Research Article
Development of a Nanostructured Electrochemical Genosensor for the Detection of the K-ras Gene
Figure 4
(a) The relative current change of the anodic peak of [Fe(CN)6]−3/−4 redox probe versus hybridization temperature after the dox treatment, at the room temperature (20°C) (Au/MUCS/dsDNA/dox). (b) Cyclic voltammograms of [Fe(CN)6]3−/4− redox probe recorded at Au/MUCS electrode (a), Au/MUCS/sNC electrode (b), and Au/MUCS/dsDNA electrode (c). (c) Cyclic voltammograms of [Fe(CN)6]3−/4− redox probe recorded at Au/MUCS electrode (a) Au/MUCS/sNC/dox electrode (b), and Au/MUCS/dsDNA/dox electrode. The dox solution was added in excess 10−5 (M) all electrochemical measures were made by means of cyclic voltammetry (CV) at a scan rate of 50 mV/s, within a potential range from −400 mV to +500 mV.
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