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 (132,314)

Singleplex and Multiplex Bead Based Immunoassays (6,173)

ELISA Substrates and Reagents (2,367)

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2,881 – 2,895 of 138,242 results

2,881

Invitrogen™ Human TIMP-1 ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10%
Gene Symbol	TIMP1
Total Assay Time	4 hr 45 min
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	40 pg/mL
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	40-18000 pg/mL
Test Time	1 hr 20 min
Accession Number	P01033
Regulatory Status	RUO
Target	TIMP1
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	7076
Sample Type	Cell Lysates,Plasma,Serum,Supernatant,Tissue Homogenates
Label or Dye	Biotin

2,882

Invitrogen™ Human FLT-3L ELISA Kit

ELISA

Pricing & Availability
Specifications

Shipping Condition	Wet or Dry Ice
Protein Aliases	Flt3 ligand, Flt3L, SL cytokine
Immunoassay Kit Format	Sandwich ELISA Kit
Target Species	Human
Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10%
Gene Symbol	FLT3LG
Total Assay Time	4 hr 45 min
Assay Sensitivity	1.5 pg/mL
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	4.1-400 pg/mL
Test Time	1 hr 20 min
Accession Number	P49771
Regulatory Status	RUO
Target	FLT3LG
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
Gene Alias	FL; Flt 3 ligand; Flt3; Flt3 L; Flt3 ligand; Flt3l; Flt3lg; fms related receptor tyrosine kinase 3 ligand; fms related tyrosine kinase 3 ligand; FMS-like tyrosine kinase 3 ligand; fms-related tyrosine kinase 3; fms-related tyrosine kinase 3 ligand; H-FLT-3-L; Ly72L; M-FLT-3-L; NEWGENE_2322792; SL cytokineFL; Flt 3 ligand; Flt3; Flt3 L; Flt3 ligand; Flt3l; Flt3lg; fms related receptor tyrosine kinase 3 ligand; fms related tyrosine kinase 3 ligand; FMS-like tyrosine kinase 3 ligand; fms-related tyrosine kinase 3; fms-related tyrosine kinase 3 ligand; H-FLT-3-L; Ly72L; M-FLT-3-L; NEWGENE_2322792; SL cytokine; FL; FLT3L
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	2323
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin

2,883

Promotions Available

Invitrogen™ Rabbit IL-21 ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10%
Gene Symbol	IL21
Total Assay Time	4 hr 45 min
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	2.45 ng/mL
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	2.45-600 ng/mL
Test Time	1 hr 20 min
Accession Number	CVID11; C x 2; il 21; Il21; IL-21; ILN; Interleukin; interleukin 21; interleukin 21-like; Interleukin21; interleukin-21; interleukin-21 isoform; LOC100344172; porcine interleukin-21; Za11
Regulatory Status	RUO
Target	IL-21
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	100344172
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin

2,884

Invitrogen™ Human PDGFR beta ELISA Kit

ELISA

Pricing & Availability
Specifications

Protein Family	GPCR (G-Protein Coupled Receptors)
Immunoassay Kit Format	Sandwich ELISA Kit
Target Species	Human
Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10%
Gene Symbol	Pdgfrb
Total Assay Time	4 hr 45 min
Assay Sensitivity	25 pg/mL
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	24.69-18000 pg/mL
Test Time	1 hr 20 min
Accession Number	P09619
Regulatory Status	RUO
Target	PDGFRB (CD140b)
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
Gene Alias	AI528809; Beta platelet-derived growth factor receptor; beta-type platelet-derived growth factor receptor; CD140 antigen-like family member B; CD140B; CD140b antigen; IBGC4; IMF1; JTK12; KOGS; PDGF beta chain; PDGF Receptor beta; Pdgfr; Pdgfr1; PDGFR-1; PDGFRB; PDGF-R-beta; PDGFR-beta; PENTT; platelet derived growth factor receptor beta; platelet derived growth factor receptor, beta polypeptide; platelet-derived growth factor receptor 1; Platelet-derived growth factor receptor beta; platelet-derived growth factor receptor beta variant 1; Platelet-derived growth factor receptor, beta; platelet-derived growth factor receptor, beta polypeptideAI528809; Beta platelet-derived growth factor receptor; beta-type platelet-derived growth factor receptor; CD140 antigen-like family member B; CD140B; CD140b antigen; IBGC4; IMF1; JTK12; KOGS; PDGF beta chain; PDGF Receptor beta; Pdgfr; Pdgfr1; PDGFR-1; PDGFRB; PDGF-R-beta; PDGFR-beta; PENTT; platelet derived growth factor receptor beta; platelet derived growth factor receptor, beta polypeptide; platelet-derived growth factor receptor 1; Platelet-derived growth factor receptor beta; platelet-derived growth factor receptor beta variant 1; Platelet-derived growth factor receptor, beta; platelet-derived growth factor receptor, beta polypeptide; CD140B; IBGC4; IMF1; JTK12; KOGS; PDGFR; PDGFR-1; PDGFR1; PENTT
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	5159
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin

2,885

Invitrogen™ Porcine FGF-19 ELISA Kit

ELISA

Pricing & Availability

2,886

Invitrogen™ Rat TNF alpha ELISA Kit

ELISA

Pricing & Availability
Specifications

Content And Storage	Pre-coated plate(s), standard or calibrator, detector antibody, HRP conjugate, diluents, wash buffer, substrate(s), and stop solution. Store kit at 2-8°C. See product manual for detailed contents and storage conditions for maximum stability.

2,887

MP Biomedical™ T3 (Free) ChLIA Kit

Quantitative Chemiluminescence Immunoassay

Pricing & Availability
Specifications

Regulatory Status	FDA Exempt
Target Species	Human
Description	Intended for the measurement of Free Triiodothyronine (T3) in human serum.
Product Type	Kit and Assay
Sample Type	Serum
Sample Volume	50 μL
Storage Requirements	2°C to 8°C

2,888

Invitrogen™ Human Cathepsin K ELISA Kit

ELISA

Pricing & Availability
Specifications

Shipping Condition	Wet or Dry Ice
Immunoassay Kit Format	Sandwich ELISA Kit
Target Species	Human
Conjugate	HRP
Interassay CV	<10%
Intraassay CV	<10%
Gene Symbol	CTSK
Total Assay Time	3 hr 30 min
Assay Sensitivity	0.1 ng/mL
Storage Requirements	Refer to product documentation for component specific storage temperature.
Assay Range	0.16-10 ng/mL
Test Time	1 hr 20 min
Accession Number	P43235
Regulatory Status	RUO
Target	Cathepsin K
Kit Contents	Pre-coated 96 well plate, Standard, Biotinylated Detection Antibody, HRP Conjugate, Standard & Sample Diluent, Biotinylated Detection Antibody Diluent, HRP Conjugate Diluent, Wash Buffer, TMB Substrate, Stop Solution, Plate Sealer,Standard,Biotinylated Detection Antibody,HRP Conjugate,Standard & Sample Diluent,Biotinylated Detection Antibody Diluent,HRP Conjugate Diluent,Wash Buffer,TMB Substrate,Stop Solution,Plate Sealer
Gene Alias	AI323530; Cat K; cathepsin K; Cathepsin O; cathepsin O1; cathepsin O2; Cathepsin X; catK; CTS02; CTSK; CTSO; CTSO1; CTSO2; MGC23107; minisatellite 10q detected by probe MMS10; MMS10-Q; Ms10q; PKND; PYCDAI323530; Cat K; cathepsin K; Cathepsin O; cathepsin O1; cathepsin O2; Cathepsin X; catK; CTS02; CTSK; CTSO; CTSO1; CTSO2; MGC23107; minisatellite 10q detected by probe MMS10; MMS10-Q; Ms10q; PKND; PYCD;
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	1513
Sample Type	Plasma,Serum
Label or Dye	Biotin

2,889

Invitrogen™ Human ST3GAL1 ELISA Kit

ELISA

Pricing & Availability
Specifications

Shipping Condition	Wet or Dry Ice
Immunoassay Kit Format	Sandwich ELISA Kit
Target Species	Human
Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10%
Gene Symbol	ST3GAL1
Total Assay Time	4 hr 45 min
Assay Sensitivity	1.8 ng/mL
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	1.8-400 ng/mL
Test Time	1 hr 20 min
Accession Number	Q11201
Regulatory Status	RUO
Target	ST3GAL1
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
Gene Alias	5330418N22Rik; AI467004; Alpha 2,3-ST 1; alpha-2,3-sialyltransferase ST3Gal I-r1; alpha-2-3-sialyltransferase; beta-galactoside alpha-2,3-sialyltransferase 1; CMP-N-acetylneuraminate: [beta-galactosidase alpha-2,3] sialytransferase; CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1; Gal beta1,3 GalNAc alpha2,3 sialyltransferase; Gal-beta-1,3-GalNAc-alpha-2,3-sialyltransferase; Gal-NAc6S; MGC9183; putative alpha-2,3-sialyltransferase; Sialyltransferase 4A; sialyltransferase 4A (beta-galactosidase alpha-2,3-sialytransferase); sialyltransferase 4A (beta-galactoside alpha-2,3-sialyltransferase); sialyltransferase 4A (beta-galactoside alpha-2,3-sialytransferase); sialyltransferase ST3Gal-I; Siat4; SIAT4A; SIAT4-A; siat4-r1; SIATFL; ST3 beta-galactoside alpha-2,3-sialyltransferase 1; ST3Gal I; st3Gal I.1; ST3GAL1; St3gal-1; st3gal1A; st3gal1-r1; ST3GAL2; ST3GalA; ST3GalA.1; ST3GalI; ST3GAL-I sialyltransferase; ST3GalIA; ST3GalIA,1; ST3O5330418N22Rik; AI467004; Alpha 2,3-ST 1; alpha-2,3-sialyltransferase ST3Gal I-r1; alpha-2-3-sialyltransferase; beta-galactoside alpha-2,3-sialyltransferase 1; CMP-N-acetylneuraminate: [beta-galactosidase alpha-2,3] sialytransferase; CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1; Gal beta1,3 GalNAc alpha2,3 sialyltransferase; Gal-beta-1,3-GalNAc-alpha-2,3-sialyltransferase; Gal-NAc6S; MGC9183; putative alpha-2,3-sialyltransferase; Sialyltransferase 4A; sialyltransferase 4A (beta-galactosidase alpha-2,3-sialytransferase); sialyltransferase 4A (beta-galactoside alpha-2,3-sialyltransferase); sialyltransferase 4A (beta-galactoside alpha-2,3-sialytransferase); sialyltransferase ST3Gal-I; Siat4; SIAT4A; SIAT4-A; siat4-r1; SIATFL; ST3 beta-galactoside alpha-2,3-sialyltransferase 1; ST3Gal I; st3Gal I.1; ST3GAL1; St3gal-1; st3gal1A; st3gal1-r1; ST3GAL2; ST3GalA; ST3GalA.1; ST3GalI; ST3GAL-I sialyltransferase; ST3GalIA; ST3GalIA,1; ST3O;
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	6482
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin

2,890

Invitrogen™ Human DNMT3A ELISA Kit

ELISA

Pricing & Availability

2,891

Promotions Available

Invitrogen™ Human ECM-1 ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10%
Gene Symbol	ECM1
Total Assay Time	4 hr 45 min
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	24 pg/mL
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	24-6000 pg/mL
Test Time	1 hr 20 min
Accession Number	Q16610
Regulatory Status	RUO
Target	ECM1
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	1893
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin

2,892

Promotions Available

Invitrogen™ Human IL-28A ELISA Kit

ELISA

Pricing & Availability
Specifications

Protein Family	Other Proteins
Target Species	Human
Conjugate	HRP
Intraassay CV	<10%
Total Assay Time	4 hr 45 min
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 100 μL
Assay Sensitivity	15 pg/mL
Research Discipline	Virology
For Use With (Application)	ELISA, Protein Assays, Protein Biology, Cancer Biology, Immunology, Neuroscience, Neurobiology, Protein Detection, Protein Analysis
Test Time	1 hr 20 min
Assay	Solid-phase sandwich ELISA
Target	IL-28A
Specificity	This ELISA kit shows no cross-reactivity with any of the 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-10, IL-11, IL-12 p70, IL-12 p40, IL-13, IL-15, IL-16, IL-17, IL-18, IL-29, IL-309, IP-10, GCSF, GM-CSF, IFN-gamma, Leptin (OB), MCP-1, MCP-3, MDC, MIP-1 alpha, MIP-1 beta, MIP-1 delta, MMP-1, -2, -3, -10, PARC, 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,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Label or Dye	Biotin
Interassay CV	<12%
Gene Symbol	IFNL2
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	15-10000 pg/mL
Accession Number	Q8IZJ0
Regulatory Status	RUO
Product Type	ELISA
Gene ID (Entrez)	282616
Sample Type	Plasma,Serum,Supernatant
Synonym	IL-28 A, IL28A

2,893

Invitrogen™ Human IgM Uncoated ELISA Kit

ELISA

Pricing & Availability
Specifications

Immunoassay Kit Format	Uncoated ELISA Kit
Target Species	Human
Conjugate	HRP
Gene Symbol	IGHM
Total Assay Time	24 hr 30 min
Assay Sensitivity	15.6 ng/mL
Storage Requirements	2-8°C
Assay Range	15.6-1000 ng/mL
Test Time	1 hr 45 min
Accession Number	P01871
Regulatory Status	RUO
Target	Human IgM
Kit Contents	Capture Antibody: Pre-titrated, purified antibody, Detection Antibody: Pre-titrated, HRP-conjugated antibody, Standard: Human IgM for generating standard curve and calibrating samples, 10X Coating Buffer: Buffer for plating the Capture Antibody, 5X ELISA/ELISPOT Diluent: Buffer for blocking and diluting the Detection Antibody and Enzyme, Substrate: 1X TMB Solution, Certificate of Analysis: Lot-specific instructions for dilution of antibodies and standards, 96 Well Plate: High affinity 96-well plate (included with product Cat. Nos. ending in suffixes -22, -76, -86),Purified antibody,Detection Antibody: Pre-titrated,HRP-conjugated antibody,Standard: Human IgM for generating standard curve and calibrating samples,10X Coating Buffer: Buffer for plating the Capture Antibody,5X ELISA/ELISPOT Diluent: Buffer for blocking and diluting the Detection Antibody and Enzyme,Substrate: 1X TMB Solution,Certificate of Analysis: Lot-specific instructions for dilution of antibodies and standards,96 Well Plate: High affinity 96-well plate (included with product Cat. Nos. ending in suffixes -22, -76, -86)
Gene Alias	AGM1; IGHM; immunoglobulin heavy constant mu; MU; VHAGM1; IGHM; immunoglobulin heavy constant mu; MU; VH;
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	3507
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

2,894

Invitrogen™ Human IL-1 alpha ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Interassay CV	10%
Intraassay CV	5.4%
Gene Symbol	Il1a
Total Assay Time	3 hr 10 min
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL, Urine 50 μL
Assay Sensitivity	1.1 pg/mL
Storage Requirements	2-8°C
Assay Range	1.6-100 pg/mL
For Use With (Application)	ELISA
Test Time	1 hr 20 min
Accession Number	P01583
Regulatory Status	RUO
Target	IL-1 alpha
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,Standard,Sample Diluent,Assay Buffer concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	3552
Sample Type	Plasma,Serum,Supernatant,Urine
Label or Dye	Biotin
Synonym	Hematopoietin 1, IL1F1, Interleukin 1 alpha

2,895

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Invitrogen™ Human Nogo-B/RTN 4B ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10%
Gene Symbol	Rtn4
Total Assay Time	4 hr 45 min
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	13 pg/mL
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	13-3000 pg/mL
Test Time	1 hr 20 min
Accession Number	Q9NQC3
Regulatory Status	RUO
Target	Nogo-B
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	57142
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin

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