COVID-19 test kit
for neutralizing antibodyclinicalserum

COVID-19 test kit
COVID-19 test kit
COVID-19 test kit
COVID-19 test kit
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Tested parameter
for neutralizing antibody
Sample type
clinical, serum, plasma, whole blood
Analysis mode
immunochromatographic, fluorescence


2019-nCoV Antibody Test KitNeutralization(FLUORESCENCE IMMUNOCHROMATOGRAPHY) is used for qualitative detection of neutralizing antibodies to 2019-nCoV in clinical samples (serum/plasma/ whole blood). Fluorescent immunochromatography is a rapid analytical method that combines fluorescent microsphere labeling with immunochromatography. Product Features • ACCURATE • RELIABLE • EFFICIENT • CONVENIENT Principle: The test kit contains fluorescently-labeled 2019-nCoV Spike Protein (RBD), ACE2 Protein immobilized in test area (T) and the corresponding antibody in quality control area (C). Operation Steps: • Step 1 Add two drops (about 20 µl) of whole blood sample/ one drop (about 10µl) of serum or plasma sample to well A. • Step 2 Add three drops (about 100 µl) of sample dilution to well B, and start timing. • Step 3 Wait for 15 minutes, insert sample into catridge of immunoassay analyzer to read the results. Applicable Instrument: LEPU Fluo-800 Result Interpretation: Reference Range: Inhibition rate≥20% • Positive Inhibition rate≥20%, the sample contains 2019-nCoV neutralizing antibodies. • Negative Inhibition rate<20%, the sample does not contain the 2019-nCoV neutralizing antibodies or its content is below the limit of detection. • Invalid No fluorescent signal is detected.



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