SARS-CoV-2 Nucleocapsid Protein IgG ELISA Kit

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    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience
    • sandwich-Ab-ELISA-Elabscience

      Catalog number:E-EL-E600

      Synonyms:COVID 19 IgG,N protein IgG

      • 96T
      • 96T*5
      • 96T*10
      - +
      Price: $500

      Reactivity: Human

      Assaytype: Indirect-ELISA

      Assaytime: 1.5h

      Lead Time: Order now, ship in 3 daysWelcome to order from local distributors.

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      Intended use

      This ELISA kit applies to the in vitro qualitative determination of SARS-CoV-2 Nucleocapsid Protein IgG in serum or plasma from pneumonia patients infected with SARS-CoV-2.


      Test principle

      This ELISA kit uses Indirect-ELISA as the method to qualitatively detect the SARS-CoV-2 Nucleocapsid protein IgG in the sample. The micro ELISA plate provided in this kit is pre-coated with purified SARS-CoV-2 Nucleocapsid protein (E-ELC-001) antigen, after adding samples to wells, the SARS-CoV-2 Nucleocapsid protein IgG in the samples will combine with the pre-coated SARS-CoV-2 Nucleocapsid protein antigen. After washing completely, add Horseradish Peroxidase (HRP) conjugated mouse anti human IgG to develop the antigen-antibody-HRP conjugated secondary antibody complex. Free components are washed away, then the substrate solution is added to each well. Only those wells that contain SARS-CoV-2 Nucleocapsid protein IgG and HRP conjugated anti-human IgG will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 ± 2 nm. Compared with the CUT OFF value to judge whether SARS-CoV-2 Nucleocapsid protein IgG exists in the tested samples or not.


      Kit components

      The unopened kit can be stable for 6 months at 2-8℃. After opening the kit, keep the reagents according to the conditions below.




      Micro ELISA Plate(Dismountable)

      8 wells ×12 strips

      2-8℃, 6 months

      Positive Control

      2 vials

      2-8℃, 6 months

      Negative Control

      2 vials

      Sample & Control Diluent

      1 vial, 25 mL

      Concentrated HRP Conjugated Mouse anti-human IgG(100×)

      1 vial, 120 μL

      2-8℃(Protect from light), 6 months

      HRP Conjugate Diluent

      1 vial, 14 mL

      2-8℃,6 months

      Concentrated Wash Buffer(25×)

      1 vial, 30 mL

      Stop Solution

      1 vial, 10 mL

      Substrate Reagent

      1 vial, 10 mL

      2-8℃(Protect from light), 6 months

      Plate Sealer

      5 pieces


      Product Description

      1 copy

      Certificate of Analysis

      1 copy

      Note:All reagent bottle caps must be tightened to prevent evaporation and microbial pollution. The volume of reagents in partial shipments is a little more than the volume marked on the label, please use accurate measuring equipment instead of directly pouring into the vial(s).


      Other supplies required

      Microplate Reader with 450 nm wavelength filter or dual-wavelength (450/630 nm)

      High-precision transfer pettor, EP tubes and disposable pipette tips

      Incubator capable of maintaining 37℃

      Deionized or distilled water

      Absorbent paper

      Loading slot for Wash Buffer



      3 samples with low, mid-range and high level were tested 20 times on one plate respectively.


      3 samples with low, mid-range and high level were tested on 3 different plates, 20 replicates in each plate. 

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