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(a) WST-8 assay for primary mouse embryonic fibroblasts exposed to GO, M-rGO, and H-rGO of different concentrations for 24 h. Error bars represent standard error of the mean (n = 3); p < 0.05; (b) Cell mortality of primary mouse embryonic fibroblasts (PMEF) cells determined from trypan blue assay upon 24-h exposure to GO, M-rGO and H-rGO of different concentrations. Error bars represent standard error of the mean (n = 3); p < 0.05. Reproduced from [124] with permission of Elsevier.
