Human IL-4 ELISA Kit

For detection and measurement of human interleukin 4

Human IL-4 ELISA Kit

For detection and measurement of human interleukin 4

From: 965 USD
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For detection and measurement of human interleukin 4
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What's Included

  • Human IL-4 ELISA Kit, 2 plates (Catalog #02008)
    • Human IL-4 ELISA Plate, 2x
    • Human IL-4 Standard, 1 vial
    • Human IL-4 Biotinylated Detection Antibody, 30 µL
    • SA-HRP, 30 µL
    • Standard Reconstitution Buffer B, 1 mL
    • Wash Buffer (20X), 120 mL
    • ELISA Diluent, 120 mL
    • SA-HRP Diluent, 25 mL
    • TMB Substrate, 25 mL
    • Stop Solution, 25 mL
    • Adhesive Plate Covers, 6x
 
  • Human IL-4 ELISA Kit, 10 plates (Catalog #02009)
    • Human IL-4 ELISA Plate, 10x
    • Human IL-4 Standard, 1 vial
    • Human IL-4 Biotinylated Detection Antibody, 130 µL
    • SA-HRP, 130 µL
    • Standard Reconstitution Buffer B, 1 mL
    • Wash Buffer (20X), 5 x 120 mL
    • ELISA Diluent, 3 x 120 mL
    • SA-HRP Diluent, 120 mL
    • TMB Substrate, 120 mL
    • Stop Solution, 120 mL
    • Adhesive Plate Covers, 30x

Overview

The Human Interleukin 4 (IL-4) ELISA Kit is designed for the quantitative detection and measurement of human IL-4 in biological fluids such as serum, plasma, and cell culture supernatants. IL-4 is produced by Th2 cells, NK cells, γ/δ T cells, eosinophils, mast cells, and activated basophils. IL-4 induces Ig isotype switching in B cells, regulates the differentiation of naïve T cells into Th2 cells, and in conjunction with TNF, recruits T cells and eosinophils to sites of inflammation.

The assay is based on the sandwich ELISA method, in which samples are added to ELISA strip plates pre-coated with capture antibodies specific for the cytokine. The captured cytokine is detected by addition of a biotinylated detection antibody, followed by streptavidin-horseradish peroxidase, which binds the biotinylated antibody. Addition of the chromogenic enzyme substrate 3,3’,5,5’ tetramethylbenzidine (TMB) results in a colored product with an intensity directly proportional to the concentration of cytokine in the sample. The concentration of the cytokine is determined by comparison to a serial dilution of the cytokine standard analyzed in parallel.
Subtype
Complete Kits
Cell Type
Granulocytes and Subsets, NK Cells, T Cells, Other Subsets
Species
Human
Application
ELISA
Area of Interest
Immunology

Data Figures

Representative Standard Curve

• Reportable range: 10 - 1000 pg/mL. This is the concentration range in which measurement of the analyte can be done with the highest precision, accuracy, and linearity.
• Sensitivity: The limit of detection of this assay is 5 pg/mL. This is the analyte concentration with absorbance two standard deviations higher than the zero standard.
• Accuracy: The analyte standard of this ELISA was calibrated against NIBSC* international standard 88/656.
• Recovery: A mid-curve recovery of 94 - 107% was determined by spiking defined amounts of analyte standard into serum or plasma samples in repeated experiments.
• Precision: The intra-assay precision of this assay is 3.5% (CV). The inter-assay precision of this assay is 7.3% (CV).

*National Institute of Biological Standards and Control, Potters Bar, Hertfordshire EN6 3QG, UK.

Protocols and Documentation

Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.

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Safety Data Sheet 1
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Document Type
Safety Data Sheet 1
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English

Applications

This product is designed for use in the following research area(s) as part of the highlighted workflow stage(s). Explore these workflows to learn more about the other products we offer to support each research area.

Resources and Publications

Educational Materials (2)