ELISA Kits
ELISA (Enzyme linked immunosorbent assay) Kits are ideal for the quantification of target antigens in tissue extracts, serum, and cell culture. We offer the most published, highly rated, and trusted R&D Systems ELISA Kits on the market, known for their superior quality, high sensitivity, and reproducibility. Novus has Quantikine ELISA Kits for measuring intra- and extracellular proteins, in addition to DuoSet ELISA Kits which contain matched antibody pairs and provide design flexibility. Our ELISA Kits are available in a range of assay formats including indirect, sandwich, and competitive ELISAs and, depending on your research needs, are suitable for either colorimetric or chemiluminescent detection. Browse our catalog of 5000+ ELISA Kits by searching for specific proteins or targets, species reactivity, kit types, reviews, and publications to choose the best product to meet your research goals.
Alternate Names for ELISA Kits
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![N/A Nectin-2/CD112 [Biotin]](http://images.novusbio.com/fullsize2/dy2229-05_human-nectin-2-cd112-duoset-elisa-5-plate-2522022102954.jpg "N/A Nectin-2/CD112 [Biotin]")
![N/A IL-4 [Biotin]](http://images.novusbio.com/fullsize2/IL4_DY1577_ELISA_2732.jpg "N/A IL-4 [Biotin]")
![ELISA: Melatonin ELISA Kit (Colorimetric) [NBP2-62160] - Standard Reference Curve](http://images.novusbio.com/fullsize/Melatonin-ELISA-Kit-Colorimetric-ELISA-NBP2-62160-img0001.jpg "ELISA: Melatonin ELISA Kit (Colorimetric) [NBP2-62160] - Standard Reference Curve")
![ELISA: Melatonin ELISA Kit (Colorimetric) [NBP2-62160] - To assess parallelism, human serum and EDTA plasma samples,human saliva, porcine along with other matrix samples wereserially diluted in 1X Stabilizer. The samples were then run in theassay. The melatonin concentration in each sample wasdetermined from the standard curve. Concentrations were plottedas a function of sample dilution. Parallelism of the curvesdemonstrates that the standard binding characteristics are similarenough to allow the accurate determination of native melatoninlevels in diluted samples matrices of animal and plant origin.](http://images.novusbio.com/fullsize/Melatonin-ELISA-Kit-Colorimetric-ELISA-NBP2-62160-img0002.jpg)
![ELISA: Luteinizing Hormone ELISA Kit (Colorimetric) [NBP2-61257] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.](http://images.novusbio.com/fullsize/Luteinizing-Hormone-ELISA-Kit-Colorimetric-ELISA-NBP2-61257-img0001.jpg "ELISA: Luteinizing Hormone ELISA Kit (Colorimetric) [NBP2-61257] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.")
![ELISA: Universal 4-Hydroxynonenal ELISA Kit (Colorimetric) [NBP2-66364] - Samples were spiked with high concentrations of 4-Hydroxynonenal and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp2-66364_universal-4-hydroxynonenal-elisa-kit-colorimetric-132202416121317.jpg "ELISA: Universal 4-Hydroxynonenal ELISA Kit (Colorimetric) [NBP2-66364] - Samples were spiked with high concentrations of 4-Hydroxynonenal and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: Universal 4-Hydroxynonenal ELISA Kit (Colorimetric) [NBP2-66364] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-66364_universal-4-hydroxynonenal-elisa-kit-colorimetric-4320249192821.jpg)
![ELISA: ADMA ELISA Kit (Colorimetric) [NBP2-66728] - Samples were spiked with high concentrations of ADMA and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp2-66728_adma-elisa-kit-colorimetric-13220241613067.jpg "ELISA: ADMA ELISA Kit (Colorimetric) [NBP2-66728] - Samples were spiked with high concentrations of ADMA and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: ADMA ELISA Kit (Colorimetric) [NBP2-66728] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-66728_adma-elisa-kit-colorimetric-4320249202618.jpg)
![ELISA: Bilirubin ELISA Kit (Colorimetric) [NBP2-69939] - Samples were spiked with high concentrations of Bilirubin and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp2-69939_bilirubin-elisa-kit-colorimetric-13220241685387.jpg "ELISA: Bilirubin ELISA Kit (Colorimetric) [NBP2-69939] - Samples were spiked with high concentrations of Bilirubin and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: Bilirubin ELISA Kit (Colorimetric) [NBP2-69939] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-69939_bilirubin-elisa-kit-colorimetric-4320249202628.jpg)
![N/A Buffers, Chelators and Reagents [Unconjugated]](http://images.novusbio.com/fullsize2/General_Laboratory_Research_Reagent_DY004_ELISA_2598.jpg "N/A Buffers, Chelators and Reagents [Unconjugated]")