
Keywords: CT-DNA, calf thymus DNA; DMF, N, N-dimethylformamide; DMSO, dimethyl sulfoxide; EDTA, N, N′-1,2-ethanediylbis[N-(carboxymethyl)]glycine; ESI-MS, electrospray ionization mass spectra; IC50, 50% inhibition concentrations; MTT, 3-(4,5-dimethylthiazol-2-yl) 2