Table 1. AFM-determined 2D asphericity in diluted and concentrated non-supercoiled DNA molecules.

Concentration	Number of analysed molecules	Length [nm]	Asphericity
0.5 ng/μl	95	800 ± 25	0.57 ± 0.2
2.2 ng/μl	60	820 ± 20	0.65 ± 0.2