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. 2016 Dec 21;6:39548. doi: 10.1038/srep39548

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Copyright © 2016, The Author(s)

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(a) Flow cytometry based JC-1 assay showed a significant reduction in MMP of A549 and BEAS-2B cells after 24 h exposure of GO, TRGO and CRGO. (b) Representative TEM photomicrographs also showed the damage to mitochondrial cristae structure in both cells. Data is mean ± SE of three independent experiment. *p < 0.05, **p < 0.01, compared to control value.