Table 1. Levels of 8-oxo-dG in CT-DNA treated in the presence of different antioxidants.

CT-DNA	Antioxidant	8-oxo-dG (fmol/μg DNA)
Without DNA isolation		17.7 ± 1.65
With DNA isolation	No antioxidant	20.7 ± 0.54
	TEMPO	21.4 ± 4.44
	DFO	13.8 ± 4.89
	8-HQ	18.2 ± 0.38