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. 2022 Jun 11:jfac023. doi: 10.1093/jalm/jfac023

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© American Association for Clinical Chemistry 2022. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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Fig. 2. — (A), COVID-19 positive result with recombinant nucleocapsid protein. Analytical sensitivity, 100 pg/mL and linearity ≥80 000 ng/mL; (B), Accelerated stability study result at room temperature, 37 °C, and 45 °C. The performance test was done using recombinant nucleocapsid protein (1000 ng/mL, 10 ng/mL, 1 ng/mL) in lysis buffer; (C), SARS-CoV-2 variants check in an AG-Q COVID-19 N-Antigen self-test kit.