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. 2022 Oct 8;253:123992. doi: 10.1016/j.talanta.2022.123992

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Fig. 3 — (A) Amperograms and (B) calibration plot of the current response at 120 s in a function of SARS-CoV-2 DNA concentrations in the range from 0.1 nM to 200 nM showing the enlarged amperogram in each different DNA concentration in the inset (A); linear calibration plot as a function of logarithmic concentration of SARS-CoV-2 DNA in the inset (B) (n = 3).