticles prepared by incipient wetness impregnation method
publisher Science Faculty of Chiang Mai University
publishDate 2019
url http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8298
http://cmuir.cmu.ac.th/jspui/handle/6653943832/63933
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