Research Article

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.
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