Fig. 6.
a Three HDF cells in early passages after alkaline comet assay showed normal cells and no DNA damage. b Alkaline comet assay analysis of three HDF cells in late passages showed long tail like positive control
a Three HDF cells in early passages after alkaline comet assay showed normal cells and no DNA damage. b Alkaline comet assay analysis of three HDF cells in late passages showed long tail like positive control