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Fibroin reinforced, strontium-doped calcium phosphate silicate cements for bone tissue engineering applications
Date
2023-01-01
Author
Işık, Gülhan
Pazarçeviren, Ahmet Engin
Evis, Zafer
Tezcaner, Ayşen
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Calcium phosphate silicate cements (CPSCs) have been developed to overcome problems like high acidity due to presence of brushite and high temperatures evolving as polymethyl methacrylate (PMMA) cements cure at surgery site. However, CPSCs with good handling and injectability have not been successfully produced. Here, we aimed to develop a biocompatible and osteoconductive bone cement composed of strontium (Sr)-doped tri-calcium silicates (C3S), monocalcium monophosphate and silk fibroin (SF). C3S powders were mixed with monocalcium monophosphate, and SF to obtain injectable CPSC. Physical, mechanical and biological characterization studies revealed that SF presence minimized alkalinity, increased rate of weight loss, porosity and elasticity but decreased maximum yield strength. The in vitro cell culture studies showed that all CPSCs were biocompatible. CPSC-Sr2-2% SF group performed the best in terms of osteogenic differentiation. These results suggest that CPSCs hold promise as bone cement however, in vivo studies should be conducted. Graphical abstract: [Figure not available: see fulltext.]
Subject Keywords
Calcium phosphate silicate cement
,
Fibroin
,
Osteogenesis
,
Strontium
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85175640663&origin=inward
https://hdl.handle.net/11511/106124
Journal
Journal of Materials Research
DOI
https://doi.org/10.1557/s43578-023-01211-6
Collections
Department of Engineering Sciences, Article
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BibTeX
G. Işık, A. E. Pazarçeviren, Z. Evis, and A. Tezcaner, “Fibroin reinforced, strontium-doped calcium phosphate silicate cements for bone tissue engineering applications,”
Journal of Materials Research
, pp. 0–0, 2023, Accessed: 00, 2023. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85175640663&origin=inward.