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Rapid synthesis, characterization, and studies of hydroxyapatite nanoparticles.

Hydroxyapatite (HAp) is a calcium phosphate that is similar to the human rigid tissues and is a form of calcium apatite. It constitutes, the main component of bone and enamel and can be synthesized artificially via various methods and the method proposed in this paper is based on wet chemical precipitation. An attempt has been made to synthesize nano-structured hydroxyapatite using improved surface morphology when compared to other methods. Porosity is another very important property that can be enhanced using various materials. Calcium hydroxide (Ca(OH)?) and ortho phosphoric acid (H?PO?) were used in the present study. Experiments were conducted under controlled environment maintaining required pH, concentration of solutions and temperature as well. The variation in any of these parameters gives a change in the resultant obtained. The present report emphases on the synthesis and characterizing the nano-structured Hap powder. Fourier-transformed infrared spectroscopy (FTIR), X-ray diffraction (XRD), and Scanning electron microscopy (SEM) for the surface, size and dimensions analysis of the Hap were carried out. From the work carried out it was found that the HAp was in the range of 35 nm to 90 nm and is a desirable output.

Author(s): Sharanabasava V Ganachari