Human IL-4 ELISA Kit is a single-wash 90-min Simplestep used to quantify Human IL-4 with a sensitivity of 1.08 pg/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step.
- Colorimetric Sandwich ELISA - 450 nm readout : works on any standard plate reader
- Design your own immunoassay: we also offer the conjugation-ready antibody pair
- Cited in over 20 citations
查看别名
Interleukin-4, IL-4, B-cell stimulatory factor 1, Binetrakin, Lymphocyte stimulatory factor 1, Pitrakinra, BSF-1, IL4
- ELISA
Supplier Data
ELISA - Human IL-4 ELISA Kit (AB215089)
- sELISA
Supplier Data
Sandwich ELISA - Human IL-4 ELISA Kit (AB215089)
Comparison of IL-4 in unstimulated and PHA-M stimulated human PBMC cell supernatants.
Human PBMC cells were cultured in the absence or presence of 1.5% PHA-M for 46 hours. The concentrations of Il-4 were measured in neat supernatant samples in duplicates and interpolated from the IL-4 standard curve. The interpolated values are plotted (mean +/- SD, n=2). The mean IL-4 concentration was determined to be 174.6 pg/mL in PHA-M stimulated PBMC cell supernatant, 1.4 pg/mL in unstimulated supernatants and undetectable in media (not shown).
- sELISA
Supplier Data
Sandwich ELISA - Human IL-4 ELISA Kit (AB215089)
Interpolated concentrations of native IL-4 in PHA-M stimulated human PBMC cell culture supernatant samples.
The concentrations of IL-4 were measured in duplicates, interpolated from the IL-4 standard curves and corrected for sample dilution. Undiluted samples are as follows : stimulated human PBMC cell culture supernatant 100%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean IL-4 concentration was determined to be 174.6 pg/mL in stimulated human PBMC cell culture supernatant.
- sELISA
Supplier Data
Sandwich ELISA - Human IL-4 ELISA Kit (AB215089)
Example of human IL-4 standard curve in Sample Diluent 75BS.
Background-subtracted data values (mean +/- SD) are graphed.
- sELISA
Supplier Data
Sandwich ELISA - Human IL-4 ELISA Kit (AB215089)
Interpolated concentrations of spike recombinant IL-4 in serum and plasma samples.
The concentrations of IL-4 were measured in duplicates, interpolated from the IL-4 standard curves and corrected for sample dilution. Undiluted samples are as follows : serum 100%, plasma citrate 100%, plasma EDTA 100%, plasma heparin 100%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2).
- sELISA
Unknown
Sandwich ELISA - Human IL-4 ELISA Kit (AB215089)
Human IL-4 standard curve comparison data.
Standard curve comparison between human IL-4 SimpleStep ELISA® kit and traditional ELISA kit from leading competitor. SimpleStep ELISA kit shows a 8-fold increase in sensitivity.
- sELISA
Supplier Data
Sandwich ELISA - Human IL-4 ELISA Kit (AB215089)
Example of human IL-4 standard curve in Sample Diluent NS.
Background-subtracted data values (mean +/- SD) are graphed.
反应性数据
产品详情
Human IL-4 ELISA Kit ab215089 is a rapid single-wash 90-min Sandwich ELISA to measure Human IL-4 in cell culture supernatant, citrate plasma, EDTA plasma, heparin plasma, plasma, serum. This SimpleStep sensitivity is 1.08 pg/mL.
How the assay works
Human IL-4 SimpleStep ELISA®employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details.
Assay Specificity
Our SimpleStep ELISA® kits use recombinant monoclonal antibodies rigorously validated to ensure the highest level of consistency and reproducibility, improved sensitivity and specificity and ease of scalability and security of supply.
Please refer to our protocol booklet for more details.
Human IL-4 ELISA Kit ab215089 protocol summary
1. Mix: add samples/standards to the wells together with the capture and detector antibody cocktail. Incubate 1 hr at room temperature
2. Wash
3. Add TMB development solution - incubate for 10 min
4. Add Stop solution
5. Read the results on a plate reader at 450 nm
Design your own immunoassay
We offer the antibody pair used in this kit in a BSA and Azide-free format, ready for conjugation:
- Anti-IL-4 antibody [EPR19760-240] - BSA and Azide free (Capture) ab242991
- Anti-IL-4 antibody [EPR19760-17] - BSA and Azide free (Detector) ab242991
IL-4 is a 129 amino acids long secreted protein. IL-4 is a cytokine produced mostly by activated T lymphocytes, mast cells and basophils. It has variety of immune response modulating functions by acting on number of cell types. IL-4 participates in several B-cell activation processes. It is a co-stimulator of DNA-synthesis. It induces the expression of class II MHC molecules on resting B-cells. It enhances both secretion and cell surface expression of IgE and IgG1. It also regulates the expression of the low affinity Fc receptor for IgE (CD23) on both lymphocytes and monocytes. IL-4 positively regulates IL31RA expression in macrophages.
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