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Item number | Size | Datasheet | Manual | SDS | Delivery time | Quantity | Price |
---|---|---|---|---|---|---|---|
T9160-01.96 | 96 tests | - | - |
3 - 19 business days* |
1,022.00€
|
If you have any questions, please use our Contact Form.
You can also order by e-mail: info@biomol.com
Larger quantity required? Request bulk
You can also order by e-mail: info@biomol.com
Larger quantity required? Request bulk
Tumor Necrosis Factor alpha (TNF-a), also known as cachectin was initially named for its... more
Product information "Tumor Necrosis Factor alpha, Human (TNFa) BioAssay ELISA Kit"
Tumor Necrosis Factor alpha (TNF-a), also known as cachectin was initially named for its remarkable ability to cause hemorrhagic necrosis of tumors in mice. The TNF-a gene located on chromosome 6 encodes a 233aa prohormone bound to the plasma membrane, with the mature form (157aa, 17kD) exposed on the extracellular surface. Soluable, mature TNF-a is released upon cleavage of the C-terminal. The primary source in vivo of TNF-a is thought to be the monocyte/macrophage but various cell types are known to express this cytokine such as lymphocytes, basophils, eosinophils, mast cells, NK cells, T cells, B cells, kerantinocytes, Kupffer cells, astrocytes, and some types of tumors. TNF-a is produced upon stimulation with cytokines such as IL-1, 1L-2, GM-CSF, TNF-a itself and with bacterial lipopolysaccharide (LPS) which is a potent inducer. TNF-a once produced and secreted will bind to TNF-a pleiotropic cytokine that can induce disease through TNF-a toxicity (tissue injury, catabolic illness, and mediating shock) and improve host defence mechanisms (stimulating inflammation and increasing immune cell function). In the future, therapies may be developed by blocking TNF-a harmful effects and enhancing TNF-a beneficial effects. This TNF-a enzyme linked immunosorbent assay (ELISA) applies a technique called a quantitative sandwich immunoassay. The microtiter plate provided in this kit has been pre-coated with a monoclonal antibody specific to TNF-a. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated polyclonal antibody preparation specific for TNF-a and incubated. TNF-a if present, will bind and become immobilized by the antibody pre-coated on the wells and then be "sandwiched" by biotin conjugate. In order to measure the concentration of TNF-a in the samples, this kit includes two calibration diluents (Calibrator Diluent I for serum/plasma testing and Calibrator Diluent II for cell culture supernatant testing.) According to the testing system, the provided standard is diluted (2-fold) with the appropriate Calibrator Diluent and assayed at the same time as the samples. This allows the operator to produce a standard curve of Optical Density (O.D) versus TNF-a concentration (pg/ml). The concentration of TNF-a in the samples is then determined by comparing the O.D. of the samples to the standard curve. , Sensitivity: , Calibrator Diluent I: 2.4pg/ml, Calibrator Diluent II: 2.4pg/ml, Range: 15.625-1000pg/ml, Kit Components: T9160-01A: TNFa Microtiter plate, 1x96 wells , T9160-01B: Pab (Biotin) 1x 7ml , T9160-01C: Avidin (HRP) 1x12ml , T9160-01D: TNF-a Standard, 2x1vial, T9160-01E: Calibrator Diluent I, 1x22ml, T9160-01F: Calibrator Diluent II ,1x22ml , T9160-01G: Wash Buffer, 20X 1x60ml , T9160-01H: Substrate, A 1x11ml , T9160-0J: Substrate B, 1x11ml, 1T9160-01K: Stop Solution, 1x14ml 2N Sulphuric Acid (H2SO4). Storage and Stability: Store kit components at 4°C except *T9160-01D. Stable for 6 months. Store T9160-01D lyophilized powder at 4°C. Store reconstituted stock at -20°C for <30 days. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.
Keywords: | TNF, TNFA |
Supplier: | United States Biological |
Supplier-Nr: | T9160-01 |
Properties
Application: | ELISA |
Format: | Solid Phase |
Database Information
KEGG ID : | K03156 | Matching products |
UniProt ID : | P01375 | Matching products |
Gene ID | GeneID 7124 | Matching products |
Handling & Safety
Storage: | vT |
Shipping: | +4°C (International: +4°C) |
GHS Hazard Pictograms: |
|
H Phrases: | H301, H311, H312, H315, H319, H331, H332 |
Caution
Our products are for laboratory research use only: Not for administration to humans!
Our products are for laboratory research use only: Not for administration to humans!
Information about the product reference will follow.
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