Fig. 4From: Cell attachment and proliferation of osteoblast-like MG63 cells on silk fibroin membrane for guided bone regenerationEvaluation of the cell viability by MTT assay using the optical density value. OD optical density, SF silk fibroin, 0D cell seeding day, 1D 1 day after cell seeding, 5D 5 days after cell seeding, 7D 7 days after cell seeding, NS not significantBack to article page