Abstract
Agriculture is encouraged throughout the world for sufficient production of food and agro allied raw materials. However, a lot of solid wastes are generated which required added value so that their handling will not become impediments to agricultural production itself. One of such waste is egg shell, which can be transformed into hydroxyapatite with immense use in biological, environmental, tissue engineering and biological applications. In this study hydroxyapatite (HAp) was successfully synthesized from recycled uncalcined eggshells waste via wet chemical precipitation method. The microstructure of the developed HAp was characterized by X-ray diffraction, energy dispersed spectroscopy, transmission electron microscope and Fourier infrared spectroscopy. The presence of trace elements such as K, Mg and Fe were detected by EDAX measurement. The as prepared and calcinated products consist of B-type carbonated HAp nano-rods with Ca/P molar ratio was estimated to be 1.95 and can be a potential candidate for biomedical applications. Thus, agricultural waste of eggshells is veritable source materials for the production of important biomaterial such as hydroxyapatite.
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Acknowledgements
The financial support in the form of grants from CSIR, for 12 months TWAS-CSIR Postdoctoral Fellowship, FR number: 3240275035, awarded to Abideen Idowu Adeogun that enables part of this work to be carried out is highly acknowledge. Also he is thankful to the authority of the Federal University of Agriculture, Abeokuta, Nigeria for granting the study leave to honour the fellowship. Also the financial support from the Department of Science and Technology; Government of India for the Fellowship awarded to Mr. Ofudje E. A. is also acknowledge. We also want to thank all the technical staff of the Central Instrumentation Facility (CIF), CSIR-Central Electrochemical Research Institute, Karaikudi, India for the supports during the characterization stage. Finally, we express our sincere gratitude to the management of McPherson University, Seriki-Sotayo, Ajebo, Ogun State for granting the study leave.
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Adeogun, A.I., Ofudje, A.E., Idowu, M.A. et al. Facile Development of Nano Size Calcium Hydroxyapatite Based Ceramic from Eggshells: Synthesis and Characterization. Waste Biomass Valor 9, 1469–1473 (2018). https://doi.org/10.1007/s12649-017-9891-3
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DOI: https://doi.org/10.1007/s12649-017-9891-3