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https://hdl.handle.net/2440/114199
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Type: | Journal article |
Title: | Accelerated sonochemical synthesis of calcium deficient hydroxyapatite nanoparticles: structural and morphological evolution |
Author: | Varadarajan, N. Balu, R. Sampath Kumar, T. Rana, D. Ramalingam, M. Ramalingam, M. Ramalingam, M. |
Citation: | Journal of biomaterials and tissue engineering, 2014; 4(4):295-299 |
Publisher: | American Scientific Publishers |
Issue Date: | 2014 |
ISSN: | 2157-9083 2157-9091 |
Statement of Responsibility: | Varadarajan Namitha, Balu Rajkamal, Rana Deepti, Ramalingam Murugan, Kumar T. S. Sampath |
Abstract: | Calcium deficient hydroxyapatite (CDHA) nanoparticles with a Ca/P ratio of 1.6 were synthesized by accelerated sonochemical process. The synthesis was carried out using calcium nitrate and diammonium hydrogen phosphate in an ultrasonic bath operated at a fixed frequency of 135 kHz and 250 Watts power. The effect of ultrasonic radiation as a function of time over the formation and structure of nanoparticles were investigated using X-ray diffraction, spectroscopy and microscopy methods. The synthesized nanocrystals showed X-ray powder diffraction pattern corresponding to that of hydroxyapatite stoichiometry with CDHA characteristics. HPO2– 4 Fourier transform infrared vibration band observed at 875 cm–1. Transmission electron microscopic analysis confirmed the nanocrystalline nature and growth of acicular, rod and needle-like CDHA nanocrystals morphology with increasing irradiation time. |
Keywords: | Calcium deficient hydroxyapatite; morphology; nanoparticles; sonochemical; structure |
Rights: | © AMERICAN SCIENTIFIC PUBLISHERS |
DOI: | 10.1166/jbt.2014.1173 |
Published version: | http://dx.doi.org/10.1166/jbt.2014.1173 |
Appears in Collections: | Aurora harvest 8 Biochemistry publications |
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