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  • Title: The effect of ultrasonic irradiation on the crystallinity of nano-hydroxyapatite produced via the wet chemical method.
    Author: Barbosa MC, Messmer NR, Brazil TR, Marciano FR, Lobo AO.
    Journal: Mater Sci Eng C Mater Biol Appl; 2013 Jul 01; 33(5):2620-5. PubMed ID: 23623076.
    Abstract:
    Nanohydroxyapatite (nHAp) powders were produced via aqueous precipitation by adopting four different experimental conditions, assisted or non-assisted by ultrasound irradiation (UI). The nHAp powders were characterized by X-ray diffraction, energy-dispersive X-ray fluorescence, Raman and attenuated total reflection Fourier transform infrared spectroscopies, which showed typical surface chemical compositions of nHAp. Analysis found strong connections between UI and the crystallization process, crystal growth properties, as well as correlations between calcination and substitution reactions.
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