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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![ELISA: Non-species specific Angiotensin I ELISA Kit (Colorimetric) [NBP2-62134] - Pooled human plasma was spiked with 500pg/ml of Angiotensin I, serially diluted 1:2, and run in the assay. Unspiked pooled plasma was processed identically as a background control.](http://images.novusbio.com/fullsize/Non-species-specific-Angiotensin-I-ELISA-Kit-Colorimetric-ELISA-NBP2-62134-img0002.jpg "ELISA: Non-species specific Angiotensin I ELISA Kit (Colorimetric) [NBP2-62134] - Pooled human plasma was spiked with 500pg/ml of Angiotensin I, serially diluted 1:2, and run in the assay. Unspiked pooled plasma was processed identically as a background control.")
![ELISA: Non-species specific Angiotensin I ELISA Kit (Colorimetric) [NBP2-62134] - A typical standard curve for Angiotensin I ELISA kit. 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/Non-species-specific-Angiotensin-I-ELISA-Kit-Colorimetric-ELISA-NBP2-62134-img0001.jpg)
![ELISA: Aldosterone ELISA Kit (Colorimetric) [KA1883] - 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/Aldosterone-ELISA-Kit-Colorimetric-ELISA-KA1883-img0001.jpg "ELISA: Aldosterone ELISA Kit (Colorimetric) [KA1883] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.")
![ELISA: TXB2 ELISA Kit [Alkaline Phosphatase] [KA0294] - Standard curve](http://images.novusbio.com/fullsize/TXB2-ELISA-Kit-[Alkaline-Phosphatase]-ELISA-KA0294-img0001.jpg "ELISA: TXB2 ELISA Kit [Alkaline Phosphatase] [KA0294] - Standard curve")
![ELISA: Paraquat ELISA Kit [HRP] [KA1424] - Paraquat Inhibition curve](http://images.novusbio.com/fullsize/Paraquat-ELISA-Kit-[HRP]-ELISA-KA1424-img0001.jpg "ELISA: Paraquat ELISA Kit [HRP] [KA1424] - Paraquat Inhibition curve")
![ELISA: Complement C5 ELISA Kit [Biotin] [KA2114] - The standard curve is for the purpose of illustration only and should not be used to calculate unknowns. A standard curve should be generated each time the assay is performed.](http://images.novusbio.com/fullsize/Complement-C5-ELISA-Kit-[Biotin]-ELISA-KA2114-img0001.jpg "ELISA: Complement C5 ELISA Kit [Biotin] [KA2114] - The standard curve is for the purpose of illustration only and should not be used to calculate unknowns. A standard curve should be generated each time the assay is performed.")
![ELISA: 1,25-dihydroxyvitamin D3 (DVD/DHVD3) ELISA Kit (Colorimetric) [NBP2-82432] - Samples were spiked with high concentrations of 1,25-dihydroxyvitamin D3 (DVD/DHVD3) and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp2-82432_1-25-dihydroxyvitamin-d3-dvd-dhvd3-elisa-kit-color-132202416232329.jpg "ELISA: 1,25-dihydroxyvitamin D3 (DVD/DHVD3) ELISA Kit (Colorimetric) [NBP2-82432] - Samples were spiked with high concentrations of 1,25-dihydroxyvitamin D3 (DVD/DHVD3) and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: 1,25-dihydroxyvitamin D3 (DVD/DHVD3) ELISA Kit (Colorimetric) [NBP2-82432] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-82432_1-25-dihydroxyvitamin-d3-dvd-dhvd3-elisa-kit-color-432024983563.jpg)
![ELISA: 3-Nitrotyrosine ELISA Kit (Colorimetric) [NBP2-66363] - Samples were spiked with high concentrations of 3-Nitrotyrosine and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp2-66363_3-nitrotyrosine-elisa-kit-colorimetric-132202416211333.jpg "ELISA: 3-Nitrotyrosine ELISA Kit (Colorimetric) [NBP2-66363] - Samples were spiked with high concentrations of 3-Nitrotyrosine and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: 3-Nitrotyrosine ELISA Kit (Colorimetric) [NBP2-66363] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-66363_3-nitrotyrosine-elisa-kit-colorimetric-4320249141621.jpg)
![ELISA: Prostaglandin J2/PGJ2 ELISA Kit (Colorimetric) [NBP2-64614] - Samples were spiked with high concentrations of Prostaglandin J2/PGJ2 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp2-64614_prostaglandin-j2-pgj2-elisa-kit-colorimetric-132202416173455.jpg "ELISA: Prostaglandin J2/PGJ2 ELISA Kit (Colorimetric) [NBP2-64614] - Samples were spiked with high concentrations of Prostaglandin J2/PGJ2 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: Prostaglandin J2/PGJ2 ELISA Kit (Colorimetric) [NBP2-64614] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-64614_prostaglandin-j2-pgj2-elisa-kit-colorimetric-432024915862.jpg)
![ELISA: DHT ELISA Kit (Colorimetric) [NBP2-67999] - Samples were spiked with high concentrations of DHT and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp2-67999_dht-elisa-kit-colorimetric-132202416221077.jpg "ELISA: DHT ELISA Kit (Colorimetric) [NBP2-67999] - Samples were spiked with high concentrations of DHT and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: DHT ELISA Kit (Colorimetric) [NBP2-67999] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-67999_dht-elisa-kit-colorimetric-43202490352.jpg)