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 (84,792)

Singleplex and Multiplex Bead Based Immunoassays (5,723)

ELISA Substrates and Reagents (2,178)

76 – 90 of 90,206 results

R&D Systems™ Human IGF-I/IGF-1 Quantikine ELISA Kit

From the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Pricing & Availability

Invitrogen™ IL-10 Human ProcartaPlex™ Simplex Kit

Ideal solution for assessing multiple protein biomarkers in a single sample. Explore our broad portfolio of pre-configurated panels and combinable single analytes.

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Invitrogen™ Mouse IFN gamma ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Mouse
Conjugate	HRP
Interassay CV	6.5%
Intraassay CV	3.2
Incubation Time	4 hr.
Gene Symbol	IFN-g,Ifg
Total Assay Time	4 hrs
Sample Volume	Plasma 25 μL, Serum 25 μL, Supernatant 25 μL
Assay Sensitivity	<2 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	47 to 300 pg/mL
For Use With (Application)	Colorimetric Detection
Test Time	1 hrs 20 mins
Accession Number	P01580
Regulatory Status	RUO
Target	IFN gamma
Kit Contents	Pre-coated 96 well plate,Standard,Standard Dilution Buffer,Biotinylated Detection Antibody,Streptavidin-HRP,HRP Diluent,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	15978
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

Invitrogen™ Mouse IL-6 ELISA Kit, High Sensitivity

ELISA

Pricing & Availability
Specifications

Shipping Condition	Wet Ice
Immunoassay Kit Format	Sandwich ELISA Kit
Target Species	Mouse
Conjugate	HRP
Interassay CV	11%
Intraassay CV	8.8%
Gene Symbol	Il6
Total Assay Time	18 hr
Assay Sensitivity	0.21 pg/mL
Storage Requirements	2-8°C
Assay Range	1.56-100 pg/mL
Test Time	1 hr 20 min
Accession Number	P08505
Regulatory Status	RUO
Target	IL-6
Kit Contents	Pre-coated microwell plate, Biotinylated Detection Antibody, Streptavidin-HRP, Standard, Sample Diluent, Assay Buffer, Amplification Reagent I, Amplification Reagent II, Wash Buffer Concentrate, Substrate Solution, Stop Solution, Adhesive Plate Covers
Gene Alias	B-cell differentiation factor; B-cell hybridoma growth factor; B-cell stimulatory factor 2; BSF2; BSF-2; CDF; CHIL-6; CTL differentiation factor; cytokine; HGF; H-IL-6; HSF; hybridoma growth factor; Ifnb2; IFN-beta-2; Il6; IL-6; ILg6; ILN; interferon beta-2; Interleukin; interleukin 6; Interleukin 6 (interferon, beta 2); interleukin 6 precursor; interleukin BSF-2; interleukin HP-1; Interleukin6; Interleukin-6; interleukin-6 precursor; interleukin-6 protein; M-IL-6; prointerleukin 6; R-IL-6B-cell differentiation factor; B-cell hybridoma growth factor; B-cell stimulatory factor 2; BSF2; BSF-2; CDF; CHIL-6; CTL differentiation factor; cytokine; HGF; H-IL-6; HSF; hybridoma growth factor; Ifnb2; IFN-beta-2; Il6; IL-6; ILg6; ILN; interferon beta-2; Interleukin; interleukin 6; Interleukin 6 (interferon, beta 2); interleukin 6 precursor; interleukin BSF-2; interleukin HP-1; Interleukin6; Interleukin-6; interleukin-6 precursor; interleukin-6 protein; M-IL-6; prointerleukin 6; R-IL-6;
Product Type	ELISA
For Use With (Equipment)	Absorbance Microplate Reader
Gene ID (Entrez)	16193
Sample Type	Plasma,Serum,Supernatant
Label or Dye	Biotin

Invitrogen™ Human Visfatin ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10
Gene Symbol	NAMPT
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	1.1 ng/mL
Storage Requirements	2°C to 8°C
Assay Range	1.1 to 300 ng/mL
Test Time	1 hrs 20 mins
Accession Number	1110035O14Rik; AI314458; AI480535; DKFZp666B131; EC 2.4.2.12; MGC117256; NAmPRTase; NAMPT; nampta; nicotinamide phosphoribosyltransferase; nicotinamide phosphoribosyltransferase a; PBEF; Pbef1; Pre-B cell-enhancing factor; pre-B-cell colony enhancing factor 1; pre-B-cell colony-enhancing factor 1; Pre-B-cell colony-enhancing factor 1 homolog; RCJMB04
Regulatory Status	RUO
Target	NAMPT
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)	10135
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

Invitrogen™ Human IL-18 ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Interassay CV	8.1%
Intraassay CV	6.5
Gene Symbol	IGIF,IL-18,IL-1 g,IL1F4
Total Assay Time	3 hrs 10 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	9.0 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	78 to 5,000 pg/mL
For Use With (Application)	ELISA
Test Time	1 hrs 20 mins
Accession Number	Q14116
Regulatory Status	RUO
Target	IL-18
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)	3606
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP
Synonym	Interleukin-18, Interferon-gamma-inducing factor

Invitrogen™ Mouse TNF alpha Uncoated ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Mouse
Conjugate	HRP
Gene Symbol	AA690181,IL-15 RA,AI503618,IL-15
Total Assay Time	24 hrs 30 mins
Sample Volume	Lavage Fluid 100 μL, Plasma 100 μL, Serum 100 μL, Supernatant 100 μL, Tissue Homogenate 100 μL
Assay Sensitivity	8 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	8 to 1,000 pg/mL
For Use With (Application)	ELISA
Test Time	1 hrs 45 mins
Accession Number	P06804
Regulatory Status	RUO
Target	TNF alpha
Kit Contents	Capture Antibody: Pre-titrated,Purified antibody,Detection Antibody: Pre-titrated,Biotin-conjugated antibody,Standard: Recombinant cytokine for generating standard curve and calibrating samples,ELISA/ELISPOT Coating Buffer Powder: This uncoated ELISA kit may contain ELISA/ELISPOT Coating Buffer Powder (Reconstitute to 1L with dH20 and filter (0.22 μM) or 10X PBS ELISA Coating Buffer (Dilute 1 part 10X Buffer into 9 parts dH20).,Assay Diluent: 5X concentrated,Detection enzyme: Pre-titrated Avidin-HRP,Substrate Solution: Tetramethylbenzidine (TMB) Substrate 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)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	21926
Sample Type	Lavage Fluid,Plasma,Serum,Supernatant,Tissue Homogenates
Label or Dye	HRP
Synonym	Tumor Necrosis Factor alpha, tnf-a,tnf alpha

Invitrogen™ Human Calprotectin L1/S100-A8/A9 Complex ELISA Kit

ELISA

Pricing & Availability
Specifications

Conjugate	HRP
Interassay CV	<12%
Intraassay CV	<10
Gene Symbol	S100A8, S100A9
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity	35 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	35 to 8,000 pg/mL
Test Time	1 hrs 20 mins
Accession Number	60B8Ag; AI323541; AW546964; B8Ag; BEE11; BEE22; Caga; Cagb; calgranulin A; calgranulin B; calgranulin-A; Calgranulin-B; calprotectin; calprotectin L1H subunit; Calprotectin L1L subunit; CFAG; CGLA; CGLB; Chemotactic cytokine CP-10; chemotactic S100 protein; CP-10; Cystic fibrosis antigen; EGK
Regulatory Status	RUO
Target	Calprotectin
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)	6279, 6280
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

Invitrogen™ Triiodothyronine (T3) Competitive ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Description	Triiodothyronine (T3) Competitive ELISA Kit
Interassay CV	13.4%
Intraassay CV	6.3
Total Assay Time	2 hrs 30 mins
Sample Volume	Fecal Extract 100 μL, Plasma 100 μL, Serum 100 μL, Supernatant 100 μL, Urine 25 μL
Assay Sensitivity	37.4 pg/mL
Storage Requirements	-20°C
Research Discipline	Metabolism
Assay Range	78.125 to 5000 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 hrs 20 mins
Detection Method	Fluorescence
Regulatory Status	RUO
Target	Triiodothyronine (T3)
Kit Contents	Pre-coated 96 well plate,Standard,Assay Diluent concentrate,HRP-Conjugated Detection Antibody,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Sample Type	Fecal Extract,Plasma,Serum,Supernatant,Urine
Label or Dye	HRP

Invitrogen™ Human IL-2 Uncoated ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Human
Conjugate	HRP
Gene Symbol	Il-1 A
Total Assay Time	24 hrs 30 mins
Sample Volume	Plasma 100 μL, Serum 100 μL, Supernatant 100 μL
Assay Sensitivity	2 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	2 to 250 pg/mL
For Use With (Application)	ELISA
Test Time	1 hrs 45 mins
Accession Number	P60568
Regulatory Status	RUO
Target	IL-2
Kit Contents	Capture Antibody: Pre-titrated,Purified antibody,Detection Antibody: Pre-titrated,Biotin-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,Enzyme: Pre-titrated Avidin-HRP,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)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	3558
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP
Synonym	Interleukin-2

Invitrogen™ Human GDF15 ELISA Kit

ELISA

Pricing & Availability
Specifications

Protein Family	Growth Factors & Receptors
Target Species	Human
Conjugate	HRP
Intraassay CV	<10
Total Assay Time	4 hrs 45 mins
Sample Volume	Plasma 33 μL, Serum 33 μL, Supernatant 100 μL
Assay Sensitivity	2 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	GDF15
Specificity	This ELISA kit shows no cross-reactivity with the following cytokines tested: human Angiogenin, BDNF, BLC, CNTF, 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, FGF-4, FGF-6, FGF- 7, G-CSF, GDNF, GM-CSF, IFN-gamma, IGFBP-2, IGFBP-3, IGFBP-4, Leptin (OB), MCP-1, MCP-2, MCP-3, MDC, MIF, MIG, MIP-1 alpha, MIP-1 beta, MIP-1 delta, PARC, PDGF, RANTES, SCF, SDF-1 alpha, 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
Calibration Range	2 pg/mL to 800 pg/mL
Interassay CV	<12%
Gene Symbol	GDF-15,MIC-1,MIC1,NAG-1,PDF,PLAB,PTGFB
Storage Requirements	2°C to 8°C
Assay Range	1.1 to 800 pg/mL
Accession Number	Q99988
Regulatory Status	RUO
Product Type	ELISA
Gene ID (Entrez)	9518
Sample Type	Plasma,Serum,Supernatant
Synonym	GDF-15, MIC-1, MIC1, NAG-1, PDF, PLAB, PTGFB

Invitrogen™ Human FAK (Phospho) [pY397] ELISA Kit

ELISA

Pricing & Availability

Invitrogen™ Mouse IL-6 ELISA Kit

ELISA

Pricing & Availability
Specifications

Target Species	Mouse
Conjugate	HRP
Interassay CV	6.7%
Intraassay CV	5.8
Gene Symbol	IL-6
Total Assay Time	3 hrs 30 mins
Sample Volume	Plasma 50 μL, Serum 50 μL, Supernatant 100 μL
Assay Sensitivity	<3 pg/mL
Storage Requirements	2°C to 8°C
Assay Range	7.8 to 500 pg/mL
For Use With (Application)	Colorimetric
Test Time	1 hrs 20 mins
Accession Number	P08505
Regulatory Status	RUO
Target	IL-6
Kit Contents	Pre-coated 96 well plate,Standard,Standard Dilution Buffer,Biotinylated Detection Antibody,Streptavidin-HRP,HRP Diluent,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
Precision	<3 pg/mL
For Use With (Equipment)	Colorimetric Microplate Reader
Product Type	ELISA
Gene ID (Entrez)	16193
Sample Type	Plasma,Serum,Supernatant
Label or Dye	HRP

Invitrogen™ Mouse IL-13 ELISA Kit

ELISA

Pricing & Availability

Invitrogen™ Human Osteocalcin ELISA Kit

ELISA

Pricing & Availability
Specifications

For Use With (Equipment)	Colorimetric Microplate Reader
Gene ID (Entrez)	632
Interassay CV	4.6%
Intraassay CV	3.9
Assay Sensitivity	0.08 ng/mL
Assay Range	1.56 to 75 ng/mL
For Use With (Application)	Colorimetric Detection

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