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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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256 – 270 of 62,947 results
256

R&D Systems™ Human IL-1 beta/IL-1F2 Quantikine ELISA Kit
GSA_VA

Human IL-1 beta/IL-1F2 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Specificity Natural and Recombinant Human IL-1 beta
Target Species Human
Conjugate HRP
Product Type Solid Phase Sandwich ELISA
Gene ID (Entrez) 3553
Sample Type Cell Culture Supernatant,Plasma (EDTA, Citrate, Heparin),Serum
Sample Volume Cell Culture Supernates (200uL),Serum (200uL),EDTA Plasma (200uL),Heparin Plasma (200uL),Citrate Plasma (200uL)
Synonym catabolin, IL-1, IL1 beta, IL-1 beta, IL-1 b, IL1B, IL1-BETA, IL-1F2, IL1F2IL-1 beta, interleukin 1, beta, interleukin-1 beta, preinterleukin 1 beta, pro-interleukin-1-beta
Assay Sensitivity 1pg/mL
Storage Requirements Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range 3.90 - 250pg/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
257

R&D Systems™ Human BMP-7 Quantikine ELISA Kit

Human BMP-7 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

258

R&D Systems™ Human CXCL10/IP-10 Quantikine ELISA Kit
GSA_VA

Human CXCL10/IP-10 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Specificity Natural and Recombinant Human IP-10
Target Species Human
Conjugate HRP
Product Type Solid Phase Sandwich ELISA
Gene ID (Entrez) 3627
Sample Type Cell Culture Supernatant,Plasma (EDTA, Heparin),Saliva,Serum,Urine
Sample Volume Cell Culture Supernates (10uL),Serum (75uL),EDTA Plasma (75uL),Heparin Plasma (75uL),Saliva (10uL),Urine (100uL)
Synonym C7, chemokine (C-X-C motif) ligand 10, crg-2, CRG2, gIP-10, IFI10, INP10, IP-10, mob-1, SCYB10
Assay Sensitivity 4.46pg/mL
Storage Requirements Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range 7.81 - 500pg/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
259

Invitrogen™ Serotonin Competitive ELISA Kit

ELISA

ENCOMPASS_PREFERRED
For Use With (Equipment) Colorimetric Microplate Reader
Interassay CV <10%
Intraassay CV <10
Assay Sensitivity 9.38 ng/mL
Assay Range 15.63 to 1000 ng/mL
260

R&D Systems™ Human Amphiregulin Quantikine ELISA Kit

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

261

Invitrogen™ Human HMGB-1 ELISA Kit

ELISA

ENCOMPASS_PREFERRED
For Use With (Equipment) Colorimetric Microplate Reader
Gene ID (Entrez) 3146
Interassay CV <10%
Intraassay CV <10
Assay Sensitivity 18.75 pg/mL
Assay Range 31.25 to 2000 pg/mL
262

Novus Biologicals™ Rat Troponin I Type 3 (cardiac) ELISA Kit (Colorimetric)
SDP

Rat Troponin I Type 3 (cardiac) ELISA Kit (Colorimetric) measures Troponin I Type 3 (cardiac) in Serum, plasma, cell supernatant, and other biological fluids.

263

Novus Biologicals™ Universal Dopamine ELISA Kit (Colorimetric)
SDP

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

264

Invitrogen™ Reduced Glutathione (GSH) Colorimetric Assay Kit

These complete, ready-to-use kits include clear 96-well plate(s), other assay specific reagents, buffers, and a lot-specific technical data sheet.

ENCOMPASS_PREFERRED
265

Invitrogen™ Malondialdehyde (MDA) Colorimetric Assay Kit

These complete, ready-to-use kits include clear 96-well plate(s), other assay specific reagents, buffers, and a lot-specific technical data sheet.

ENCOMPASS_PREFERRED
266

Invitrogen™ Human IL-10 ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Measurement Absorbance at 450 nm minus absorbance (at 550 nm)
Immunoassay Kit Format Colorimetric ELISA (TMB substrate) with Plates
Target Species Human
Conjugate HRP
Description Human IL-10 ELISA Kit
Interassay CV <10%
Intraassay CV <10
Gene Symbol CSIF,GVHDS,IL-10 A,TGIF,IL10
Total Assay Time 3 hrs
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 50 μL, Urine 50 μL
Assay Sensitivity <3 pg/mL
Storage Requirements 2°C to 8°C
Assay Range 15.36 to 600 pg/mL
Test Time 1 hrs 20 mins
Accession Number P22301
Regulatory Status RUO
Target IL-10
Specificity No significant cross-reaction with human IL-1 A, IL-2, IL-3, IL-4, IL-6, IL-7, IL-8, TNFa, TNFß or IFNg. Approx. 2% cross-reactivity with recombinant mouse IL-10
Kit Contents Pre-coated 96 well plate,Standard,Assay Diluent concentrate,Biotinylated Detection Antibody,SAV-HRP,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
Precision Intra-assay CV <10%; inter-assay CV <10%
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA
Gene ID (Entrez) 3586
Sample Type Plasma,Serum,Supernatant,Urine
Label or Dye HRP
267

R&D Systems™ Human/Mouse/Rat/Porcine/Canine TGF-beta 1 Quantikine ELISA

Target Human
Specificity Natural and recombinant TGF-beta 1. This assay also recognizes human TGF-beta 1.2.
Gene ID (Entrez) 7040
Synonym CEDLAP, DPD1, latency-associated peptide, TGF beta, TGF beta1, TGFB, TGFB1, TGFbeta, TGFbeta 1, TGF-beta 1 protein, TGF-beta-1, transforming growth factor beta-1, transforming growth factor, beta 1
Storage Requirements Store the unopened product at 2°C to 8°C. Do not use past expiration date.
For Use With (Application) ELISA
268

Invitrogen™ Thyroxine (T4) Competitive ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Target Species Human
Conjugate HRP
Description Thyroxine (T4) Competitive ELISA Kit
Interassay CV 7%
Intraassay CV 3
Total Assay Time 1 hrs 30 mins
Sample Volume Fecal Extract 10 μL, Plasma 1 μL, Serum 1 μL, Supernatant 10 μL, Urine 2.5 μL
Assay Sensitivity 0.29 ng/mL
Storage Requirements -20°C
Research Discipline Metabolism
Assay Range 0.625 to 20 ng/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 Thyroxine (T4)
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
269

Invitrogen™ Mouse CRP ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Conjugate HRP
Interassay CV <12%
Intraassay CV <10
Gene Symbol Crp
Total Assay Time 4 hrs 45 mins
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Assay Sensitivity 0.15 ng/mL
Storage Requirements 2°C to 8°C
Assay Range 0.15 to 40 ng/mL
Test Time 1 hrs 20 mins
Accession Number Aa1249; Ab1-341; Ab2-196; Ac1-114; Ac1262; Ac2-069; acute phase protein; CRP; AI255847; Ba2-693; c reactive; C-reactive protein; C-reactive protein member of the pentraxin family; C-reactive protein(1-205); C-reactive protein, member of the pentraxin family; C-reactive protein, pentraxin-related; C-reactive protein, petaxin related; CRP; CRP1; CSRP; CYRP; D1S181E; DKFZp686M148; DKFZp686M149; MGC149895; MGC88244; pentraxin 1; PTX1; RP11-419N10.4
Regulatory Status RUO
Target CRP
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) 12944
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
270

Invitrogen™ Atrial Natriuretic Peptide (ANP) Competitive ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Target Species Human
Conjugate HRP
Description Atrial Natriuretic Peptide (ANP) Competitive ELISA Kit
Interassay CV 7.6%
Intraassay CV 6.7
Total Assay Time 1 hrs 30 mins
Sample Volume Plasma 50 μL, Supernatant 50 μL, Urine 12.5 μL
Assay Sensitivity 0.25 ng/mL
Storage Requirements -20°C
Research Discipline Inflammation
Assay Range 0.741 to 180 ng/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 ANP
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 Plasma,Supernatant,Urine
Label or Dye HRP