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 (84,755)

Singleplex and Multiplex Bead Based Immunoassays (5,725)

ELISA Substrates and Reagents (2,185)

2,731 – 2,745 of 90,181 results

2,731

Novus Biologicals™ Mouse LXR alpha/NR1H3 ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,732

Novus Biologicals™ Goat IL-12/IL-35 p35 ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,733

Promotions Available

Invitrogen™ Human Thioredoxin-1 ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10
Gene Symbol	TXN
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	0.2 ng/mL
Storage Requirements	2°C to 8°C
Assay Range	0.2 to 50 ng/mL
Test Time	1 hrs 20 mins
Accession Number	ADF; ATL-derived factor; AW550880; DKFZp686B1993; MGC61975; RP11-427L11.1; SASP; surface-associated sulphydryl protein; testicular tissue protein Li 199; thioredoxin; thioredoxin 1; thioredoxin delta 3; TRDX; TRX; TRX1; Txn; TXN delta 3; Txn1
Regulatory Status	RUO
Target	Thioredoxin 1
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)	7295
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

2,734

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

2,735

Promotions Available

Invitrogen™ Mouse Pentraxin-3/TSG-14 ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10
Gene Symbol	PTX3
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	0.6 ng/mL
Storage Requirements	2°C to 8°C
Assay Range	0.614 to 150 ng/mL
Test Time	1 hrs 20 mins
Accession Number	AI607804; long pentraxin 3; pentaxin related; pentaxin-related protein PT x 3; pentraxin 3; pentraxin 3, long; pentraxin related; pentraxin related gene; pentraxin-related protein PT x 3; Pt x 3; TNF alpha-induced protein 5; TNFAIP5; TSG14; TSG-14; Tumor necrosis factor alpha-induced protein 5; Tumor necrosis factor-inducible gene 14 protein; tumor necrosis factor-inducible protein TSG-14
Regulatory Status	RUO
Target	PTX3
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)	19288
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

2,736

Promotions Available

Invitrogen™ Bovine IL-17A ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10
Gene Symbol	IL17A
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	2 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	2.05 to 500 pg/mL
Test Time	1 hrs 20 mins
Accession Number	CTLA8; Ctla-8; cytokine; cytotoxic T-lymphocyte-associated antigen 8; cytotoxic T-lymphocyte-associated protein 8; il 17; Il17; IL-17; Il17a; IL-17 A; ILN; Interleukin; interleukin 17; Interleukin 17 (cytotoxic T-lymphocyte-associated serine esterase 8); interleukin 17 precursor; interleukin 17 A; interleukin 17 A-like; interleukin-17; Interleukin17A; interleukin-17 A; LOC100339322; R-IL-17-A
Regulatory Status	RUO
Target	IL-17 A
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)	282863
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

2,737

Novus Biologicals™ ECM-1/Secretory Component P85 Antibody Pair [HRP]

Monoclonal Antibody Pair

Pricing & Availability
Specifications

Immunoassay Kit Format	Sandwich ELISA Kit
Host Species	Rabbit/Mouse
Target Species	Human
Conjugate	HRP
Gene Symbol	ECM1
Assay Sensitivity	39.06-2500 pg/mL
Storage Requirements	Storage is content dependent.
Research Discipline	Extracellular Matrix, Immunology
Assay Range	39.06 pg/mL
For Use With (Application)	Sandwich ELISA
Assay	Sandwich ELISA
Regulatory Status	RUO
Target	ECM-1/Secretory Component P85
Specificity	This solid phase sandwich ELISA utilizes a monoclonal antibody specific for Human ECM-1/Secretory Component P85.
Gene Alias	ECM1, extracellular matrix protein 1, Secretory Component Glycoprotein, Secretory component p85
Product Type	Antibody Pairs
Gene ID (Entrez)	1893

2,738

Promotions Available

Invitrogen™ Mouse TNFSF4 (OX40L) ELISA Kit

ELISA

Pricing & Availability
Specifications

Protein Family	Cytokines & Receptors
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	30 pg/mL
Research Discipline	Inflammation
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	OX40L (CD252)
Specificity	This ELISA pair antibody detects mouse TNFSF4/OX40 Ligand and on cross reactivity with rmBAFF, rmEDA, rmGITR Ligand, rmFas Ligand, rmLIGHT, rmTWEAK, rhAPRIL, or rhTNFSF4.
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
Sufficient For	96 assays
Calibration Range	30 pg/mL to 8000 pg/mL
Interassay CV	<12%
Gene Symbol	Ath-1,Ath1,CD134L,OX-40 L,O x 40 L,TXGP1,Tnlg2b,Txgp1l,gp34
Storage Requirements	2°C to 8°C
Assay Range	32.77 to 8000 pg/mL
Accession Number	P43488
Regulatory Status	RUO
Product Type	ELISA
Gene ID (Entrez)	22164
Sample Type	Plasma,Serum,Supernatant
Synonym	Ath-1, Ath1, CD134L, OX-40 L, O x 40 L, TXGP1, Txgp1l, gp34

2,739

Invitrogen™ Rat Adiponectin Rapid ELISA Kit

ELISA

Pricing & Availability
Specifications

Shipping Condition	Wet or Dry Ice
Immunoassay Kit Format	Coated ELISA Kit
Target Species	Rat
Conjugate	HRP
Interassay CV	<10%
Intraassay CV	<10%
Gene Symbol	ADIPOQ
Total Assay Time	1 hr 30 min
Assay Sensitivity	6.43 ng/mL
Storage Requirements	Refer to product documentation for component specific storage temperature.
Assay Range	31.25-1000 ng/mL
Test Time	15 min
Regulatory Status	RUO
Target	Adiponectin
Kit Contents	Pre-coated 96 well plate, Standard, HRP Conjugate, Standard & Sample Diluent, HRP Conjugate Diluent, Wash Buffer, TMB Substrate, Stop Solution, Plate Sealer,Standard,HRP Conjugate,Standard & Sample Diluent,HRP Conjugate Diluent,Wash Buffer,TMB Substrate,Stop Solution,Plate Sealer
Gene Alias	30 kDa adipocyte complement-related protein; 30kDa; Acdc; Acrp30; Ad; adipo; adipocyte complement related protein; adipocyte complement related protein of 30 kDa; adipocyte complement-related 30 kDa protein; adipocyte complement-related protein of 30 kDa; adipocyte, C1Q and collagen domain containing; adipocyte, C1q and collagen domain-containing protein; Adipocyte-specific protein AdipoQ; adiponectin; adiponectin, C1Q and collagen domain containing; Adipoq; Adipose most abundant gene transcript 1 protein; adipose specific collagen-like factor; ADIPQTL1; ADPIOQ; ADPN; Apm1; APM-1; APN; GBP28; Gelatin-binding protein; gelatin-binding protein 2830 kDa adipocyte complement-related protein; 30kDa; Acdc; Acrp30; Ad; adipo; adipocyte complement related protein; adipocyte complement related protein of 30 kDa; adipocyte complement-related 30 kDa protein; adipocyte complement-related protein of 30 kDa; adipocyte, C1Q and collagen domain containing; adipocyte, C1q and collagen domain-containing protein; Adipocyte-specific protein AdipoQ; adiponectin; adiponectin, C1Q and collagen domain containing; Adipoq; Adipose most abundant gene transcript 1 protein; adipose specific collagen-like factor; ADIPQTL1; ADPIOQ; ADPN; Apm1; APM-1; APN; GBP28; Gelatin-binding protein; gelatin-binding protein 28;
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	246253
Sample Type	Plasma,Serum
Label or Dye	HRP

2,740

Promotions Available

Invitrogen™ Human PAPP-A 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	0.6 ng/mL
Research Discipline	Differentiation
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	PAPPA
Specificity	This ELISA kit shows no cross-reactivity with the following cytokines tested: human Alpha-2 Microglobulin, ApoA, ApoC1, ApoC2, ApoC3, ApoE, ApoH, Artemin, BMP-6, Calbindin, CK beta 8-1 (CCL23), CNTF, EMMPRIN (CD147), Endostatin, Fibrinogen, FLRG, TNFSF18 (GITR Ligand), GPBB, Hemoglobin, HTRA2, IL-17 E, IL-1 R3 (IL1 R Acp), Lactoferrin, Mesothelin, PAPP-A, PD-ECGF (Thymidine Phosphorylase), PDGF R alpha, Pepsinogen 2, Periostin, Persephin, PTH, RAP, SAA (Serum Amyloid A), Serpin F1 (PEDF), Tie-1, TPA, Thrombospondin 2, Ubiquitin+1, Vitronectin, VWF
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
Calibration Range	0.6 ng/mL to 500 ng/mL
Interassay CV	<12%
Gene Symbol	ASBABP2,DIPLA1,IGFBP-4 ase,PAPA,PAPP-A1,PAPPA
Storage Requirements	2°C to 8°C
Assay Range	0.686 to 500 ng/mL
Accession Number	Q13219
Regulatory Status	RUO
Product Type	ELISA
Gene ID (Entrez)	5069
Sample Type	Plasma,Serum,Supernatant
Synonym	RP11-45A16.1, ASBABP2, DIPLA1, IGFBP-4 ase, PAPA, PAPP-A1, PAPPA

2,741

Novus Biologicals™ Human Presenilin-1 ELISA Kit (Colorimetric)

Colorimetric ELISA Kit

Pricing & Availability

2,742

Invitrogen™ Human APRIL ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Interassay CV	7.1%
Intraassay CV	8.1
Gene Symbol	APRIL,CD256,TALL-2,TALL2,TNLG7B,TRDL-1,UNQ383/PRO715,ZTNF2
Total Assay Time	3 hrs 10 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	0.4 ng/mL
Storage Requirements	2°C to 8°C
Assay Range	0.78 to 50.0 ng/mL
For Use With (Application)	ELISA
Test Time	1 hrs 20 mins
Accession Number	O75888
Regulatory Status	RUO
Target	APRIL
Kit Contents	Pre-coated 96 well plate,Standard,Sample Diluent,Assay Buffer concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Lysis Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	8741
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP
Synonym	TNF 13, TALL 2, TRDL 1, CD256 antigen

2,743

Invitrogen™ Human IL-12/IL-23 p40 ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Interassay CV	6.4%
Intraassay CV	4.7%
Gene Symbol	IL12A, IL12B, Il23a
Total Assay Time	4 hr 10 min
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	<10 pg/mL
Storage Requirements	2-8°C
Assay Range	31.3-2000 pg/mL
For Use With (Application)	ELISA
Test Time	1 hr 20 min
Accession Number	P29459, P29460, Q9NPF7
Regulatory Status	RUO
Target	IL-12/IL-23 p40
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)	3592, 3593, 51561
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin
Synonym	Interleukin-12 subunit beta precursor

2,744

Invitrogen™ Monkey TIMP-1 ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	12.5 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	12.5 to 3,000 pg/mL
Test Time	1 hrs 20 mins
Accession Number	Clgi; Collagenase inhibitor; collagenase inhibitor 16C8 fibroblast; EG-1; embryogenin-1; EPA; EPO; erythroid potentiating activity; erythroid-potentiating activity; Fibroblast collagenase inhibitor; FLJ90373; HCI; LOC100009047; Metalloproteinase inhibitor; metalloproteinase inhibitor 1; metalloproteinase tissue inhibitor; metalloproteinase tissue inhibitor 1; MMP inhibitor; RP1-230G1.3; TIMP; TIMP 1; TIMP metallopeptidase inhibitor 1; Timp1; TIMP-1; TIMP-1 protein; tissue inhibitor of matrix metalloproteinase-1; tissue inhibitor of metallopeptidase 1; tissue inhibitor of metalloproteinase; tissue inhibitor of metalloproteinase 1; tissue inhibitor of metalloproteinase 1 (erythroid potentiating activity, collagenase inhibitor); tissue inhibitor of metalloproteinase-1; tissue inhibitor of metalloproteinases; tissue inhibitor of metalloproteinases 1; TPA-induced protein; TPA-S1
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
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

2,745

Invitrogen™ Mouse SCF (KITL) ELISA Kit

ELISA

Pricing & Availability

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Novus Biologicals™ Mouse LXR alpha/NR1H3 ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Goat IL-12/IL-35 p35 ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ ECM-1/Secretory Component P85 Antibody Pair [HRP] Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Human Presenilin-1 ELISA Kit (Colorimetric) Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Mouse LXR alpha/NR1H3 ELISA Kit (Colorimetric)

Novus Biologicals™ Goat IL-12/IL-35 p35 ELISA Kit (Colorimetric)

Novus Biologicals™ ECM-1/Secretory Component P85 Antibody Pair [HRP]

Novus Biologicals™ Human Presenilin-1 ELISA Kit (Colorimetric)