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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.

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1 – 15 of 3,483 results
1

Invitrogen™ SARS-CoV-2 Neutralizing Ab ELISA Kit  DFS Item

ELISA

Shipping Condition Wet Ice
Content And Storage 2°C to 8°C
Host Species Human
Conjugate HRP
Interassay CV <10%
Intraassay CV <10
Total Assay Time 1 hrs 30 mins
Sample Volume Plasma 5 μL, Serum 5 μL
Protein SARS-CoV-2 Spike Protein RBD
Test Time 40 mins
Regulatory Status RUO
Target SARS-CoV-2 Spike Protein RBD
Kit Contents Pre-coated 96 well plate,Control,SA-HRP Conjugate,Assay Buffer concentrate,Wash Buffer concentrate,Substrate solution,Stop Solution,Adhesive Plate Covers
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA
Sample Type Plasma,Serum
2

Invitrogen™ Mouse Periostin (Postn) ELISA Kit  DFS Item

ELISA

Protein Family Other Proteins
Host Species Mouse
Target Species Mouse
Conjugate HRP
Description Periostin (Postn) ELISA Kit, 96 Assays, 1 Kit, Mouse Species, HRP Conjugate, Colorimetric Detection Method, Enzyme-Linked Immunosorbent Assay Designed for the Quantitation and Detection of Periostin, Osteoblast Specific Factor (Postn) in Samples Using a M
Intraassay CV <10
Detectable Analytes Periostin, osteoblast specific factor (Postn)
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 2 μL, Serum 2 μL, Supernatant 100 μL
Assay Sensitivity 0.05 ng/mL
Research Discipline Development
For Use With (Application) ELISA, Protein Assays, Protein Biology, Cancer Biology, Immunology, Neuroscience, Neurobiology, Protein Detection, Protein Analysis
Test Time 1 hrs 20 mins
Detection Method Colorimetric
Assay Solid-phase sandwich ELISA
Target Periostin
Specificity This ELISA kit shows no cross-reactivity with the following cytokines tested: Axl, BLC, CD27 Ligand, CD30, CD30 Ligand, CD40, CXCL16, EGF, E-selectin, Fractalkine, GITR, HGF, ICAM-1, IFN-gamma, IGF-1, IGFBP-2, IGFBP-3, IGFBP-5, IGFBP-6, IL-1 alpha, IL-1 ra, IL-1 beta, IL-2, IL-2 R alpha, IL-3, IL-4, IL-5, IL-6, IL-7, IL-10, IL-12 p70, IL-17 E, IL-17 F, IL-20, IL-23, IL-28, I-TAC, MCP-1, MCP-5, M-CSF, MDC, MIG, MIP-1 alpha, MIP-1 gamma, MIP-2, MIP-3 alpha, Osteopontin, Osteoprotegerin, Prolactin, Pro-MMP-9, P-selectin, Resistin, SCF, SDF-1 alpha, TPO, VCAM-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
Label or Dye HRP
Calibration Range 0.05 ng/mL to 16 ng/mL
Interassay CV <12%
Gene Symbol A630052E07Rik,AI747096,OSF-2,Osf2,PLF,PN
Storage Requirements 2°C to 8°C
Assay Range 0.66 to 16 ng/mL
Accession Number Q62009
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 50706
Sample Type Plasma,Serum,Supernatant
Synonym A630052E07Rik, AI747096, OSF-2, Osf2, PLF, PN, peri
3

Invitrogen™ STAT6[pY641] Human ProcartaPlex™ Simplex Kit

ProcartaPlex Simplex kits enable precise analysis of the protein of interest.

4

Invitrogen™ Human SIGLEC9 ELISA Kit  DFS Item

ELISA

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 130 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 SIGLEC9
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-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 130 pg/mL to 30 ng/mL
Interassay CV <12%
Gene Symbol CD329,CDw329,FOAP-9,OBBP-LIKE,siglec-9
Storage Requirements 2°C to 8°C
Assay Range 0.123 to 30 ng/mL
Accession Number Q9Y336
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 27180
Sample Type Plasma,Serum,Supernatant
Synonym UNQ668/PRO1302, CD329, CDw329, FOAP-9, OBBP-LIKE, siglec-9
5

Invitrogen™ Human GDF15 ELISA Kit  DFS Item

ELISA

For Use With (Equipment) Colorimetric Microplate Reader
Gene ID (Entrez) 9518
Interassay CV 2.9%
Intraassay CV 4.2
Assay Sensitivity 0.59 pg/ml
Assay Range 2 to 125 pg/mL
6

Invitrogen™ Human TGFBI (BIGH3) ELISA Kit  DFS Item

ELISA

Protein Family Other Proteins
Target Species Human
Conjugate HRP
Intraassay CV <10
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 1 μL, Serum 1 μL, Supernatant 100 μL
Assay Sensitivity 25 pg/mL
Research Discipline Angiogenesis
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 TGFBI
Specificity This ELISA kit shows no cross-reactivity with the recombinant mouse beta-IGH3.
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 25 pg/mL to 6000 pg/mL
Interassay CV <12%
Gene Symbol BIGH3,CDB1,CDG2,CDGG1,CSD,CSD1,CSD2,CSD3,EBMD,LCD1
Storage Requirements 2°C to 8°C
Assay Range 24.58 to 6000 pg/mL
Accession Number Q15582
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 7045
Sample Type Plasma,Serum,Supernatant
Synonym BIGH3, CDB1, CDG2, CDGG1, CSD, CSD1, CSD2, CSD3, EBMD, LCD1
7
Promotions Available

Invitrogen™ Human CA19-9 ELISA Kit  DFS Item

ELISA

Protein Family Other Proteins
Target Species Human
Conjugate HRP
Calibration Range 0.3 U/mL to 200 U/mL
Interassay CV <12%
Intraassay CV <10
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 100 μL
Assay Sensitivity 0.3 U/mL
Storage Requirements 2°C to 8°C
Research Discipline Other Research
Assay Range 0.274 to 200 U/mL
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
Regulatory Status RUO
Target CA19-9
Specificity This ELISA kit shows no cross-reactivity with the following cytokines tested: human Angiogenin, BDNF, BLC, CNTF, 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
Product Type ELISA
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
9

Invitrogen™ Human TRAIL R4/ TNFRSF10D ELISA Kit  DFS Item

ELISA

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 10 pg/mL
Research Discipline Apoptosis
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 TRAIL-R4 (CD264)
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
Calibration Range 10 pg/mL to 4000 pg/mL
Interassay CV <12%
Gene Symbol CD264,DCR2,TRAIL-R4,TRAILR4,TRUNDD
Storage Requirements 2°C to 8°C
Assay Range 5.487 to 4000 pg/mL
Accession Number Q9UBN6
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 8793
Sample Type Plasma,Serum,Supernatant
Synonym UNQ251/PRO288, CD264, DCR2, TRAIL-R4, TRAILR4, TRUNDD
10
Promotions Available

Invitrogen™ Porcine TGF alpha ELISA Kit  DFS Item

ELISA

Conjugate HRP
Interassay CV <12%
Intraassay CV <10
Gene Symbol TGFA
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity 0.6 pg/mL
Storage Requirements 2°C to 8°C
Assay Range 0.6 to 120 pg/mL
Test Time 1 hrs 20 mins
Accession Number EGF-like TGF; ETGF; LOC100009482; protransforming growth factor alpha; RATTGFAA; TFGA; TGF a; TGF type 1; TGF a; Tgfa; TGFAA; TGFalpha; TGF-alpha; TGFa; Transforming growth factor; Transforming growth factor alpha; transforming growth factor, alpha; transforming growth factor-alpha; wa1; wa-1; waved 1
Regulatory Status RUO
Target TGF alpha
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) 397484
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
11

Invitrogen™ Human IFN alpha/beta R2 ELISA Kit  DFS Item

ELISA

Conjugate HRP
Interassay CV <12%
Intraassay CV <10
Gene Symbol IFNAR2
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity 0.16 ng/mL
Storage Requirements 2°C to 8°C
Assay Range 0.16 to 40 ng/mL
Test Time 1 hrs 20 mins
Accession Number AI747302; human interferon alpha/beta receptor; IFN alpha/betaRbeta; IFN R2; IFNABR; IFNalpha/beta R2; IFN-alpha/beta receptor 2; IFNalpha/betaR2; IFN-alpha/betaR2; IFN-alpha/betaRbeta; IFNalpha/beta-Rbeta; IFN-alpha-REC; IFNAR2; Ifnar-2; IFNARB; IFN-R; IFNR2; IFN-R-2; IMD45; interferon (alpha and beta) receptor 2; interferon (alpha, beta and omega) receptor 2; interferon alpha and beta receptor subunit 2; interferon alpha binding protein; Interferon alpha/beta receptor 2; interferon receptor 2 c; interferon-alpha/beta receptor 2; interferon-alpha/beta receptor beta chain; type I interferon alpha/beta receptor 2 A; Type I interferon receptor 2
Regulatory Status RUO
Target IFNAR2
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) 3455
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
12

Invitrogen™ CSPD™ Substrate (0.25 mM Ready-To-Use)  DFS Item

This CSPD™ substrate is a chemiluminescent alkaline phosphatase substrate, ready-to-use for protein or nucleic acid blotting on nitrocellulose membranes.

Shipping Condition Room Temperature
Content And Storage Store the product at 4°C.
Format Bottle
Form Liquid
Product Type ELISA Substrate
Substrate Type Alkaline Phosphatase
Detection Method Chemiluminescence
13

Invitrogen™ Rat Fractalkine-Cell Lysates (CX3CL1) ELISA Kit  DFS Item

ELISA

Protein Family Chemokine & Receptors
Conjugate HRP
Intraassay CV <10
Total Assay Time 4 hrs 45 mins
Sample Volume Cell Lysate 20 μL
Assay Sensitivity 5 pg/mL
Research Discipline Oncology
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 CX3CL1
Specificity The antibody pair provided in this kit recognizes rat Fractalkine.
Kit Contents Pre-coated 96 well plate,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Cell Lysis Buffer,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 5 pg/mL to 2000 pg/mL
Interassay CV <12%
Gene Symbol Cx3c,Scyd1
Storage Requirements 2°C to 8°C
Assay Range 2.74 to 2000 pg/mL
Accession Number O55145
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 89808
Sample Type Cell Lysates
Synonym Cx3c, Scyd1
14

Invitrogen™ Human NOV ELISA Kit  DFS Item

ELISA

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 2 pg/mL
Research Discipline Gene Regulation
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 NOV
Specificity This ELISA antibody pair detects human NOV. 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
For Use With (Equipment) Colorimetric Microplate Reader
Label or Dye HRP
Calibration Range 2 pg/mL to 30 ng/mL
Interassay CV <12%
Gene Symbol CCN3,IBP-9,IGFBP-9,IGFBP9h,NOV
Storage Requirements 2°C to 8°C
Assay Range 0.041 to 30 ng/mL
Accession Number P48745
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 4856
Sample Type Plasma,Serum,Supernatant
Synonym CCN3, IBP-9, IGFBP-9, IGFBP9h, NOV
15

Invitrogen™ Human NOTCH-1 ELISA Kit  DFS Item

ELISA

Protein Family Chemokines & Receptors
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 20 pg/mL
Research Discipline Angiogenesis
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 NOTCH1
Specificity The sandwich ELISA antibody pair detects Human NOTCH-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
Label or Dye HRP
Calibration Range 20 pg/mL to 7000 pg/mL
Interassay CV <12%
Gene Symbol AOS5,AOVD1,TAN1,hN1
Storage Requirements 2°C to 8°C
Assay Range 28.67 to 7000 pg/mL
Accession Number P46531
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 4851
Sample Type Plasma,Serum,Supernatant
Synonym AOS5, AOVD1, TAN1, hN1