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- W3120853460 endingPage "111870" @default.
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- W3120853460 abstract "Triply periodic minimal surfaces (TPMS) are known for their advanced mechanical properties and are wrinkle-free with a smooth local topology. These surfaces provide suitable conditions for cell attachment and proliferation. In this study, the in vitro osteoinductive and antibacterial properties of scaffolds with different minimal pore diameters and architectures were investigated. For the first time, scaffolds with TPMS architecture were treated electrochemically by plasma electrolytic oxidation (PEO) with and without silver nanoparticles (AgNPs) to enhance the surface bioactivity. It was found that the scaffold architecture had a greater impact on the osteoblast cell activity than the pore size. Through control of the architecture type, the collagen production by osteoblast cells increased by 18.9% and by 43.0% in the case of additional surface PEO bioactivation. The manufactured scaffolds demonstrated an extremely low quasi-elastic modulus (comparable with trabecular and cortical bone), which was 5–10 times lower than that of bulk titanium (6.4–11.4 GPa vs 100–105 GPa). The AgNPs provided antibacterial properties against both gram-positive and gram-negative bacteria and had no significant impact on the osteoblast cell growth. Complex experimental results show the in vitro effectiveness of the PEO-modified TPMS architecture, which could positively impact the clinical applications of porous bioactive implants." @default.
- W3120853460 created "2021-01-18" @default.
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- W3120853460 date "2021-02-01" @default.
- W3120853460 modified "2023-10-14" @default.
- W3120853460 title "In vitro evaluation of electrochemically bioactivated Ti6Al4V 3D porous scaffolds" @default.
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- W3120853460 doi "https://doi.org/10.1016/j.msec.2021.111870" @default.
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