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. Author manuscript; available in PMC: 2014 Mar 25.
Published in final edited form as: Toxicol Ind Health. 2012 Sep 25;30(6):489–498. doi: 10.1177/0748233712459914

Figure 4.

Figure 4

Comet assay images of HaCaT cells: A) Normal untreated HaCaT cell; B). HaCaT cells exposed to purified MWCNTs followed by 4 hrs incubation before Comet Assay; C) HaCaT cells exposed to MWCNTs followed by 8 hrs incubation before Comet Assay; D) Normal HaCaT cell treated with FPG; E). HaCaT cells exposed to MWCNTs followed by treatment with FPG and 4 hrs incubation before Comet Assay; F) HaCaT cells exposed to MWCNTs followed by treatment with FPG and 8 hrs of incubation before Comet Assay; G) HaCaT cells exposed to MWCNTs followed by 24 hr incubation prior to Comet Assay; H) HaCaT cell exposed to MWCNTs followed by FPG treatment and 24 hrs of incubation before Comet Assay.