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Infectious Serology · COVID-19 NP CLIA
TestLine Distributed by Goffin Diagnostics

CLIA COVID-19 NP IgM

Chemiluminescence kit for the determination of IgG antibodies against SARS-CoV-2 virus nucleocapsid protein (COVID-19) in human serum or plasma.

CLIA CE-IVD TestLine 1 Package (100 Tests)
Technique
CLIA
Brand
TestLine
Packaging
1 Package (100 Tests)
Diagnostic Panel
COVID-19, Respiratory Diseases
Download documentation
Runs on KleeYa® Automated CLIA Analyser See the analyser and everything it runs

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Product details

This kit in detail

  • Detection of IgM antibodies to Nucleocapsid Protein (NP) of SARS-CoV-2
  • Intended for human serum and plasma
  • Nucleocapsid recombinant antigen (rNP) used

Description

Coronaviruses belong to the family of enveloped RNA viruses. In humans, they cause diverse clinical pictures, from the common cold to severe respiratory syndromes (MERS, SARS, and COVID-19). SARS-CoV-2, the cause of COVID-19, is a respiratory virus discovered in 2019. It is primarily transmitted to an individual through close contact with an infected person, during which infectious droplets spread to the environment. Symptoms of COVID-19 are highly variable, ranging from none to life-threatening illness.

The SARS-CoV-2 virus contains four structural proteins: spike (S), nucleocapsid (N), envelope (E), and membrane (M) protein. Responding to the infection, the human immune system raises specific antibodies, starting with IgA and IgM. The IgG antibodies represent a later matured response. Serological tests play only a supporting role in COVID-19 diagnosis. However, they are effective in assessing the immune response of an individuum or population.

Nucleocapsid protein (NP) encapsulates viral genomic RNA and forms a major component of the viral structure. NP is a highly antigenic epitope, which is highly conserved and does not change when the virus is mutated. In patients who have had COVID-19 infection, the anti-NP antibodies are usually measured at higher levels than antibodies to other SARS-CoV-2 proteins.

Technical data

  • Assay time: 40 min
  • Assay stability: 30 days on board stability / In use stability until the expiration date at storage temperature 2-8 °C
  • Sample matrix: Serum, Plasma
  • Sample volume: 10 μL
  • Sample stability: 7 days at 2-8 °C, 24 months at -20 °C
  • Measuring range: 5 – 100 U/ml
  • Complementary products: Anchor® Tips, Stackable Cuvette, KleeYa Trigger Pack, KleeYa Wash buffer
  • Note: The kits are CE-IVD certified and intended for professional use. Date of delivery on request.

Specifications

  • Catalog Number: CL-CoNM100
  • Size: 100 tests
  • Regulatory status: CE IVD
  • Clinical topic: COVID-19
  • Diagnostic panel: COVID-19 Respiratory Diseases
  • Producer: TestLine Clinical Diagnostics s.r.o.

References

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  • Wu F, Zhao S, Yu B, Chen YM, Wang W, Song ZG, Hu Y, Tao ZW, Tian JH, Pei YY, Yuan ML, Zhang YL, Dai FH, Liu Y, Wang QM, Zheng JJ, Xu L, Holmes EC, Zhang YZ. A new coronavirus associated with human respiratory disease in China. Nature. 2020 Mar;579(7798):265-269. doi: 10.1038/s41586-020-2008-3. Epub 2020 Feb 3. Erratum in: Nature. 2020 Apr;580(7803):E7. PMID: 32015508; PMCID: PMC7094943.
  • Zhou P, Yang XL, Wang XG, Hu B, Zhang L, Zhang W, Si HR, Zhu Y, Li B, Huang CL, Chen HD, Chen J, Luo Y, Guo H, Jiang RD, Liu MQ, Chen Y, Shen XR, Wang X, Zheng XS, Zhao K, Chen QJ, Deng F, Liu LL, Yan B, Zhan FX, Wang YY, Xiao GF, Shi ZL. A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020 Mar;579(7798):270-273. doi: 10.1038/s41586-020-2012-7. Epub 2020 Feb 3. PMID: 32015507; PMCID: PMC7095418.
  • Zou L, Ruan F, Huang M, Liang L, Huang H, Hong Z, Yu J, Kang M, Song Y, Xia J, Guo Q, Song T, He J, Yen HL, Peiris M, Wu J. SARS-CoV-2 Viral Load in Upper Respiratory Specimens of Infected Patients. N Engl J Med. 2020 Mar 19;382(12):1177-1179. doi: 10.1056/NEJMc2001737. Epub 2020 Feb 19. PMID: 32074444; PMCID: PMC7121626.
  • Burbelo PD, Riedo FX, Morishima C, Rawlings S, Smith D, Das S, Strich JR, Chertow DS, Davey RT, Cohen JI. Sensitivity in Detection of Antibodies to Nucleocapsid and Spike Proteins of Severe Acute Respiratory Syndrome Coronavirus 2 in Patients With Coronavirus Disease 2019. J Infect Dis. 2020 Jun 29;222(2):206-213. doi: 10.1093/infdis/jiaa273. PMID: 32427334; PMCID: PMC7313936.
  • Coronaviridae Study Group of the International Committee on Taxonomy of Viruses. The species Severe acute respiratory syndrome-related coronavirus: classifying 2019-nCoV and naming it SARS-CoV-2. Nat Microbiol. 2020 Apr;5(4):536-544. doi: 10.1038/s41564-020-0695-z. Epub 2020 Mar 2. PMID: 32123347; PMCID: PMC7095448.
  • Li Z, Yi Y, Luo X, Xiong N, Liu Y, Li S, Sun R, Wang Y, Hu B, Chen W, Zhang Y, Wang J, Huang B, Lin Y, Yang J, Cai W, Wang X, Cheng J, Chen Z, Sun K, Pan W, Zhan Z, Chen L, Ye F. Development and clinical application of a rapid IgM-IgG combined antibody test for SARS-CoV-2 infection diagnosis. J Med Virol. 2020 Sep;92(9):1518-1524. doi: 10.1002/jmv.25727. Epub 2020 Apr 13. PMID: 32104917; PMCID: PMC7228300.
  • Wölfel R, Corman VM, Guggemos W, Seilmaier M, Zange S, Müller MA, Niemeyer D, Jones TC, Vollmar P, Rothe C, Hoelscher M, Bleicker T, Brünink S, Schneider J, Ehmann R, Zwirglmaier K, Drosten C, Wendtner C. Virological assessment of hospitalized patients with COVID-2019. Nature. 2020 May;581(7809):465-469. doi: 10.1038/s41586-020-2196-x. Epub 2020 Apr 1. Erratum in: Nature. 2020 Dec;588(7839):E35. PMID: 32235945.
  • Reagent Cartridge with specific reagents for the assay
  • magnetic particles
  • calibrators
Documentation

Datasheets and regulatory documentation

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