Table 2.

Summary of the effect the buffer NaCl concentration has on the thermodynamic equilibrium dissociation constant (K⁻¹), the proportionality constant (a), and the Gibbs free energy for hybridization interaction occurring on the cantilever surface (ΔG)

[NaCl], mM	K−1, nM	a, nm	ΔG, kJ/mol
150	120  ± 30	8.3  ± 0.8	39.5
750	33  ± 8	8.3  ± 0.8	42.3
1,000	31  ± 5	9.8  ± 1.0	42.8