Human Tumor Necrosis Factor α (TNF-α) ELISA Kit | KTE60201

Product Overwiew:

This Human Tumor Necrosis Factor α (TNF-α) ELISA Kit employs a two-site sandwich ELISA to quantitate TNF-α.

Background:

TNFa is synthesized as a 26 kDa, type II transmembrane protein that is 233 amino acids in length. It contains a 30 amino acid (aa) cytoplasmic domain, a 26 aa transmembrane segment, and a 177 aa extracellular region. TNFa is assembled intracellularly to form a transmembrane, non-covalently-linked homotrimeric protein. The 157 aa residue soluble form of TNFa (sTNF-αis released from the C-terminus of the transmembrane protein through the activity of TNFa-converting enzyme (TACE), a membrane -bound disintegrin metalloproteinase. Rat cells known to express TNF-αinclude B cells, colonic columnar epithelial cells, NK and CD3 CD56 hepatic natural T cells, macrophages, monocytes and monocyte-derived dendritic cells, CD4 and CD8 T cells, mast cells, neutrophils, keratinocytes, plasma cells, and adipocytes.

Host:

N/A

Sequence:

N/A

Reactivity:

Human

Application:

This Human Tumor Necrosis Factor α (TNF-α) ELISA Kit employs a two-site sandwich ELISA to quantitate TNF-α in samples. An antibody specific for TNF-α has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyTNF-α present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for TNF-α is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of TNF-α bound in the initial step. The color development is stopped and the intensity of the color is measured.

Used for:

ELISA

Kit components:

• Human Tumor Necrosis Factor α microplate
• Human Tumor Necrosis Factor α standard
• Human Tumor Necrosis Factor α detect antibody
• Streptavidin-HRP
• Standard diluent
• Assay buffer
• HRP substrate
• Stop solution
• Wash buffer
• Plate covers

Features & Benefits:

Human Tumor Necrosis Factor α (TNF-α) ELISA Kit has high sensitivity and excellent specificity for detection of Human TNF-α. No significant cross-reactivity or interference between Human TNF-α and analogues was observed.

Usage Notes:

• Do not mix components from different kit lots or use reagents beyond the kit expiration date.
• Allow all reagents to warm to room temperature for at least 30 minutes before opening.
• Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.
• Unused wells must be kept desiccated at 4 °C in the sealed bag provided.
• Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.
• It is recommended that all samples and standards be assayed in duplicate or triplicate.

Storage buffer:

N/A

Storage instructions:

The unopened kit should be stored at 2 - 8°C. After opening, please store refer to protocols.

Shipping:

Gel pack with blue ice.

Precaution:

The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.