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J. Korean Ceram. Soc. > Volume 57(5); 2020 > Article
Journal of the Korean Ceramic Society 2020;57(5): 557-569.
doi: https://doi.org/10.1007/s43207-020-00061-w
Effect of magnetic particles adding into nanostructured hydroxyapatite–alginate composites for orthopedics
L. F. Sukhodub1, L. B. Sukhodub1, A. D. Pogrebnjak1,2, Amanzhol Turlybekuly2 , A. Kistaubayeva3, I. Savitskaya3, D. Shokatayeva3
1Sumy State University, Sumy, Ukraine
2D. Serikbayev East Kazakhstan State Technical University, Oskemen, Kazakhstan
3Al-Farabi Kazakh National University, Almaty, Kazakhstan
Correspondence  Amanzhol Turlybekuly ,Email: aturlybekuly@gmail.com
Received: February 10, 2020; Revised: May 15, 2020   Accepted: May 20, 2020.  Published online: September 30, 2020.
The composite materials based on hydroxyapatite (HA), sodium alginate (Alg)–magnetite (Fe3O4) were synthesized by the “wet chemistry method” under the influence of microwave irradiation and ultrasound. The biomagnetic samples were investigated by XRD, RFA, SEM, TEM and colorimetric assay methods. The cytotoxicity was assessed on fibroblasts cultures. It was found that the synthesis of Fe3O4 particles in the presence of Alg macromolecules leads to magnetite nanoparticles’ average size decreasing (up to 8 nm). The presence of samples with applied magnetite content (1% of HA) in a nutrient medium did not influence on cells viability. It was shown that the hydrogels were more conducive to cells survival and provide a greater degree of cell proliferation in comparison with beads. It was concluded that Fe3O4-loaded hydroxyapatite–alginate composites are characterized by good adhesive ability of the fibroblast cells and its bioactivity.
Key words: Biomagnetic composites · Hydroxyapatite–alginate composites · Bioactivity and cytotoxicity
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