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Fig. 4 | Genes and Environment

Fig. 4

From: Selective enhancing effect of metal ions on mutagenicity

Fig. 4

Comparison by digital image analysis of reactive oxygen species production in A549 cells treated with 4-nitroquinoline 1-oxide (4NQO) in the presence or absence of Cu(II). Fluorescence intensities of A549 cells treated with (a) vehicle, (b) 4NQO (1 μM), (c) 4NQO (1 μM) and Cu(II) (1.25 mM) were estimated using Image-Pro Plus software (Media Cybernetics, Inc., Rockville, MD, USA). The results of at least 200 cells were averaged

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