Abstract
Polyurethane (PUR) is a well-established biocompatible material intended to augment the body regenerations. To enhance the compatibility, PUR was combined with bovine hydroxyapatite (BHA) extracted from waste bones. The HA consider as a chief bone mineral to maintain the rigidity of the structure. The PUR was synthesized by prepolymer process and mixed with BHA (5% and 10%) by solvent casting technique. The synthesis of PUR and composites was confirmed by characteristic bands from FTIR spectra. The crystallite size of BHA was 465A° with a hexagonal structure confirmed by XRD. Moreover, XRD supported the incorporation of BHA into PUR matrix. The thermal stability of composites was significantly enhanced by the addition of BHA into PUR. A rough morphology of composites was revealed by SEM which may support for end application. The biodegradability of composites was superior in simulated body fluid. In-vitro MTT antitumor bioassay established the cytocompatible nature of synthesized materials. The composites demonstrated enriched cell viability with an increase in the content of BHA. Hence, these results suggested a green and economic approach for synthesis of biodegradable and cytocompatible materials for tissue regeneration.
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Parveen, S., Sultan, M., Sajid, M.I. et al. Synthesis and characterization of biodegradable and cytocompatible polyurethane-bovine-derived hydroxyapatite biomaterials. Polym. Bull. 79, 2487–2500 (2022). https://doi.org/10.1007/s00289-021-03622-z
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DOI: https://doi.org/10.1007/s00289-021-03622-z