- 中文名称
Parathyroid Hormone, intact (PTHi) BioAssay ELISA Kit
- 英文名字
- Parathyroid Hormone, intact (PTHi) BioAssay ELISA Kit
- 供应商
- USBiological
- 产品货号
- 167563
- 产品报价
- ¥1/96Tests

- 产品说明书
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- 产品新闻

- 背景资料
- USBiological品牌是全球有名的抗原抗体和生化试剂供应商,生产世界上种类最多的抗体,用于Western Blot、免疫沉淀、免疫荧光、免疫组化和流式细胞术等多种检测方法。武汉艾美捷科技作为USBiological品牌中国区域总代理,是行业中少有的致力于服务客户,帮助客户,且拥有独立的专业销售团队、技术支持团队、市场营销团队、进出口报关团队的高科技生物企业。可以为您提供及时的咨询响应,专业的产品和解决方案支持,稳健快捷的交货周期,优质放心的售后服务。我们致力于为您提供有价值的产品和服务,在意您的成功!
- 产品描述
- PTH (Parathyroid hormone, Parathormone, Parathyrin) is biosynthesized in the parathyroid gland as a pre- proparathyroid hormone, a larger molecular precursor consisting of 115 amino acids. Following sequential intracellular cleavage of a 25-amino acid sequence, preproparathyroid hormone is converted to an intermediate, a 90-amino acid polypeptide, proparathyroid hormone. With additional proteolytic modification, proparathyroid hormone is then converted to parathyroid hormone, an 84 amino acid polypeptide. In healthy individuals, regulation of parathyroid hormone secretion normally occurs via a negative feedback action of serum calcium on the parathyroid glands. Intact PTH is biologically active and clears very rapidly from the circulation with a half-life of less than four minutes1. PTH undergoes proteolysis in the parathyroid glands, but mostly peripherally, particularly in the liver but also in the kidneys and bone, to give N-terminal fragments and longer lived C-terminal and mid-region fragments. In subjects with renal insufficiency, C-terminal and mid- region PTH assays typically give elevated PTH results, as reflected by impaired renal clearance2.Intended Use:The Intact-PTH ELISA is intended for the quantitative determination of Intact-PTH (Parathyroid Hormone) in human serum. This assay is intended for in vitro diagnostic use.Principle of the Test:The Intact PTH Immunoassay is a two-site ELISA [Enzyme-Linked ImmunoSorbent Assay] for the measurement of the biologically intact 84 amino acid chain of PTH. Two different goat polyclonal antibodies to human PTH have been purified by affinity chromatography to be specific for well defined regions on the PTH molecule. One antibody is prepared to bind only the mid-region and C-terminal PTH and this antibody is biotinylated.Streptavidin Well – BiotinylatedAnti-PTH (39-84) --Intact PTH -- HRP conjugated Anti-PTH (1-34)The other antibody is prepared to bind only the N-terminal PTH 1-34 and this antibody is labeled with horseradish peroxidase [HRP] for detection.Although mid-region and C-terminal fragments are bound by the biotinylated anti-PTH (39-84), only the intact PTH 1-84 forms the sandwich complex necessary for detection. The capacity of the biotinylated antibody and the streptavidin coated microwell both have been adjusted to exhibit negligible interference by inactive fragments, even at very elevated levels.In this assay, calibrators, controls, or patient samples are simultaneously incubated with the enzyme labeled antibody and a biotin coupled antibody in a streptavidin-coated microplate well. At the end of the assay incubation, the microwell is washed to remove unbound components and the enzyme bound to the solid phase is incubated with the substrate, tetramethylbenzidine (TMB). An acidic stopping solution is then added to stop the reaction and converts the color to yellow. The intensity of the yellow color is directly proportional to the concentration of intact PTH in the sample. A dose response curve of absorbance unit vs. concentration is generated using results obtained from the calibrators. Concentrations of intact PTH present in the controls and patient samples are determined directly from this curve.Detection Range: QuantitativeSpecificity: 100%Sensitivity: 1.72pg/mlTotal Time: 3 hours 40 minKit Components: Microtiter Plate, 1x96wellsReagent 1, Biotinylated PTH Antibody, 1x7mlReagent 2, Peroxidase labeled PTH Antibody, 1x7mlReagent 3, Diluent (Equine Serum), 1x2mlReagent 4, Reconstitution Soultion, 1x5mlReagent A, ELISA Wash Concentrate, 1x30mlReagent B, TMB Substrate, 1x20mlCalibrators A-F, 1x500ul per levelControl 1, 1x500ulControl 2, 1x500ulStorage and Stability:Store all components at 4°C. Stable for 6 months. Reconstituted calibrators and controls should be used as soon as reconstituted. Freeze at -20ºC as soon as possible after use. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
- 产品特点
- 针对Parathyroid Hormone, intact (PTHi) BioAssay ELISA Kit该产品的特点优势,欢迎查阅官网提供的产品说明书。
- 保存建议
- 建议收到Parathyroid Hormone, intact (PTHi) BioAssay ELISA Kit产品后将其置于4°C保存。
- 其他
- Usbiological公司是美国著名的抗体和生化试剂供应商,生产世界上种类最多的抗体,用于Western Blot、免疫沉淀、免疫荧光、免疫组化和流式细胞术等多种检测方法。Usbiological公司现已拥有超过50,19234种抗体、抗原和生化产品,为科研用户提供了诸多超值选择。
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- 注意
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