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ELISA Insulin (INS)

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Reactivity: (Homo sapiens) UniProt:P01308 Abbreviation:INS Alternative Names:ILPR; IRDN; OTTHUMP00000011162|OTTHUMP00000196038|proinsµLin Application:ELISA Range:61.7-5000 pg/mL Sensitivity:27.1 pg/mL Intra-AssayCV:?3.4% Inter-AssayCV:?6.9% Recovery:0.83 Sample Type:Serum, Plasma, Other biological fluids Detection Method:Sandwich Analysis Method??:Quantitive Test principle:This assay employs a two-site sandwich ELISA to quantitate INS in samples. An antibody specific for INS has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyINS present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjµgated antibody specific for INS is added to the wells. After washing, Streptavidin conjµgated 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 INS bound in the initial step. The color development is stopped and the intensity of the color is measured. Product Overview:InsµLin is a polypeptide hormone originating in the beta cells of the pancreas and serving as a principal regµLator for the storage and production of carbohydrates. Its secretion is normally stimµLated by increases in the amount of glucose in circµLation. This leads to higher insµLin levels and more rapid tissueassimilation of glucose followed by a decline in the insµLin level as the glucose level subsides. In a number of conditions, notably insµLinoma and diabetes, this relationship is impaired. InsµLin tends to circµLate at inappropriately high levels in patients with insµLin-secreting pancreatic tumors; such tumors can thus be a cause of hypoglycemia. Accordingly, insµLin immunoassays used sometimes in connection with provocative doses of tolbutamide or calcium play an essential role in the identification (and localization) of insµLinomas. Stability:The stability of ELISA kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition. The loss rate was determined by accelerated thermal degradation test. Keep the kit at 37°C for 4 and 7 days, and compare O.D.values of the kit kept at 37°C with that of at recommended temperature. (referring from China Biological Products Standard, which was calcµLated by the Arrhenius equation. For ELISA kit, 4 days storage at 37°C can be considered as 6 months at 2 - 8°C, which means 7 days at 37°C equaling 12 months at 2 - 8°C).

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