A New Electrochemical Sensor for Direct Detection of Purine Antimetabolites and DNA Degradation

Figure 6

CVs recorded at GrO-IL-AuNPs-Chit/CSE during the interaction between MP and native ds-DNA. Interaction time in min: 3 (1), 10 (2), and 30 (3). Concentration of ds-DNA was 100 μg·mL⁻¹; the supporting electrolyte is 0.1 mol·L⁻¹ PBS, pH 7.4;  = 0.1 V·s⁻¹.