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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.

Life Science Research ELISA Kits (15,645)
Singleplex and Multiplex Bead Based Immunoassays (1,429)
ELISA Substrates and Reagents (1,247)

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1 – 15 of 15,046 results
1
Promotions Available

Invitrogen™ Superoxide Dismutase (SOD) Colorimetric Activity Kit

Assay Superoxide Dismutase (SOD) Activity in Serum, Plasma, Cells, Tissues and Erythrocyte Lysates.

EDGE
Shipping Condition Approved for shipment on Wet or Dry Ice
Immunoassay Kit Format Assay Activity Kit
Content And Storage 96-well plate(s), standard, detection reagent, assay buffer, substrate, and lot-specific technical data sheet.

Store at –20°C.
For Use With (Equipment) Microplate Reader
Target Kit Named Superoxide Dismutase (SOD)
2

Invitrogen™ Human Cortisol Competitive ELISA Kit

ELISA

Target Species Human
Conjugate HRP
Description Cortisol Competitive ELISA Kit
Interassay CV 8.1%
Intraassay CV 8.8%
Total Assay Time 1 hr 30 min
Sample Volume Fecal Extract 50 μL, Plasma 1 μL, Saliva 12.5 μL, Serum 1 μL, Supernatant 50 μL, Urine 6.25 μL
Assay Sensitivity 17.3 pg/mL
Storage Requirements -20°C
Research Discipline Inflammation
Assay Range 100-3200 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
Detection Method Fluorescence
Regulatory Status RUO
Target Cortisol
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,Saliva,Serum,Supernatant,Urine
Label or Dye HRP
3

Invitrogen™ Human IL-8 ELISA Kit

ELISA

Target Species Human
Conjugate HRP
Interassay CV 6.1%
Intraassay CV 3.9%
Gene Symbol CXCL8
Total Assay Time 2 hr 30 min
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity <5 pg/mL
Storage Requirements 2-8°C
Assay Range 15.6-1000 pg/mL
For Use With (Application) Colorimetric
Test Time 1 hr 20 min
Accession Number P10145
Regulatory Status RUO
Target IL-8
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,Standard,Standard Dilution Buffer,Biotinylated Detection Antibody,Streptavidin-HRP,HRP Diluent,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
Precision <5 pg/mL
For Use With (Equipment) Absorbance Microplate Reader
Product Type ELISA
Gene ID (Entrez) 3576
Sample Type Plasma,Serum,Supernatant
Label or Dye Biotin
4

Invitrogen™ Cytokine 25-Plex Human Panel

Specifically designed for quantifying human cytokines and chemokines in serum, plasma, and tissue culture supernatant

5
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Thermo Scientific™ 1-Step™ TMB ELISA Substrate Solutions

Thermo Scientific™ Pierce TMB ELISA Substrates detect horseradish peroxidase (HRP) activity, yielding a blue color (Amax = 370 nm and 652 nm) that changes to yellow (Amax = 450 nm) upon addition of a sulfuric or phosphoric acid stop solution.

Substrate Properties Chemical Substrate
Product Type ELISA Substrate
Substrate Type HRP (Horseradish Peroxidase)
Detection Method Colorimetric
6

Gibco™ Residual Protein TrypLE™ ELISA Kit

The Residual Protein TrypLE ELISA Kit is a solid-phase sandwich ELISA (enzyme-linked immunosorbent assay) for the quantitative detection of TrypLE enzyme.

Shipping Condition Wet Ice
Protein Aliases TrypLE, R-Protease
Immunoassay Kit Format Sandwich ELISA Kit
Content And Storage • Pre-coated 96-well plate
• Standard assay buffer concentrate
• HRP-conjugated detection antibody
• Wash buffer concentrate
• Chromogen stop solution
• Adhesive plate covers

Store at 2–8°C.
Conjugate Horseradish Peroxidase (HRP)
Interassay CV 6.20%
Intraassay CV 7.20%
Total Assay Time 1.5 hr.
Assay Sensitivity 0.032 ng/mL
Assay Range 0.78 to 50 ng/mL
Target TrypLE (R-Protease) concentration
Format Wash steps required
For Use With (Equipment) Colorimetric Microplate Reader
Label or Dye Horseradish Peroxidase (HRP)
7
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Thermo Scientific™ QuantaBlu™ Fluorogenic Peroxidase Substrate Kit

Conduct stopped, non-stopped and kinetic assays using this soluble fluorogenic (chemifluorescent) peroxidase substrate for ELISA.

EDGE
8
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Invitrogen™ ELISA Stop Solution

A ready-to-use solution intended for use as a stop solution in ELISA applications that use horseradish peroxidase and TMB substrate solution.

EDGE
Shipping Condition Ambient
Content And Storage Room Temperature
Form Liquid
Product Type ELISA Stop Solution
Substrate Type HRP, TMB
9
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Thermo Scientific™ 1-Step™ ABTS Substrate Solution

Ready-to-use, water-soluble peroxidase substrate tablets that yield a measurable green end-product for use in ELISA methods.

EDGE
10
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Thermo Scientific™ SuperSignal™ ELISA Femto Substrate

HRP substrate formulated for superior protein detection and low-end linearity in chemiluminescent ELISA applications.

EDGE
Content And Storage Stable for one year at 4°C or six months at room temperature. Product is shipped at ambient temperature.
Substrate Properties Chemical Substrate
Product Type ELISA Substrate
Substrate Type HRP (Horseradish Peroxidase)
Product Line SuperSignal
Detection Method Chemiluminescence
11
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Invitrogen™ ELISA Buffer Kit

Concentrated

EDGE
12
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ELISA Systems™ Egg Residue Detection Kit for Food Allergen Testing

Rapidly detect and quantify egg material in uncooked food and wine.

EDGE
13

Invitrogen™ Human MIG/CXCL9 ELISA Kit

ELISA

EDGE
Protein Family GPCR (G-Protein Coupled 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 20 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 hr 20 min
Assay Solid-phase sandwich ELISA
Target CXCL9 (MIG)
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-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, 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,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 20 pg/mL to 6000 pg/mL
Interassay CV <12%
Gene Symbol CXCL9
Storage Requirements Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C
Assay Range 20-6000 pg/mL
Accession Number Q07325
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 4283
Sample Type Plasma,Serum,Supernatant
Synonym CMK, Humig, MIG, SCYB9, crg-10
14
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Thermo Scientific™ PNPP Substrates

Thermo Scientific™ Pierce PNPP Substrates are powders, tablets, solutions and complete kits of p-nitrophenyl phosphate, a colorimetric, soluble substrate of alkaline phosphatase for use in ELISA applications.

EDGE
Substrate Properties Chemical Substrate
Product Type ELISA Substrate
Substrate Type Alkaline Phosphatase
Detection Method Colorimetric
15

Human IL-6 ELISA Development Kit (TMB), PeproTech®

ELISA

EDGE