In Situ Evaluation of Fludarabine-DNA Interaction Using a DNA-Electrochemical Biosensor

Figure 5

DP voltammograms baseline corrected in pH 4.5 0.1 M acetate buffer of 100 μg mL⁻¹: (a) Poly[G] and (b) Poly[A] (solid line) before and after incubation with 5 μM FLU during (dashed line) 0 h, (dotted line) 1 h, and (dash-dotted line) 3 h. Pulse amplitude-50 mV, pulse width-70 ms, and 𝜈=5 mV s⁻¹.

(a)

(b)