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- W4200095383 abstract "Scaffolds with favorable biological characteristics and controlled functional gradient architectures are preferable for the repair of damaged tissues in bone tissue engineering. In this study, the triply periodic minimal surfaces (TPMS) were introduced to design functional gradient porous scaffolds based on Primitive lattices which were then manufactured by selective laser sintering (SLS) using pure polyamide12 (PA12) material and PA12/hydroxyapatite (HA) composite material. The mechanical properties and permeability of the scaffolds were then evaluated by mechanical compression experiments and computational fluid dynamics (CFD) analysis. The radial-graded scaffold was found to have superior good mechanical properties and permeability and be favorable for the subsequent growth of bone tissue. Further, the optimal PA12/HA composition was determined by analyzing the effect of the addition of HA particles on the hydrophilicity and mechanical properties of the composite scaffold. Additionally, the cytotoxicity tests were performed to evaluate the effects of PA12/HA gradient scaffold on cell growth. The obtained results demonstrate that the radial gradient scaffold with 15% HA addition exhibits a feasible combination of comprehensive performance and biological activity, indicating a great application potential in the field of bone tissue engineering." @default.
- W4200095383 created "2021-12-31" @default.
- W4200095383 creator A5007847879 @default.
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- W4200095383 date "2022-02-01" @default.
- W4200095383 modified "2023-09-30" @default.
- W4200095383 title "Design and properties of graded polyamide12/hydroxyapatite scaffolds based on primitive lattices using selective laser sintering" @default.
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- W4200095383 doi "https://doi.org/10.1016/j.jmbbm.2021.105052" @default.
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