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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 (61,749)
ELISA Substrates and Reagents (1,914)
Singleplex and Multiplex Bead Based Immunoassays (1,909)

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391 – 405 of 62,947 results
391

Invitrogen™ Mouse Ferritin ELISA Kit

ELISA

ENCOMPASS_PREFERRED
For Use With (Equipment) Colorimetric Microplate Reader
Gene ID (Entrez) 14319, 14325
Interassay CV <10%
Intraassay CV <10
Assay Sensitivity 0.94 ng/mL
Assay Range 1.56 to 100 ng/mL
392

R&D Systems™ Human IL-2 Quantikine ELISA Kit
GSA_VA

Human IL-2 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Specificity Natural and Recombinant Human TNF-alpha
Target Species Human
Conjugate HRP
Product Type Solid Phase Sandwich ELISA
Gene ID (Entrez) 3558
Sample Type Cell Culture Supernatant,Plasma (EDTA, Citrate, Heparin),Serum
Sample Volume Cell Culture Supernates (100uL),Serum (100uL),EDTA Plasma (100uL),Heparin Plasma (100uL),Citrate Plasma (100uL)
Synonym aldesleukin, IL2, IL-2 lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, T cell growth factor, T-cell growth factor, TCGF
Assay Sensitivity 7pg/mL
Storage Requirements Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range 31.20 - 2000pg/mL
For Use With (Application) ELISA
Cross Reactivity <50% cross-species reactivity observed with species tested. <0.5% cross-reactivity observed with available related molecules.
393

R&D Systems™ Human TSLP Quantikine ELISA Kit

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

394

R&D Systems™ Human FGF basic/FGF2/bFGF Quantikine ELISA Kit

Human FGF basic/FGF2 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Specificity Natural and Recombinant Human FGF basic. This assay cross-reacts 40% with natural Bovine FGF-basic, 0.15% with natural Bovine FGF-acidic, 17% with Recombinant Bovine FGF-basic, 18% with Recombinant Mouse FGF-basic and 57% with Recombinant Rat FGF-basic.
Target Species Human
Conjugate HRP
Product Type Solid Phase Sandwich ELISA
Gene ID (Entrez) 2247
Sample Type Cell Culture Supernatant,Plasma (EDTA),Serum
Sample Volume Cell Culture Supernates (100uL),Serum (100uL),EDTA Plasma (100uL)
Synonym Basic fibroblast growth factor, basic fibroblast growth factor bFGF, bFGF, FGF2, FGF-2, FGFBprostatropin, fibroblast growth factor 2 (basic), HBGF-2, heparin-binding growth factor 2, Prostatropin
Assay Sensitivity 3pg/mL
Storage Requirements Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range 10.00 - 640pg/mL
For Use With (Application) ELISA
Cross Reactivity Cross-species reactivity observed with 1 or more species tested. <0.5% cross-reactivity observed with available related molecules
395

Novus Biologicals™ Sheep Progesterone ELISA Kit (Colorimetric)
SDP

Sheep Progesterone ELISA Kit (Colorimetric) employs competitive ELISA technique for detection of Sheep Progesterone

Target Progesterone
Product Type ELISA Kit (Colorimetric)
Sample Type Plasma,Serum,Tissue Homogenates
Sample Volume 50 to 100 μL
Synonym Pregn 4 ene 3 20 dione
Assay Sensitivity 0.2ng/mL
Assay Range 0.4ng/mL to 30ng/mL
Storage Requirements Store at 4°C
Research Discipline Signal Transduction
For Use With (Application) ELISA
398

Invitrogen™ Canine TIMP-2 ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Conjugate HRP
Interassay CV <12%
Intraassay CV <10
Gene Symbol TIMP2
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity 20 pg/mL
Storage Requirements 2°C to 8°C
Assay Range 20 to 5,000 pg/mL
Test Time 1 hrs 20 mins
Accession Number collagenase inhibitor; CSC-21 K; D11Bwg1104e; DDC8; Metalloproteinase inhibitor 2; metalloproteinase inhibitor precursor; metalloproteinase inhibitor TIMP-2; similar to metalloproteinase inhibitor; testicular secretory protein Li 57; TIMP 2; TIMP metallopeptidase inhibitor 2; Timp2; TIMP-2; TIMP-2 protein; tissue inhibitor of matrix metalloproteinase-2; tissue inhibitor of metalloproteinase 2; tissue inhibitor of metalloproteinase-2; tissue inhibitor of metalloproteinases 2; tissue inhibitor of mettaloproteinase 2
Regulatory Status RUO
Target TIMP2
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) 403633
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
399

Invitrogen™ Mouse G-CSF (CSF3) ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Protein Family Cytokines & Receptors
Target Species Mouse
Conjugate HRP
Intraassay CV <10
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 5 μL, Serum 5 μL, Supernatant 100 μL
Assay Sensitivity 0.5 pg/mL
Research Discipline Immunology
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 G-CSF
Specificity This ELISA kit shows no cross-reactivity with any of the cytokines tested: Mouse CD30, L CD30, T CD40, CRG-2, CTACK, CXCL16, Eotaxin , Eotaxin-2, Fas Ligand, Fractalkine, GM-CFS, IFN- gamma, IGFBP-3, IGFBP-5, IGFBP-6, IL-1 alpha, IL-1 beta, IL-2, IL-3, IL-3 Rb, IL-4, IL-5, IL-6, IL-9, IL-10, IL-12 p40/p70, IL-12 p70, IL-13, IL-17, KC, Leptin R, LEPTIN(OB), LIX, L-Selectin, Lymphotactin, MCP-1, MCP-5, M-CSF, MIG, MIP-1 alpha, MIP-1 gamma, MIP-2, MIP-3 beta, MIP-3 alpha, PF-4, P-Selectin, RANTES, SCF, SDF-1 alpha, TARC, TCA-3, TECK, TIMP-1, TNF-alpha, TNF RI, TNF RII, TPO, VCAM-1, 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 0.5 pg/mL to 150 pg/mL
Interassay CV <12%
Gene Symbol Csfg,G-CSF,MGI-IG
Storage Requirements 2°C to 8°C
Assay Range 0.62 to 150 pg/mL
Accession Number P09920
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 12985
Sample Type Plasma,Serum,Supernatant
Synonym RP23-395E10.4, Csfg, G-CSF, MGI-IG
400

BD ELISA Set II

Design an immunoassay with different sensitivity and dynamic range

401

Invitrogen™ Human Glucagon ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Protein Family GCPR
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 2.5 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 Glucagon
Specificity This ELISA pair antibody detects human Glucagon. Other species not determined.
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 2.5 pg/mL to 130 pg/mL
Interassay CV <12%
Gene Symbol GLP1,GLP2,GRPP
Storage Requirements 2°C to 8°C
Assay Range 2.03 to 130 pg/mL
Accession Number P01275
Regulatory Status RUO
Product Type ELISA
Gene ID (Entrez) 2641
Sample Type Plasma,Serum,Supernatant
Synonym GLP1, GLP2, GRPP
402

Invitrogen™ Mouse LBP ELISA Kit

ELISA

ENCOMPASS_PREFERRED
For Use With (Equipment) Colorimetric Microplate Reader
Gene ID (Entrez) 16803
Interassay CV <10%
Intraassay CV <10
Assay Sensitivity 1.88 ng/mL
Assay Range 3.13 to 200 ng/mL
404

Invitrogen™ Bovine/Sheep Cortisol ELISA Kit

ELISA

ENCOMPASS_PREFERRED
For Use With (Equipment) Colorimetric Microplate Reader
Interassay CV <10%
Intraassay CV <10
Assay Sensitivity 0.96 ng/mL
Assay Range 1.56 to 100 ng/mL
405

R&D Systems™ Porcine IL-6 Quantikine ELISA Kit

Porcine IL-6 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.