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Selectivity of IMT to various nucleic acid topologies in equilibrium dialysis. The i-motif samples were performed in 20 mM Tris–HCl (40 mM KCl, pH 5.8) and other samples were performed in 20 mM Tris–HCl (40 mM KCl, pH 7.4). The value of IMT without nucleic acids is defined as 1.0.
