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International Journal of Bioprinting Surface modification of PCL scaffolds
Figure 4. Effect of surface modification on osteogenic differentiation in vitro. (A, B) The gene expression of Col1, Ocn, Opn, and Runx2 was examined
using qRT-PCR after culture for 7 and 14 days. (C) The protein expressions of OCN, OPN, and RUNX2 were measured by immunofluorescence staining.
*P < 0.05, **P < 0.01.
Volume 9 Issue 6 (2023) 352 https://doi.org/10.36922/ijb.1071
