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. 2020 Nov 30;10:553837. doi: 10.3389/fcimb.2020.553837

Figure 2.

Figure 2

Reagent preparation and detection process (A). Preparation of antibody detection reagent strip (B). Oropharyngeal swab sampling (C). The method of double-antibody sandwiched antigens (D). Read the result using UV-LED (E). Analyzed by the detector.