| Message: | Intended Use: The COVID-19 IgM+IgG kit is a qualitative immunoassay for the detection of novel coronavirus IgM+IgG in human serum, plasma or whole blood in vitro.
Principle of the assay: This kit is based on one-step lateral flow chromatographic immunoassay. The test strip in the device includes: 1) a conjugate pad containing colloidal gold conjugated COVID-19 antigen and rabbit IgG antibody, and 2) nitrocellulose membrane containing a test line (T line) and a control line (C line). The test line (T line) was precoated with anti-human COVID-19 IgM + IgG antibodies, when an adequate amount of specimen is applied to the sample pad of the device, COVID-19 antibodies in the specimen binds to sites on "novel coronavirus antigen colloidal gold - coronavirus antibody - anti-human COVID-19 IgM/IgG" complex is formed in the nitro cellulose membrane detection line and migrates along the membrane strip. If the specimen contains COVID-19 antibodies, the complex will bind to the capture antibody coated on the T line to develop a burgundy-colored band. If the specimen does not contain COVID-19 antibodies, the T line will not develop. The C line is coated with goat anti-rabbit IgG antibody, which should bind to the gold-antibody conjugate and forms a burgundy colored line regardless of the presence of COVID-19 antibodies.
Background: The 2019 novel coronavirus, abbreviated as 2019-ncov, is a new strain of coronavirus discovered in the human body in 2019. The symptoms of the virus are fever, fatigue, dry cough, and progressive dyspnea. In severe cases, the symptoms are acute respiratory distress syndrome, septic shock, metabolic acidosis and coagulation dysfunction that cant be corrected. The virus has been confirmed to exist the phenomenon of human-to-human transmission, the shortest incubation period of the virus is only 1 day, and the longest incubation period is 14 days. The patients in incubation period is contagious and there is no specific treatment for the disease. . After a hu......url:http://www.codewel.com |
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