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Thermal denaturation curves of CT DNA with and without HMCEF.
Note: Tm measurements were performed in PBS at pH 7.4 with HMCEF/DNA ratio of 4.34; A0 is the initial absorbance. Af is the final absorbance, and A is the absorbance at any temperature.
Abbreviations: ΔTm, shift of the melting temperature; CT DNA, calf thymus DNA; HMCEF, N-(3-hydroxymethyl-β-carboline-1-yl-ethyl-2-yl)-l-Phe; PBS, phosphate-buffered saline.
