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- W3128257306 abstract "Abstract Background Titanium (Ti) has been utilized as hard tissue replacement owing to its superior mechanical and bioinert property, however, lack in tissue compatibility and biofunctionality has limited its clinical use. Reduced graphene oxide (rGO) is one of the graphene derivatives that possess extraordinary biofunctionality and are known to induce osseointegration in vitro and in vivo. In this study, rGO was uniformly coated by meniscus-dragging deposition (MDD) technique to fabricate rGO-Ti substrate for orthopedic and dental implant application. Methods The physicochemical characteristics of rGO-coated Ti (rGO-Ti) substrates were evaluated by atomic force microscopy, water contact angle, and Raman spectroscopy. Furthermore, human mesenchymal stem cells (hMSCs) were cultured on the rGO-Ti substrate, and then their cellular behaviors such as growth and osteogenic differentiation were determined by a cell counting kit-8 assay, alkaline phosphatase (ALP) activity assay, and alizarin red S staining. Results rGO was coated uniformly on Ti substrates by MDD process, which allowed a decrease in the surface roughness and contact angle of Ti substrates. While rGO-Ti substrates significantly increased cell proliferation after 7 days of incubation, they significantly promoted ALP activity and matrix mineralization, which are early and late differentiation markers, respectively. Conclusion It is suggested that rGO-Ti substrates can be effectively utilized as dental and orthopedic bone substitutes since these graphene derivatives have potent effects on stimulating the osteogenic differentiation of hMSCs and showed superior bioactivity and osteogenic potential." @default.
- W3128257306 created "2021-02-15" @default.
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- W3128257306 date "2021-02-12" @default.
- W3128257306 modified "2023-10-10" @default.
- W3128257306 title "Reduced graphene oxide coating enhances osteogenic differentiation of human mesenchymal stem cells on Ti surfaces" @default.
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- W3128257306 doi "https://doi.org/10.1186/s40824-021-00205-x" @default.
- W3128257306 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7881470" @default.
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- W3128257306 hasPublicationYear "2021" @default.
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