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. 2021 Sep 10;236:122868. doi: 10.1016/j.talanta.2021.122868

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Fig. 3 — (A) Time-based ECL spectra for the different concentration of SARS-CoV-2 RdRp gene: curve a to curve h indicate the concentration of target DNA from 0 aM to 1000 aM. (B) The relationship between the ECL intensity and the concentration of SARS-CoV-2 RdRp gene. Insert shown the linear part of the relationship between ECL intensity and the concentration of SARS-CoV-2 RdRp gene.