COVID-19 Spike Protein Array

Suitable for the semi-quantitative detection of IgM or IgG antibodies in serum or plasma to the SARS-CoV-2 (COVID-19) spike (S) protein. 1 slide has 16 wells, which can be used to analyze 16 IgM samples, 16 IgG samples, or 8 IgM + 8 IgG samples.


Antigen Information

Accession Number:
  • QHD43416
Protein Name & Synonyms:
Spike protein (S-Protein)

Assay Format

Species Detected:
  • Virus
Compatible Sample Types:
  • Plasma
  • Serum
Method of Detection:
Fluorescence Laser Scanner
  • Semi-Quantitative
Solid Support:
Glass Slide

Product Specifications

1, 2, or 4 Slide Kit

Targets Detected

Number of Peptides Detected
14 peptides
Number of Proteins Detected
3 (S protein S1 receptor binding domain, S protein S2 subunit, full-length N protein)

Application Notes

  • Vaccine development: Identify IgG and IgM antibody responses to COVID-19
  • In vitro diagnostics research: Identify and characterize immunodominant epitopes
  • Epitope profiling: Profile epitope-specific antibody responses against the spike protein
  • Determination of interaction between spiking protein and other molecules


Upon receipt, all components of the RayBio® Array kit should be stored at -20 °C to -80 °C until just before the experiment. At -20 °C to -80 °C the kit will retain complete activity for up to 6 months. Please use within six months of purchase. Once thawed, the array glass slide and Blocking Buffer should be kept at -20 °C and all other component should be stored at 4 °C. Use within three months after reagents have been thawed.

No posts found

Write A Review
U.S. Non-U.S.


This product is furnished for LABORATORY RESEARCH USE ONLY.
Not for diagnostic or therapeutic use.