Immunoassays feature

Choose high-quality Invitrogen immunoassays for protein quantitation

Rely on our 30 years of experience manufacturing and supplying antibody-based, target-specific protein quantitation reagents, kits, and panels for life science research. These products, which are collectively called immunoassays, include matched antibody pairs, uncoated and coated-plate ELISA kits, and multiplexing assays for the Luminex platform. All are validated for reliability and specificity. Select from hundreds of ready-to-ship kits or configure and order a custom assay panel.

To find the best assay for your needs, choose from popular immunoassay categories below or contact our field application specialists (FAS), who can answer your questions and provide you with individualized immunoassay support, including information about new immunoassay technologies.

Illustration of SARS-CoV-2 virus

New SARS-CoV-2 Serology Assays

Rapidly detect antibodies (immunoglobulins, IgG and IgM) in serum against the SARS-CoV-2 coronavirus.

ELISA assay kit


Order now

This Human SARS-CoV-2 Spike (trimer) ELISA kit enables the detection of anti-SARS-CoV-2 Ig antibodies in human serum with great sensitivity and specificity.

ProcartaPlex Assay kit


Order now

This ProcartaPlex Human Coronavirus Ig Total 11-plex panel enables the detection of multiple anti-SARS-CoV-2 (Spike trimer, S1, RBD, N) Ig antibodies and 6 other coronavirus strains in human serum, helping to provide a more complete antibody profile.

Watch webinar

Watch this webinar presented by Dr. Douglas D. Fraser at Western University to learn how researchers are using this panel.

Graphical depiction of cytokine storm

Cytokine Storm Detection for SARS-CoV-2 Research

Measure cytokine profiles related to cytokine storm syndrome (CSS) or cytokine release syndrome (CRS) triggered by SARS-CoV-2 infections.

ELISA Kit for Cytokine Measurements
ProcartaPlex Cytokine Storm Panels


Starting a new research project? We offer a variety of services to help.
Shop antibodies

Select antibodies to build your own ELISA

We offer a variety of specific antibodies to help you.

Shop antibodies

Custom ELISA or ProQuantum immunoassay

Request bulk packaging, lot reservation or go custom

Contact us and we can help you with a variety of special requests to help you with the start of your next project.

Request a quote


Working with limited samples in your research?

The new generation in protein quantitation assays

ProQuantum Immunoassays: detect very low levels of proteins using as little as 1–5 μL of sample with an easy and simplified workflow. 

Learn how

Visistat reference component