Sensitivity Improvement of an Impedimetric Immunosensor Using Functionalized Iron Oxide Nanoparticles
Figure 2
Cyclic voltammetric measurement with the presence of the 5 mM redox-probe 3[Fe]/[Fe]: (a) bare gold electrode; (b) SAM/Au-electrode. All experiments were performed in PBS 10 mM pH 7.4, scan rate 50 mV/s.