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Preparation of hydroxyapatite nanoparticles: Comparison between hydrothermal and Solvo-Treatment processes and colloidal stability of produced nanoparticles in a dilute experimental dental adhesive

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Abstract

The main purpose of this study is to investigate the colloidal stability of hydroxyapatite (HAp) nanoparticles prepared by different methods. Nano-sized hydroxyapatite particles are synthesized by two different methods including hydrothermal and solvo-treatment processes. In hydrothermal process nanoparticles are synthesized at high temperature, while in solvo-treatment method nanoparticles are synthesized at room temperature by the use of surfactants and organic solvent. The samples are characterized by powder X-ray diffraction (XRD), fourier-transformed infrared spectroscopy (FT-IR), scanning electron microscopy coupled with energy dispersive X-ray analysis detector (SEM + EDXA), and phase separation analyzer. The produced nanoparticles are different in size, stoichiometric ratio, morphology, crystallinity and colloidal stability in a dilute dental adhesive. The results show that the nanoparticles synthesized by these two methods are quite dissimilar and particles prepared by hydrothermal method have a smaller size and higher colloidal stability.

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Authors and Affiliations

  1. Iran Polymer and Petrochemical Institute, P.O. Box 14965/115, Tehran, Iran

    M. Sadat-Shojai

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  1. M. Sadat-Shojai
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Correspondence to M. Sadat-Shojai.

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Sadat-Shojai, M. Preparation of hydroxyapatite nanoparticles: Comparison between hydrothermal and Solvo-Treatment processes and colloidal stability of produced nanoparticles in a dilute experimental dental adhesive. JICS 6, 386–392 (2009). https://doi.org/10.1007/BF03245848

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  • DOI: https://doi.org/10.1007/BF03245848

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