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Your Position: Home > Kits > Spike RBD > RAS-N056

Anti-SARS-CoV-2 (B.1.1.529) Neutralizing Antibody Titer Serologic Assay Kit (Spike RBD)

For research use only.

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    Materials Provided
    IDComponentsSize
    RAS056-C01Pre-coated Human ACE2 Microplate1 plate
    RAS056-C02SARS-CoV-2 Antibody Positive Control100 μL
    RAS056-C03SARS-CoV-2 Antibody Negative Control100 μL
    RAS056-C04HRP-SARS-CoV-2 Spike RBD(B.1.1.529)15 μg
    RAS056-C0510xWashing Buffer50 mL
    RAS056-C06Dilution Buffer50 mL
    RAS056-C07Substrate Solution12 mL
    RAS056-C08Stop Solution7 mL
  • Product Overview
    As of Nov 29th, confirmed cases of a new variant of concern (VOC) B.1.1.529 have been reported in South Africa, Botswana and more than 12 other countries. Thanks to the rapid sequencing efforts of South African scientists, the whole world is now alerted about this potentially devastating lineage, which was assigned the name Omicron by WHO.Omicron is a highly divergent variant with a high number of mutations (26-35) in the spike. Identification of some familiar mutations that also appeared on other VOCs gives rises to concerns of its immune escape potential and higher transmissibility. To facilitate the mutant-related research, drug trials and vaccine development, a high-throughput assay to measure neutralizing antibodies against the mutants is in urgent need.
  • Application

    This Kit is developed for qualitative detection or titer measurement of Anti-SARS-CoV-2 (B.1.1.529) neutralizing antibody (Spike RBD) in human serum.

    It is for research use only.

  • Reconstitution
    Please see Certificate of Analysis for details of reconstitution instruction and specific concentration.
  • Storage
    1. Unopened kit should be stored at 2℃-8℃ upon receiving.

    2. Find the expiration date on the outside packaging and do not use reagents past their expiration date.

    3. The opened kit should be stored per components table. The shelf life is 30 days from the date of opening.

  • Assay Principles
    This assay kit is used to measure the levels of Anti-SARS-CoV-2 neutralizing antibody through a competitive ELISA. The microplate in the kit has been pre-coated with Human ACE2 protein. First serum samples, Positive control, Negative Control are added to the wells followed by addition of HRP-SARS-CoV-2 Spike RBD. After incubation, the wells are washed and substrate is added to the wells. The reaction is terminated by the addition of stop solution and the intensity of color is measured at 450 nm. The presence of neutralizing antibodies in samples will compete with ACE2 for HRP-SARS-CoV-2 Spike RBD binding. The intensity of assay signal decrease proportionally to the presence of Anti-SARS-CoV-2 neutralizing antibody.

    Your experiment will include 5 simple steps:

    a) All reagents were returned to room temperature(20°C-25°C) before use.

    b) Make series the tested sample and control with ditlution buffer, HRP-SARS-CoV-2 RBD diluted with dilution buffer.

    c) Add the HRP-SARS-CoV-2 RBD, diluted sample and Control add the plate respectively.

    d) Wash the plate and add TMB or other colorimetric HRP substrate.

    e) Stop the substrate reaction by add diluted acid. Absorbance (OD) is calculate as the absorbance at 450 nm minus the absorbance at 630 nm to remove background prior to statistical analysis. The OD Value reflects the amount of protein bound.

  • Clinical and Translational Updates

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Price(USD) : $650.00

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