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Figure 2: MTS assay of OECs on aligned collagen nanofibers. After OECs were cultured on aligned collagen nanofibers for 3, 5, 7 and 9 days, the cells were collected for MTS assay. At day 5 and day 7, the cell number was greater in cultures on aligned collagen nanofibers compared with control cultures (* p<0.05). |