COVID-19 test kit
for neutralizing antibodyIgGIgM

COVID-19 test kit
COVID-19 test kit
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Tested parameter
for neutralizing antibody, IgG, IgM
Sample type
serum, plasma, whole blood
Analysis mode
Result display time

15 min


The 2019-nCoV Neutralization Antibody Test Kit adopted Colloidal Gold Immunochromatography for measuring functional neutralizing antibodies to COVID-19. It is a rapid COVID-19 Neutralizing Antibody Test. What Is Colloidal Gold And Does It Do Harm to the Body? Immunocolloidal gold technique is a kind of technique that uses colloidal gold as a marker. This special metal particle is hydrosol form of gold and it can bind proteins rapidly and stably. Moreover, colloidal gold has little effect on biological activity of natural proteins. colloidal gold is often used as neutralizing antibodies to 2019-nCoV in clinical samples (serum/plasma/ whole blood) for qualitative detection. Colloidal Gold Antibody Test Kit Features • ACCURATE • RELIABLE • EFFICIENT • CONVENIENT Principle of Colloidal Gold Antibody Test Kit: This colloidal gold antibody test kit contains colloidal gold labeled 2019-nCoV Spike Protein (RBD), mouse-anti human IgG antibody immobilized in G test area, mouse-anti human IgM antibody immobilized in M test area. Operation Steps of Colloidal Gold Antibody Test Kit: • Step 1 Add 20µl of whole blood sample/ 10µl of serum or plasma sample to well A. • Step 2 Add two drops (about 80µl) of sample dilution to well B, and start timing. • Step 3 The test results should be read at 15 mins. Do not read the results after 20 mins. Result Interpretation of Colloidal Gold Antibody Test Kit: • Positive Purple red band appears in quality control area (C) and M/G test area. • Negative Purple red band only appears in quality control area (C). • Invalid No purple stripe appears in the quality control area (C).



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