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. 2020 Oct 22;172:112705. doi: 10.1016/j.bios.2020.112705

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Fig. 2 — (a) Real $C^{'}$ and (b) Imaginary $C^{″}$ components of complex capacitance vs. frequency (Bode plots) after sensor exposure to CRP in 1% fetal bovine serum. Frequency peak ( $f_{p}$ ) used for G calculation is shown in (b). (c) The film conductance $G (μ S)$ responses on exposure to different target concentrations. (d) A representative calibration curve derived from (c) with R² = 0.994. Error bars represent standard deviation from independent measurements.