Immunoassay Reagents and Kits

Kits, substrates, and reagents for a variety of immunoassay procedures, including ELISA, singleplex immunoassays, and multiplex immunoassays, that are ideal for the quantification of target antigens; substrates available in colorimetric, chemiluminescent, or chemifluorescent varieties.

We offer a variety of products for enzyme-linked immunosorbent assays (ELISA or EIA) including plates, reagents, and kits to help you detect and quantify peptides, proteins, antibodies, and hormones.

ELISA is an analytical method based on the highly specific interaction between an antigen and an antibody. For this assay, an antigen is attached to a solid surface, to which an antibody-enzyme complex is linked. When a substrate is added and incubated with the other materials, it produces a measurable product.

Life Science Research ELISA Kits (84,769)

Singleplex and Multiplex Bead Based Immunoassays (5,730)

ELISA Substrates and Reagents (2,182)

2,911 – 2,925 of 90,200 results

2,911

Novus Biologicals™ Human OAS2 - Ready-To-Use ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,912

Novus Biologicals™ Human OASL ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,913

Novus Biologicals™ Human PAUF/ZG16B - Ready-To-Use ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,914

Invitrogen™ Human FasL (Soluble) ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Interassay CV	7%
Intraassay CV	6.1%
Gene Symbol	Faslg
Total Assay Time	3 hr 10 min
Sample Volume	Amniotic Fluid 50 μL, Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	0.07 ng/mL
Storage Requirements	2-8°C
Assay Range	0.16-10.0 ng/mL
For Use With (Application)	ELISA
Test Time	1 hr 20 min
Accession Number	P48023
Regulatory Status	RUO
Target	Fas Ligand (CD178)
Kit Contents	Pre-coated 96 well plate, Standard, Sample Diluent, Assay Buffer concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Controls, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Sample Diluent,Assay Buffer concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Controls,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	356
Sample Type	Amniotic Fluid,Plasma,Serum,Supernatant
Label or Dye	Biotin
Synonym	CD178, CD95L protein, Apoptosis antigen ligand

2,915

R&D Systems™ Human Resistin Quantikine ELISA Kit

Human Resistin Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Pricing & Availability
Specifications

Specificity	Natural and Recombinant Human Resistin
Target Species	Human
Conjugate	HRP
Product Type	Solid Phase Sandwich ELISA
Gene ID (Entrez)	56729
Sample Type	Cell Culture Supernatant,Plasma (EDTA),Plasma (Heparin),Serum
Sample Volume	Cell Culture Supernates (100uL),Serum (20uL),EDTA Plasma (20uL),Heparin Plasma (20uL)
Synonym	Adipose tissue-specific secretory factor, ADSF, ADSFMGC126609, C/EBP-epsilon regulated myeloid-specific secreted cysteine-rich proteinprecursor 1, C/EBP-epsilon-regulated myeloid-specific secreted cysteine-rich protein, Cysteine-rich secreted protein A12-alpha-like 2, Cysteine-rich secreted protein FIZZ3, FIZZ3, FIZZ3MGC126603, found in inflammatory zone 3, HXCP1, resistin, RETN, RETN1, RSTNXCP1
Assay Sensitivity	0.055ng/mL
Storage Requirements	Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range	0.16 - 10ng/mL
For Use With (Application)	ELISA
Cross Reactivity	<50% cross-species reactivity observed with species tested. <0.5% cross-reactivity observed with available related molecules.

2,916

Novus Biologicals™ Human Anillin - Ready-To-Use ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,917

Novus Biologicals™ Human DOCK3 - Ready-To-Use ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,918

Promotions Available

Invitrogen™ Human TSP-4 ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10
Gene Symbol	THBS4
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	0.1 ng/mL
Storage Requirements	2°C to 8°C
Assay Range	0.1 to 25 ng/mL
Test Time	1 hrs 20 mins
Accession Number	THBS4; thrombospondin 4; thrombospondin-4; TSP4; TSP-4
Regulatory Status	RUO
Target	Thrombospondin 4
Kit Contents	Pre-coated 96 well plate,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	7060
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

2,919

R&D Systems™ Human TNF RII/TNFRSF1B Quantikine ELISA Kit

Human sTNF RII/TNFRSF1B Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Pricing & Availability
Specifications

Specificity	Natural and Recombinant Human sTNF RII
Target Species	Human
Conjugate	HRP
Product Type	Solid Phase Sandwich ELISA
Gene ID (Entrez)	7133
Sample Type	Cell Culture Supernatant,Plasma (EDTA, Citrate, Heparin),Serum,Urine
Sample Volume	Cell Culture Supernates (200uL),Serum (20uL),EDTA Plasma (20uL),Heparin Plasma (20uL),Citrate Plasma (20uL),Urine (20uL)
Synonym	CD120b, CD120b antigen, Etanercept, p75 TNF receptor, p75TBPII, p75TNFR, soluble TNFR1B variant 1, TNFBRp80 TNF-alpha receptor, TNF-R2, TNFR2TNFR1B, TNF-R75, TNFR80, TNFRII, TNF-RII, TNF-R-II, TNFR-II, TNFRSF1B, tumor necrosis factor beta receptor, tumor necrosis factor binding protein 2, Tumor necrosis factor receptor 2, tumor necrosis factor receptor superfamily member 1 B, tumor necrosis factor receptor superfamily, member 1 B, Tumor necrosis factor receptor type II
Assay Sensitivity	2.3pg/mL
Storage Requirements	Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range	7.80 - 500pg/mL
For Use With (Application)	ELISA
Cross Reactivity	<50% cross-species reactivity observed with species tested. <0.5% cross-reactivity observed with available related molecules.

2,920

Invitrogen™ Human MCP-1 Instant ELISA™ Kit

ELISA

Pricing & Availability

2,921

Invitrogen™ Human GM-CSF Instant ELISA™ Kit

ELISA

Pricing & Availability

2,922

Invitrogen™ Human IL-1 beta ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Interassay CV	8.6%
Intraassay CV	5.1
Gene Symbol	IL-1,IL1-BETA,IL1F2
Total Assay Time	3 hrs 10 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL, Urine 50 μL
Assay Sensitivity	0.3 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	3.9 to 250 pg/mL
For Use With (Application)	ELISA
Test Time	1 hrs 20 mins
Accession Number	P01584
Regulatory Status	RUO
Target	IL-1 beta
Kit Contents	Pre-coated 96 well plate,Standard,Sample Diluent,Assay Buffer concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Controls,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	3553
Sample Type	Plasma,Serum,Supernatant,Urine
Label or Dye	HRP
Synonym	Catabolin, Interleukin-1 beta, IL1F2

2,923

Invitrogen™ Rat IL-1 beta ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Rat
Conjugate	HRP
Interassay CV	10%
Intraassay CV	10
Gene Symbol	Il1b
Total Assay Time	3 hrs 10 mins
Sample Volume	Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	4.0 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	31.3 to 2,000 pg/mL
For Use With (Application)	ELISA
Test Time	1 hrs 20 mins
Accession Number	Q63264
Regulatory Status	RUO
Target	IL-1 beta
Kit Contents	Pre-coated 96 well plate,Standard,Sample Diluent,Assay Buffer concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	24494
Sample Type	Serum,Supernatant
Label or Dye	HRP
Synonym	Catabolin, Interleukin-1 beta, IL1F2

2,924

Promotions Available

Invitrogen™ Human DKK1 ELISA Kit

ELISA

Pricing & Availability
Specifications

Protein Family	Other Proteins
Target Species	Human
Conjugate	HRP
Intraassay CV	<10
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 100 μL
Assay Sensitivity	100 pg/mL
Research Discipline	Signal Transduction
For Use With (Application)	ELISA, Protein Assays, Protein Biology, Cancer Biology, Immunology, Neuroscience, Neurobiology, Protein Detection, Protein Analysis
Test Time	1 hrs 20 mins
Assay	Solid-phase sandwich ELISA
Target	DKK1
Specificity	This ELISA kit shows no cross-reactivity with the following cytokines tested: human Angiogenin, BDNF, BLC, ENA-78, FGF- 4, IL-1 alpha, IL-1 beta, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-11, IL-12 p70, IL-12 p40, IL-13, IL-15, IL-309, IP-10, G-CSF, GM-CSF, IFN-gamma, Leptin (OB), MCP-1, MCP-2, MCP-3, MDC, MIP-1 alpha, MIP-1 beta, MIP-1 delta, PARC, PDGF, RANTES, SCF, TARC, TGF-beta, TIMP-1, TIMP-2, TNF-alpha, TNF-beta, TPO, VEGF.
Kit Contents	Pre-coated 96 well plate,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Colorimetric Microplate Reader
Label or Dye	HRP
Interassay CV	<12%
Gene Symbol	DKK-1,SK
Storage Requirements	2°C to 8°C
Assay Range	122.9 to 30,000 pg/mL
Accession Number	O94907
Regulatory Status	RUO
Product Type	ELISA
Gene ID (Entrez)	22943
Sample Type	Plasma,Serum,Supernatant
Synonym	UNQ492/PRO1008, DKK-1, SK

2,925

Invitrogen™ Galactose Colorimetric Detection Kit

Assay Galactose levels in Serum, Plasma, Buffers and Tissue Culture Media.

Pricing & Availability
Specifications

Shipping Condition	Approved for shipment on Wet or Dry Ice
Immunoassay Kit Format	Colorimetric Detection Kit
Content And Storage	96-well plate(s), standard, other assay specific reagents, buffers, and lot-specific technical data sheet. Store at –20°C.
For Use With (Equipment)	Microplate Reader
Product Type	Galactose Colorimetric Detection Kit
Gene ID (Entrez)	Non-Gene
Sample Type	Plasma,Serum
Gene Symbol	Non-Gene
Target Kit Named	Galactose
Detection Method	Colorimetric

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Novus Biologicals™ Human OAS2 - Ready-To-Use ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Human OASL ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Human PAUF/ZG16B - Ready-To-Use ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Human Anillin - Ready-To-Use ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Human DOCK3 - Ready-To-Use ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Human OAS2 - Ready-To-Use ELISA Kit (Colorimetric)

Novus Biologicals™ Human OASL ELISA Kit (Colorimetric)

Novus Biologicals™ Human PAUF/ZG16B - Ready-To-Use ELISA Kit (Colorimetric)

Novus Biologicals™ Human Anillin - Ready-To-Use ELISA Kit (Colorimetric)

Novus Biologicals™ Human DOCK3 - Ready-To-Use ELISA Kit (Colorimetric)