The 2019-nCoV N-S1 Human IgA ELISA Kit is an enzyme-linked immunosorbent assay for the panspecific
detection of Human anti-2019-nCoV N Protein & Spike Protein S1 IgA in serum or other
biological samples. Based on indirect ELISA principles, the 2019-nCoV N-S1 Human IgA ELISA
employs recombinant 2019-nCoV N Protein - Spike Protein S1 RBD Chimera coated on a 96-
well plate. Controls and samples (with necessary dilution) are pipetted into the wells; the target
IgA in the controls and samples binds to the immobilized protein chimera. The intensity of color development in the wells is proportional to the amount of target IgA bound.
SignalChem Cat# |
Component Name |
Size |
Storage |
CP04-C19NSD | 2019-nCoV RBD-N Protein Chimera Coated Plate | 1 plate | Store kit and contents at 4oC for up to 6 months. Store unused multi well strips in the provided resealable bag and use within one month after opening. |
WB20-09 | Wash Buffer, 20X | 15 ml x 2 vials | |
C19NS1A-POS | -nCoV N-S1 IgA POS Control | 1 ml x 1 vial |
C19NS1A-NEG | nCoV N-S1 IgA NEG Control | 1 ml x 1 vial |
SS01-09 | Stop Solution | 6 ml x 1 vial |
E02-09 | nCoV Ig Sample Dilution Buffer | 10 ml x 2 vials |
CS02-506 | One-Step TMB Substrate | 10 ml x 1 vial |
H38A-63DG | Anti-Human IgA Fc Detection Antibody, 1X | 10 ml x 1 vial |
1. Zhou P, et al: A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020, 579:270-89.
2. Xiao X, et al: The SARS-CoV S glycoprotein. Cell Mol Life Sci. 2004, 61 (19-20): 2428-30.
3. Long Q, et al: Antibody responses to SARS-CoV-2 in patients with COVID-19 Quan-Xin Long. Nature Medicine. 2020, 29 April.
4. Ma H, et al: Serum IgA, IgM, and IgG responses in COVID-19. Cell Mol Immunol. 2020, 17: 773-775.
Calculation and interpretation of assay results
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