Q-LISA Covid-19 IgG

Q-LISA Covid-19 IgG

Product Description

Q-Lisa Covid-19 Elisa IgG Antibodies Test

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The Q-lisa® COVID-19 ELISA Antibody Test (IgG) is an in-vitro qualitative enzyme immunoassay -intended for the detection of specific IgG antibodies against SARS CoV-2 in human plasma and serum. The nucleocapsid protein (N-protein) of SARS CoV-2, pre-coated on to the micro titer plate wells will bind with the specific COVID-19 IgG present in the infected test serum. The Ag-Ab complex will be then reversely captured by the addition of IgG-HRP and eventually will generate a colour following the addition of chromogenic substrate.


Hence during the symptomatic phase of the disease, the viral RNA may no longer be detectable, the persistence of the COVID- 19 IgG antibodies proves to be a valuable tool in identifying people who have been infected and likely to recover from the illness. Though it is unknown that the IgG against SARS CoV-2 confer any immunity yet, its detection plays an important role in sero surveillance. In India, the ICMR has recommended these tests for conducting sero-surveillance to determine the burden of COVID-19 at the community level and monitor the trends in the transmission of SARS-CoV-2 infection.



  • Based on indirect immunoassay technique to ensure high specificity.
  • Recombinant nucleocapsid protein (nCoV-19) as antigen.
  • Adaptable to almost all ELISA readers and washers.
  • Less than 90 minutes assay time.
  • Relative sensitivity: 96% and specificity: 99%.
  • Ready to use Positive and Negative controls.
  • Simplified ELISA procedure.
  • Colour coded reagent bottles.
  • _____15 months_________________months shelf life.
  • 96 wells with beak away format.
  • 30 days open vial stability when stored at 2-8°C.
  • 2 to 8°C Storage.



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