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. 2018 Nov 13;12(6):064102. doi: 10.1063/1.5057731

FIG. 5.

FIG. 5.

(a) Image of the paper based immunosensor with the magnified area showing the silver microelectrode surface observed under an optical microscope (i) before and (ii) after trapping of MPs using p-DEP. (b) EIS spectra (bode plot) for each step during immunosensor fabrication and operation. (c) Normalized impedance variations for different concentrations of HSA.