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. 2022 Jan 21;202:114021. doi: 10.1016/j.bios.2022.114021

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Fig. 3 — Sensor response towards SARS-CoV-2. a) Samples are distinguished in 3 regions; Negative to SARS-CoV-2, Positive with low viral load and positive with high viral load; b) Normalized response of the sensor for SARS-CoV-2; c) Capacitance change over time for swab and saliva sample of the same person; d) Calibration curve of Ct vs Virus Copy Numbers.