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 (132,341)

Singleplex and Multiplex Bead Based Immunoassays (6,180)

ELISA Substrates and Reagents (2,366)

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796 – 810 of 138,274 results

796

Invitrogen™ 17-Hydroxyprogesterone Competitive ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Description	17-Hydroxyprogesterone Competitive ELISA Kit
Interassay CV	8%
Intraassay CV	6.6%
Total Assay Time	1 hr 30 min
Sample Volume	Fecal Extract 50 μL, Plasma 50 μL, Serum 50 μL, Supernatant 50 μL, Urine 25 μL
Assay Sensitivity	20.3 pg/mL
Storage Requirements	-20°C
Research Discipline	Reproductive Biology
Assay Range	24.69-6000 pg/mL
For Use With (Application)	ELISA, Protein Assays, Aktivity Assays, Protein Biology, Reproductive Biology, Inflammation, Oxidative Stress, Metabolism, Cell Signaling, Epigenetics, Hematology, DNA Damage, Cancer Biology, Immunology, Neuroscience, Neurobiology, Steroid Hormone Detecti
Test Time	1 hr 20 min
Regulatory Status	RUO
Target	17-Hydroxyprogesterone
Kit Contents	Pre-coated 96 well plate, Standard, Assay Diluent concentrate, HRP-Conjugated Detection Antibody, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers,Standard,Assay Diluent concentrate,HRP-Conjugated Detection Antibody,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Sample Type	Fecal Extract,Plasma,Serum,Supernatant,Urine
Label or Dye	HRP

797

Invitrogen™ Epiandrosterone ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	16%
Intraassay CV	8%
Total Assay Time	2 hr 30 min
Sample Volume	Fecal Extract 50 μL, Plasma 50 μL, Serum 50 μL, Supernatant 50 μL, Urine 12.5 μL
Assay Sensitivity	0.126 ng/mL
Storage Requirements	-20°C
Assay Range	0.098-100 ng/mL
Test Time	45 min
Accession Number	3 beta-androsterone; 3 Beta-hydroxy-5 alpha-androstan-17-one; 5 alpha-androstan-3 beta-ol-17-one; C19H30O2; Epiandrosterone; Isoandrosterone; Trans-Androsterone
Regulatory Status	RUO
Target	Epiandrosterone
Kit Contents	Anti-IgG coated 96 well plate, Standard, Assay Buffer Concentrate, Capture Antibody, HRP-conjugated Antigen, Wash Buffer Concentrate, TMB Substrate, Stop Solution, Plate Sealer,Standard,Assay Buffer Concentrate,Capture Antibody,HRP-conjugated Antigen,Wash Buffer Concentrate,TMB Substrate,Stop Solution,Plate Sealer
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Sample Type	Fecal Extract,Plasma,Serum,Supernatant,Urine
Label or Dye	HRP

798

Invitrogen™ Mouse IL-4 Uncoated ELISA Kit with Plates

ELISA

Pricing & Availability
Specifications

Target Species	Mouse
Conjugate	HRP
Gene Symbol	Il4
Total Assay Time	24 hr 30 min
Sample Volume	Serum 100 μL, Supernatant 100 μL
Assay Sensitivity	8 pg/mL
Storage Requirements	2-8°C
Assay Range	8-500 pg/mL
For Use With (Application)	ELISA
Test Time	1 hr 45 min
Accession Number	P07750
Regulatory Status	RUO
Target	IL-4
Kit Contents	Capture Antibody: Pre-titrated, purified antibody, Detection Antibody: Pre-titrated, HRP-conjugated antibody, Standard: Recombinant protein 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: Recombinant protein 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)
For Use With (Equipment)	Absorbance Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	16189
Sample Type	Serum,Supernatant
Label or Dye	Biotin
Synonym	Interleukin-4 il4

799

Novus Biologicals™ Human Cholecystokinin-B R/CCKBR ELISA Kit (Colorimetric)

ELISA kits are ideal for the quantification of target antigens in tissue extracts, serum and cell culture.

Pricing & Availability

800

Invitrogen™ Human NGF beta ELISA Kit

ELISA

Pricing & Availability
Specifications

Protein Family	Growth Factors & Receptors
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	14 pg/mL
Research Discipline	Neurobiology
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	NGF
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-10, 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-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
Calibration Range	14 pg/mL to 5000 pg/mL
Interassay CV	<12%
Gene Symbol	NGF
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	14-5000 pg/mL
Accession Number	P01138
Regulatory Status	RUO
Product Type	ELISA
Gene ID (Entrez)	4803
Sample Type	Plasma,Serum,Supernatant
Synonym	Beta-NGF, HSAN5B, NGF

801

Novus Biologicals™ Porcine Occludin ELISA Kit (Colorimetric)

Colorimetric Assay Kit

Pricing & Availability
Specifications

Assay Sensitivity	0.19 ng/mL
Assay Range	0.31 to 20 ng/mL

802

Promotions Available

Invitrogen™ Human HTRA2 (OMI) ELISA Kit

ELISA

Pricing & Availability
Specifications

Protein Family	Growth Factors & Receptors
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	200 pg/mL
Research Discipline	Neurobiology
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	HTRA2
Specificity	This ELISA antibody pair detect human HtrA2. Other species not determined yet.
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
Calibration Range	0.2 ng/mL to 50 ng/mL
Interassay CV	<12%
Gene Symbol	HTRA2
Storage Requirements	Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range	0.205-50 ng/mL
Accession Number	O43464
Regulatory Status	RUO
Product Type	ELISA
Gene ID (Entrez)	27429
Sample Type	Plasma,Serum,Supernatant
Synonym	OMI, PARK13, PRSS25

803

R&D Systems™ Human Galectin-3 Quantikine ELISA Kit

Human Galectin-3 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Pricing & Availability

804

Invitrogen™ Human Cystatin C ELISA Kit

ELISA

Pricing & Availability
Specifications

Shipping Condition	Wet Ice
Protein Family	Functional biomarker
Protein Aliases	CST3, ARMD11, HEL-S-2, cystatin C
Immunoassay Kit Format	Sandwich ELISA Kit
Target Species	Human
Conjugate	Unlabeled
Interassay CV	2.9%
Intraassay CV	6.1%
Gene Symbol	Cst3
Total Assay Time	2 hr 30 min
Assay Sensitivity	6.9 pg/mL
Storage Requirements	2-8°C
Assay Range	46.7-3000 pg/mL
Test Time	1 hr
Accession Number	P01034
Regulatory Status	RUO
Target	Cystatin C
Kit Contents	Pre-coated 96 well plate, Standard (2 vials), Assay Buffer concentrate, HRP-conjugated Antibody, Wash Buffer, Substrate Solution, Stop Solution, Adhesive Plate Covers,Standard (2 vials),Assay Buffer concentrate,HRP-conjugated Antibody,Wash Buffer,Substrate Solution,Stop Solution,Adhesive Plate Covers
Gene Alias	AD8; ARMD11; bA218C14.4 (cystatin C); CST3; CYSC; cystatin; cystatin 3; cystatin C; cystatin C (amyloid angiopathy and cerebral hemorrhage); Cystatin C (cysteine proteinase inhibitor); Cystatin3; cystatin-3; CystatinC; Cystatin-C; epididymis secretory protein Li 2; fb51d07; Gamma-trace; HEL-S-2; MGC117328; neuroendocrine basic polypeptide; OTTHUMP00000030440; OTTHUMP00000164181; OTTHUMP00000164182; OTTMUSP00000016736; Post-gamma-globulin; RP23-250M11.9; wu:fb24g06; wu:fb51d07; wu:fc55f03; zgc:136227AD8; ARMD11; bA218C14.4 (cystatin C); CST3; CYSC; cystatin; cystatin 3; cystatin C; cystatin C (amyloid angiopathy and cerebral hemorrhage); Cystatin C (cysteine proteinase inhibitor); Cystatin3; cystatin-3; CystatinC; Cystatin-C; epididymis secretory protein Li 2; fb51d07; Gamma-trace; HEL-S-2; MGC117328; neuroendocrine basic polypeptide; OTTHUMP00000030440; OTTHUMP00000164181; OTTHUMP00000164182; OTTMUSP00000016736; Post-gamma-globulin; RP23-250M11.9; wu:fb24g06; wu:fb51d07; wu:fc55f03; zgc:136227;
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	1471
Sample Type	Cell Lysates,Plasma,Serum,Supernatant
Label or Dye	HRP

805

Novus Biologicals™ IL6R Antibody Pair [HRP]

Polyclonal/Monoclonal Antibody Pair

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Gene ID (Entrez)	3570
Gene Symbol	IL6R

806

Novus Biologicals™ Human NT-3 ELISA Kit (Colorimetric)

Human NT-3 ELISA Kit (Colorimetric) from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Pricing & Availability

807

Novus Biologicals™ Rat Enolase 2/Neuron-specific Enolase ELISA Kit (Colorimetric)

Rat Enolase 2/Neuron-specific Enolase ELISA Kit (Colorimetric) from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.