Crystallographic study of hydrothermal synthesis of Hydroxyapatite nano-rods using Brushite precursors

Document Type: Original Article

Authors

1 Department of Materials Engineering, Tarbiat Modares University, Tehran, Iran

2 Non-metallic Materials Group, Niroo Research Institute, Tehran, Iran

10.22034/jtm.2019.199830.1022

Abstract

Introduction: Being known for an array of properties that favor hard tissue regeneration, ranging from osteoconductivity to biocompatibility to non-immunogenicity, and being the natural bone mineral phase hydroxyapatite (HA, Ca10(PO4)6(OH)2) is the natural bioceramic of choice for the reinforcement phase of biocomposites.
Objective: The main objective of this study is to successfully synthesize uniform one dimensional HA nano-structures using a gram-scale hydrothermal batch process.
Material and Methods: Brushite used as a precursor for HA synthesis. The powders obtained after washing and drying were evaluated. The analysis performed in the sample includes inductively coupled plasma (ICP), Raman Spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction, Field Emission Scanning Electron Microscope (FE-SEM), and high-resolution TEM.
Result: The results of this study showed that the initial brushite used in the hydrothermal process was dissolved, followed by the nucleation process and the growth of hydroxyapatite. The synthesized powders in this study were rod-shaped, with 35 nm in diameter and between 50 and 250 nm in length. The main direction of rod growth was , which is C axis.
Conclusion: The powders synthesized in this research have the potential to be used in bone tissue engineering, implantation, and drug delivery.

Graphical Abstract

Crystallographic study of hydrothermal synthesis of Hydroxyapatite nano-rods using Brushite precursors

Keywords


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