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    The management of large amounts of bio-wastes, such as bovine femurs from kitchens and slaughterhouses, has long been a challenging issue. However, through the utilization of a hydrothermal process, it is possible to transform these bio-wastes into valuable products. In this study, we focused on extracting hydroxyapatite (HAp), the primary inorganic component of bovine femurs, for potential use in bone tissue engineering scaffolds. By subjecting the femurs to hydrothermal treatment at varying times and solvents, we successfully decomposed and removed the organic matter present, resulting in the extraction of HAp. To comprehensively evaluate the properties of the extracted HAp, we employed several characterization techniques that provided valuable insights into the structure, morphology, and elemental composition of the extracted HAp. Furthermore, we conducted a Cell Counting Kit-8 assay, which confirmed the favorable biocompatibility of the extracted HAp. Overall, this study highlights the potential of hydrothermal treatment as an environmentally friendly and cost-effective method for handling bio-waste, specifically bovine femurs. The extracted HAp exhibits promising characteristics, making it suitable for a wide range of biomedical applications. This research contributes to the sustainable utilization of bio-waste and underscores the importance of resourceful exploitation for environmental protection.

    Citation

    Yi Zhang, Fei Kong, Dongze Wu, Jinjin Zhu, Shuhui Yang, Xiangdong Kong. Hydrothermal Extraction and Characterization of Natural Hydroxyapatite from Waste Bovine Femur Bone. Tissue engineering. Part C, Methods. 2023 Nov;29(11):535-544

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    PMID: 37578128

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