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Immunoassay Reagents and Kits

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 (10,857)
ELISA Substrates and Reagents (1,222)
Singleplex and Multiplex Bead Based Immunoassays (853)

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1 – 15 of 10,128 results
1

Invitrogen™ Cell Extraction Buffer

Suitable for use in ELISA and Western blotting

Promotions are available
EDGE
2

Invitrogen™ IL-6 Human ELISA Kit

Measure levels of human interleukin-6 in human serum, plasma (EDTA, heparin, sodium citrate), urine and culture supernatant samples using 96-well plates.

Promotions are available
EDGE
Measurement Absorbance at 450nm minus absorbance at 550nm
Immunoassay Kit Format Colorimetric ELISA (TMB substrate) with Plates
Specificity No significant cross-reaction with with human IL-1a, IL-1ß, IL-2, IL-3, IL-4, IL-5, IL-7, IL-8, IL-10, IL-12, TNFa, IFNg, IFNa, GM-CSF, or mouse IL-6
Description Human IL-6 ELISA Kit
Precision Intra-assay CV <10%; inter-assay CV <10%
Total Assay Time 3 hr.
3

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.

Promotions are available
EDGE
4

Invitrogen™ VEGF Human ELISA Kit

Quantifies natural or recombinant human Vascular Endothelial Growth Factor (VEGF) in serum, plasma, buffered solution, or cell culture medium

Promotions are available
EDGE
Target Species Human
Conjugate Biotin
Interassay CV 8.1%
Intraassay CV 4.7%
Incubation Time 4 hr.
Gene Symbol MVCD1,VEGF,VPF
Total Assay Time 4 hr.
Sample Volume Plasma, 50 μL; Serum, 50 μL; Supernatant, 50 μL
Assay Sensitivity <5 pg/mL
Storage Requirements 2°C to 8°C
Assay Range 23.4-1500 pg/mL
Marker Gene VEGF
For Use With (Application) Colorimetric Detection
Test Time 1 hr. 20 min.
Accession Number P15692
Regulatory Status RUO
Target Human
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
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA Kit
Gene ID (Entrez) 7422
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
5

Invitrogen™ Glucose Colorimetric Detection Kit

Assay Glucose levels in Serum, Plasma, Urine, Buffers and Tissue Culture Media.

Promotions are available
Shipping Condition Approved for shipment on Wet or Dry Ice
Immunoassay Kit Format Colorimetric Detection Kit
Content And Storage 96-well plate(s), standard, other assay specific reagents, buffers, and lot-specific technical data sheet.

Store at –20°C.
For Use With (Equipment) Microplate Reader
Product Type Glucose Colorimetric Detection Kit
Gene ID (Entrez) Non-Gene
Sample Type Other Biological Fluids,Plasma,Serum
Gene Symbol Non-Gene
Target Kit Named Glucose
Detection Method Colorimetric
6

Invitrogen™ Catalase Colorimetric Activity Kit

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

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
7

Invitrogen™ Cortisol Competitive Human ELISA Kit

Competitive ELISA

Promotions are available
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.
Assay Sensitivity 17.3 pg/mL
Storage Requirements -20°C
Research Discipline Inflammation
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 Human
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA Kit
Sample Type Fecal Extract,Plasma,Saliva,Serum,Supernatant,Urine
Label or Dye HRP
8

Invitrogen™ Human IL-35 ELISA Kit

For the quantitative detection of Human IL-35

9

Invitrogen™ Thyroxine (T4) Competitive ELISA Kit

Competitive ELISA

Promotions are available
Target Species Human
Conjugate HRP
Description Thyroxine (T4) Competitive ELISA Kit
Interassay CV 7%
Intraassay CV 3%
Total Assay Time 1 hr. 30 min.
Assay Sensitivity 0.29 ng/mL
Storage Requirements -20°C
Research Discipline Metabolism
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 Chemical
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA Kit
Sample Type Fecal Extract,Plasma,Serum,Supernatant,Urine
Label or Dye HRP
10

Invitrogen™ Triiodothyronine (T3) Competitive ELISA Kit

Competitive ELISA

Target Species Human
Conjugate HRP
Description Triiodothyronine (T3) Competitive ELISA Kit
Interassay CV 13.4%
Intraassay CV 6.3%
Total Assay Time 2 hr. 30 min.
Assay Sensitivity 37.4 pg/mL
Storage Requirements -20°C
Research Discipline Metabolism
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 Chemical
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA Kit
Sample Type Fecal Extract,Plasma,Serum,Supernatant,Urine
Label or Dye HRP
11

Invitrogen™ IL-6 Human ELISA Kit

Key cytokine with actions in immune response

Target Species Human
Conjugate Biotin
Interassay CV 7.9%
Intraassay CV 6.2%
Gene Symbol BSF-2,BSF2,CDF,HGF,HSF,IFN-beta-2,IFNB2,IL-6
Total Assay Time 3 hr.
Sample Volume Plasma, 100 μL; Serum, 100 μL; Supernatant, 100 μL
Assay Sensitivity <2 pg/mL
Storage Requirements 2°C to 8°C
Assay Range 7.8-2500 pg/mL
For Use With (Application) Colorimetric
Test Time 1 hr. 20 min.
Accession Number P05231
Regulatory Status RUO
Target Human
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
Precision <2pg/mL
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA Kit
Gene ID (Entrez) 3569
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
12

Invitrogen™ IL-8 Human ELISA Kit

Designed to detect and quantify the level of human IL-8 in serum, plasma, and supernatant using 96-well plates and a microplate reader

Promotions are available
Target Species Human
Conjugate Biotin
Interassay CV 6.1%
Intraassay CV 3.9%
Gene Symbol GCP-1,GCP1,IL8,LECT,LUCT,LYNAP,MDNCF,MONAP,NAF,NAP-1,NAP1
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°C to 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 Human
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
Precision <5pg/mL
For Use With (Equipment) Colorimetric Microplate Reader
Product Type ELISA Kit
Gene ID (Entrez) 3576
Sample Type Plasma,Serum,Supernatant
Label or Dye HRP
13

Invitrogen™ Urea Nitrogen (BUN) Colorimetric Detection Kit

Assay Urea Nitrogen (BUN) levels in Serum, Plasma, Urine, Saliva and Tissue Culture Media.

Promotions are available
EDGE
Shipping Condition Approved for shipment on Wet or Dry Ice
Immunoassay Kit Format Colorimetric Detection Kit
Content And Storage 96-well plate(s), standard, other assay specific reagents, buffers, and lot-specific technical data sheet.

Store at 2–8°C.
For Use With (Equipment) Microplate Reader
Gene ID (Entrez) Non-Gene
Gene Symbol Non-Gene
Target Kit Named Urea Nitrogen (BUN)