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Invitrogen™ Human TNF alpha Uncoated ELISA Kit

Catalog No. 501128921
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Quantity:
10 x 96 Tests
20 x 96 Tests

ELISA

The Human Tumor Necrosis Factor Alpha (TNF-α) Uncoated ELISA Kit contains pre-matched antibody pairs,and reagents for performing quantitative enzyme linked immunosorbent assays (ELISA) to detect and quantify protein levels of human TNF-α. Wash Buffer and Stop Solution are needed to complete the ELISA reaction and are sold separately. Principle of the method ELISAs are designed to measure the amount of the target bound between a matched antibody pair. A target-specific antibody is coated to the bottom of the wells of a microplate,which is an overnight process. Samples,standards,or controls are then added into these wells and bind to the immobilized (capture) antibody. A sandwich is formed by the addition of the second (detector) antibody,a substrate solution is added that reacts with the enzyme-antibody-target complex to produce measurable signal. The intensity of this signal is directly proportional to the concentration of target present in the original specimen.

TNF alpha is a multifunctional proinflammatory cytokine that belongs to the tumor necrosis factor (TNF) superfamily. This cytokine is mainly secreted by macrophage and bind to its receptors, TNFRSF1A/TNFR1 and TNFRSF1B/TNFBR. TNF alpha is involved in the regulation of immune cells, cell proliferation, differentiation, apoptosis, lipid metabolism, and coagulation. TNF alpha exists as a multimer of two, three, or five noncovalently linked units, but shows a single 17 kDa band following SDS-PAGE under non-reducing conditions. Knockout studies in mice also suggested the neuroprotective function of TNF alpha, and has been observed to causes tumor necrosis when injected into tumor-bearing mice. Other functions of TNF-alpha include its role in the immune response to bacterial, viral, parasitic and certain fungal infections, as well as its role in the necrosis of specific tumors. TNF alpha causes cytolysis or cytostasis of certain transformed cells, being synergistic with interferon-gamma in its cytotoxicity. This cytokine has been implicated in a variety of diseases, including autoimmune diseases, insulin resistance, and cancer.
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Specifications

Accession Number P01375
Assay Range 4 to 500 pg/mL
Assay Sensitivity 4 pg/mL
Conjugate HRP
Product Type ELISA
Sample Type Plasma, Serum, Supernatant
Target Species Human
For Use With (Application) ELISA
For Use With (Equipment) Colorimetric Microplate Reader
Gene ID (Entrez) 7124
Gene Symbol CANDF6,IL-17 F,ML-1,ML1
Kit Contents Capture Antibody: Pre-titrated, Purified antibody, Detection Antibody: Pre-titrated, Biotin-conjugated antibody, Standard: Recombinant cytokine for generating standard curve and calibrating samples, ELISA/ELISPOT Coating Buffer Powder: This uncoated ELISA kit may contain ELISA/ELISPOT Coating Buffer Powder (Reconstitute to 1L with dH20 and filter (0.22 μM)) or 10X PBS ELISA Coating Buffer (Dilute 1 part 10X Buffer into 9 parts dH20)., Assay Diluent: 5X concentrated, Detection enzyme: Pre-titrated Streptavidin-HRP Concentrate (100X), Substrate Solution: Tetramethylbenzidine (TMB) Substrate Solution, Certificate of Analysis: Lot-specific instructions for dilution of antibodies and standards, 96 Well Plate: High affinity 96-well plate (included with product Cat. Nos. ending in suffixes -22, -76, -86)
Label or Dye HRP
Quantity 10 x 96 Tests
Regulatory Status RUO
Sample Volume Plasma 100 μL, Serum 100 μL, Supernatant 100 μL
Storage Requirements 2°C to 8°C
Synonym Tumor Necrosis Factor alpha, tnf-a, tnf-alpha
Target TNF alpha
Test Time 1 hrs 45 mins
Total Assay Time 24 hrs 30 mins
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