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(A) ΔI value in the presence of SARS-CoV-2 (N gene), non-complementary, single-base mismatch, two-base mismatch, SARS-CoV-2 (RdRp gene) at 100 nM and 15.6 mg/mL of HSA and IgG (n = 3); (B) correlation of SARS-CoV-2 (N gene) detection in nasopharyngeal swab samples using ePAD sensing (y-axis) vs RT-PCR assay (x-axis).
