Interaction of Calf Thymus DNA with the Ni(II) Complex of Sodium 1,4-Dihydroxy-9,10-Anthraquinone-2-Sulphonate: A Novel Method of Analysis Using Cyclic Voltammetry

Figure 2

Cyclic voltammogram of 23.806×10⁻⁶ mol dm⁻³ Na₂[Ni(NaLH)₂Cl₂] · 2H₂O in absence (1) and presence of different CT DNA concentrations (mol dm⁻³): 98.3×10⁻⁶ (2), 194.78×10⁻⁶ (3), 336.13×10⁻⁶ (4), 518.65×10⁻⁶(5), 694.67×10⁻⁶ (6), 906.07×10⁻⁶ (7); cyclic voltammogram of 289.44×10⁻⁶ mol dm⁻³ CT DNA (8); pH = 7.4, [NaCl] = 0.500 mol dm⁻³, scan rate 0.200 V/s, 25^∘C.