Noncovalent Interactions of Tiopronin-Protected Gold Nanoparticles with DNA: Two Methods to Quantify Free Energy of Binding

Table 1

Binding constants (𝐾^DNA/AuNPs) and the free energy of binding (Δ𝐺^DNA/AuNPs) corresponding to DNA/AuNPs interaction at different NaCl concentrations.

[NaCl]/M	10^5𝐾^DNA/AuNPs/M^−1	Δ𝐺^DNA/AuNPs/kJmol^−1
0.000	6.40	−33.12
0.002	6.34	−33.10
0.006	4.98	−32.50
0.010	3.88	−31.88
0.015	3.34	−31.51