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. 2021 Apr 6:10.2144/btn-2020-0159. doi: 10.2144/btn-2020-0159

Figure 1. SARS-CoV-2 visual detection.

Figure 1.

(A & B) Percentage of visually positive replicates (seven replicates) for each primer set (ORF1ab and N) and their combination (ORF1ab + N) after (A) 16 or (B) 22 min of LAMP reaction with different amounts of synthetic SARS-CoV-2 RNA (10,000, 5000, 1000, 500, 250, 100 and 50 copies). (C) Color shown in the test tube of nontemplate control for each primer set (ORF1ab and N) and their combination (ORF1ab + N) after 22 min of LAMP reaction (seven replicates).