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In vitro assessment of each film (N=6, means ± SD): CCK-8 assays (A); DNA content (B); and ALP activity (C).
Note: *P<0.05.
Abbreviations: N, number of samples; SD, standard deviation; CCK-8, cell counting kit-8; ALP, alkaline phosphatase; DNA, deoxyribonucleic acid; h, hours; d, days; Ctrl, control; GO, graphene oxide; RGO, reduced graphene oxide.
