Research Article

Genotoxic Effects of Etoposide, Bleomycin, and Ethyl Methanesulfonate on Cultured CHO Cells: Analysis by GC-MS/MS and Comet Assay

Figure 1

Comet assay measurement of DNA damage. (a) Typical comet assay images of cells after treatment with increasing concentrations of EMS. (b) From multiple images at each treatment level, the % DNA in tail was determined for individual comets and plotted as histograms.
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(b)