Squamous Cell Carcinoma Biomarker Sensing on a Strontium Oxide-Modified Interdigitated Electrode Surface for the Diagnosis of Cervical Cancer

Figure 2

Surface characterization of IDE. (a) Reproducibility test on the bare devices by IDE. Three devices were tested. SEM image of the surface is displayed as the figure inset. (b) pH scouting. Different pH solutions from 1 to 12 were used.

(a)

(b)