Table 2. The difference of logarithmic impedance values (ΔlZl) before and after hybridization of the complementary sequence according to the different ODN length at 1 KHz.

ODN length	ΔlZl (10nΩ)
28mer	1.04 ± 0.05
30mer	0.61 ± 0.05
32mer	0.78 ± 0.05
36mer	0.98 ± 0.05