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

Figure 5

Adsorptive stripping voltammograms of thermally denatured ds-DNA (1), ultrasonically irradiated ds-DNA (2), and acid-treated ds-DNA (3) at GrO-IL-AuNPs-Chit/CSE after accumulation for 180 s under open circuit. The native DNA voltammogram is indicated by a dotted line.