Research Article

Sensitivity Improvement of an Impedimetric Immunosensor Using Functionalized Iron Oxide Nanoparticles

Table 3

Fitting parameters obtained from the proposed equivalent circuit for the different layers of the immunosensor based on SAM.

Layer ( ) ( )CPE ( )

Bare gold51.6382921.8847E-50.964140.0011
Thiol47.18371204.0271E-60.94750.00058
GA49.26625353.2506E-60.949020.0011
Neutv.43.22487033.9494E-60.939450.0010
Ab44.63398694.1848E-60.931690.0010