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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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226 – 240 of 62,947 results
226

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

ELISA

EDGE ENCOMPASS_PREFERRED
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
227

Invitrogen™ Human Amyloid beta 42 ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Target Species Human
Conjugate HRP
Interassay CV 4.3%
Intraassay CV 3.6
Incubation Time 4 hr.
Gene Symbol AAA,ABETA,ABPP,AD1I,CTFgamma,CVAP,PN-II,PN2,APP
Total Assay Time 4 hrs
Sample Volume Cerebrospinal Fluid 50 μL, Supernatant 50 μL, Tissue Homogenate 50 μL
Assay Sensitivity <10 pg/mL
Storage Requirements 2°C to 8°C
Concentration 15.6 to 1000 pg/mL
Assay Range 15.6 to 1000 pg/mL
Marker Gene Aβ 42
Test Time 1 hrs 20 mins
Accession Number P05067
Regulatory Status RUO
Target Amyloid beta 42
Kit Contents Pre-coated 96 well plate,Standard,Standard Dilution Buffer,Detection Antibody,Anti-IgG HRP,HRP Diluent,Wash Buffer,Chromogen,Stop Solution,Adhesive Plate Covers
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA
Gene ID (Entrez) 351
Sample Type Cerebrospinal Fluid,Supernatant,Tissue Homogenates
Label or Dye HRP
228

Invitrogen™ Cell Lysis Buffer II

Cell Lysis Buffer II is a high-quality, ready-to-use lysis buffer suitable for the preparation of cell extracts for ELISA, western blotting, and antibody bead immunoassays (Luminex) applications.

ENCOMPASS_PREFERRED
229

R&D Systems™ Human IL-12 p70 Quantikine ELISA Kit
GSA_VA

Human IL-12 p70 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

Specificity Natural and Recombinant Human IL-12p70
Target Species Human
Conjugate HRP
Product Type Solid Phase Sandwich ELISA
Gene ID (Entrez) 3592
Sample Type Cell Culture Supernatant,Plasma (EDTA, Citrate, Heparin),Serum,Urine
Sample Volume Cell Culture Supernates (200uL),Serum (200uL),EDTA Plasma (200uL),Heparin Plasma (200uL),Citrate Plasma (200uL),Urine (200uL)
Synonym CLMF p35, Cytotoxic lymphocyte maturation factor 35 kDa subunit, IL12 p70, IL-12 subunit p35, IL-12, subunit p35, interleukin 12, p35, interleukin 12 A (natural killer cell stimulatory factor 1, cytotoxic lymphocytematuration factor 1, p35), interleukin-12 alpha chain, interleukin-12 subunit alpha, natural killer cell stimulatory factor 1, 35 kD subunit, NF cell stimulatory factor chain 1, NK cell stimulatory factor chain 1, NKSF1, p35
Assay Sensitivity 5pg/mL
Storage Requirements Store the unopened product at 2° to 8°C. Do not use past expiration date.
Assay Range 7.80 - 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
230

Invitrogen™ Superoxide Dismutase (SOD) Colorimetric Activity Kit

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

ENCOMPASS_PREFERRED
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)
231

Invitrogen™ Human PYY ELISA Kit

ELISA

ENCOMPASS_PREFERRED
Conjugate HRP
Interassay CV <12%
Intraassay CV <10
Gene Symbol Pyy
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 10 ng/mL
Test Time 1 hrs 20 mins
Accession Number GHYY; Peptide tyrosine tyrosine; peptide tyrosine-tyrosine (YY); peptide YY; peptide YY (mapped); Peptide YY(3-36); Peptide YY3-36; Peptide YY3-37; peptide-YY; prepro-PYY; Pyy; PYY II; PYY1; PYY-1; PYY-2; PYYI; PYY-I; PYYII; PYY-II; RATGHYY; Yy
Regulatory Status RUO
Target PYY
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) 5697
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
232

R&D Systems Human IL-6 Quantikine ELISA Kit

For measuring human IL-6 in cell culture supernates, serum, plasma, and urine

Target Human
Specificity Natural and recombinant human IL-6.
Gene ID (Entrez) 3569
Sample Type Cell Culture Supernatant,Serum,Plasma (EDTA),Plasma (Heparin),Urine
Synonym B-cell differentiation factor, B-cell stimulatory factor 2, BSF2, BSF-2, CDF, CTL differentiation factor, HSF, hybridoma growth factor, IFNB2, IFN-beta-2, IL6, IL-6, Interferon beta-2, interleukin 6 (interferon, beta 2), interleukin BSF-2, interleukin-6, MGI-2A
Assay Sensitivity 0.626 pg/mL
Storage Requirements Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Assay Range 3.13 - 300 pg/mL
233

Invitrogen™ Mouse IL-5 Uncoated ELISA Kit

ELISA

EDGE ENCOMPASS_PREFERRED
Regulatory Status RUO
Target IL-5
Content And Storage

Capture Antibody: Pre-titrated, purified antibody Detection Antibody: Pre-titrated, biotin-conjugated antibody Standard: Recombinant protein for generating standard curve and calibrating samples 10 x Coating Buffer: Buffer for plating the Capture Antibody 5 x ELISA/ELISPOT Diluent: Buffer for blocking and diluting the Detection Antibody and Enzyme Enzyme: Pre-titrated Avidin-HRP Substrate: 1 x TMB Solution Certificate of Analysis: Lot-specific instructions for dilution of antibodies and standards 96-well Plate: Corning Costar 9018 (included with product Cat. No. ending in suffixes -22, -76, -86)
Kit Contents Capture Antibody: Pre-titrated,Purified antibody,Detection Antibody: Pre-titrated,Detection Antibody: Pre-titrated,Standard: Recombinant protein for generating standard curve and calibrating samples,Standard: Recombinant protein for generating standard curve and calibrating samples,10X Coating Buffer: Buffer for plating the Capture Antibody,Enzyme: Pre-titrated Avidin-HRP,Substrate: 1X TMB Solution,Substrate: 1X TMB Solution,Certificate of Analysis: Lot-specific instructions for dilution of antibodies and standards
Conjugate HRP
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA
Gene ID (Entrez) 16191
Sample Type Lavage Fluid,Serum,Supernatant
Total Assay Time 24 hrs 30 mins
Sample Volume Lavage Fluid 100 μL, Serum 100 μL, Supernatant 100 μL
Assay Range 4 to 500 pg/mL
Test Time 1 hrs 45 mins
234

Invitrogen™ ProcartaPlex™ Platinum Assay Buffer for Plasma Samples

ProcartaPlex Platinum Assay Buffer for Plasma Samples is used for dilution of plasma samples and gives spike- and dilution-recovery results in the range of 70 to 130%.

EDGE ENCOMPASS_PREFERRED
235

Invitrogen™ SAA Human ProcartaPlex™ Simplex Kit

The Human SAA Simplex ProcartaPlex Kit measures SAA protein and is designed to be combinable with other Simplex kits so that you can create your own multiplex panel that utilizes Luminex xMAP technology for protein detection/quantitation.

EDGE ENCOMPASS_PREFERRED
236

Invitrogen™ ProcartaPlex™ Human Exosome Characterization Panel, 6plex

The ProcartaPlex Human Exosome Characterization Panel 6plex enables the simultaneous detection of six protein targets for the characterization of exosomes using Luminex xMAP technology.

EDGE ENCOMPASS_PREFERRED
237

Invitrogen™ Mouse IFN gamma ELISA Kit

IFN gamma Mouse ELISA Kit

EDGE ENCOMPASS_PREFERRED
Product Type ELISA Kit
238

Invitrogen™ Catalase Colorimetric Activity Kit

Assay Catalase Activity in Serum, Plasma, Cells, Tissues and Erythrocyte Lysates

ENCOMPASS_PREFERRED
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 2–8°C.
For Use With (Equipment) Microplate Reader
Product Type Catalase Colorimetric Activity Kit
Sample Type Plasma,Serum
Target Kit Named Catalase
Detection Method Colorimetric
239

Invitrogen™ ProcartaPlex™ Mouse IFN-alpha/IFN-beta Panel, 2plex

The ProcartaPlex Mouse IFN-alpha/IFN-beta Panel 2plex enables researchers to explore immune function by analyzing 2 protein targets in a single well using Luminex xMAP technology.

EDGE ENCOMPASS_PREFERRED
240

Invitrogen™ ProcartaPlex™ Platinum Assay Buffer for Serum Samples

ProcartaPlex Platinum Assay Buffer for Serum Samples (1X) is used for dilution of serum samples and gives spike- and dilution-recovery results in the range of 70 to 130%.

EDGE ENCOMPASS_PREFERRED