Research Article

Sensitivity Improvement of an Impedimetric Immunosensor Using Functionalized Iron Oxide Nanoparticles

Figure 13

Electrical calibration curves describing the variation of membrane resistance against antigen concentrations.
746548.fig.0013a
(a) Detection using system 1 based on SAM
746548.fig.0013b
(b) Detection using system 2 based on iron oxide nanoparticles