Research Article

Development of a Nanostructured Electrochemical Genosensor for the Detection of the K-ras Gene

Figure 1

Cyclic voltammograms current of the 20 mM [Fe(CN)6]−3/−4 redox probe/0.01 M PBS (pH 7.4) and AFM image of 3D morphology of (for both cases) registered on unmodified Au electrode (a), modified Au/MUCS electrode (b) modified Au/MERS electrode and modified Au/MCHS electrode, with area of 1 μm × 1 μm and Z scale 0–250 nm.