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J. Korean Ceram. Soc. > Volume 58(4); 2021 > Article
Journal of the Korean Ceramic Society 2021;58(4): 422-429.
doi: https://doi.org/10.1007/s43207-020-00107-z
Design, characterization and mechanical properties of new Na+, CO32− -apatite/alginate/C60 fullerene hybrid biocomposites
Nataliia Strutynska1, Anna Malyshenko2, Nina Tverdokhleb3, Maxim Evstigneev3, Ludmila Vovchenko1, Yuriy Prylutskyy1, Nikolai Slobodyanik1, Uwe Ritter4
1Chemistry Department , Taras Shevchenko National University of Kyiv , 64/13, Volodymyrska Str. , Kyiv 01601 , Ukraine
2Bogomolets National Medical University , Peremogy Ave. 34 , Kyiv 03055 , Ukraine
3Sevastopol State University , Sevastopol 299053 , Ukraine
4Institute of Chemistry and Biotechnology , Technical University of Ilmenau , Weimarer Str., 25 , 98693 Ilmenau , Germany
Correspondence  Nataliia Strutynska ,Email: Strutynska_N@bigmir.net
Received: September 22, 2020; Revised: December 23, 2020   Accepted: December 31, 2020.  Published online: July 31, 2021.
Nanoparticles (20–50 nm) of Na+, CO32−-containing calcium phosphate (Na: 1.49 wt% and C: 1.53 wt%) with apatite-type structure were prepared by precipitation method from aqueous solution. According to FTIR spectroscopy data, the partial substitution of phosphate by carbonate (B-type) realized in the apatite-type structure. Obtained Na +, CO32−-hydroxyapatite (HAP) was used for the preparation of hybrid biocomposites with Alginate (Alg) with weight ratio HAP: Alg = 1:1 or 2:1 and C60 fullerene (C60 ; from 0.2 to 4 wt%) and their mechanical properties were determined. It was found, that sample with weight ratio HAP: Alg = 2:1 and containing 4.0 wt% of C60 has the highest Young’s modulus 429 MPa comparing with other determined samples. The structure modeling of the investigated system showed that the formation of triple complexes Na + , CO32−-HAP–Alg–C60 is stabilized by solvophobic and stacking interactions. The created biocomposites can be used as an eff ective implant material for bone restoration.
Key words: Chemical preparation · Composites · Mechanical properties · Apatite · Alginate
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