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BioReagent 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
胰多肽(PP)是由 PP 细胞在胰腺内分泌的多肽。它调节胰腺分泌活动,还影响肝糖原储存和胃肠道分泌。其分泌可能受到某些内分泌肿瘤的影响。PPY基因编码一种异常短的蛋白质前体。该前体被切割以产生胰腺多肽,胰腺二肽和 5-至 7-氨基酸寡肽。它是由胰腺胰岛的 PP 细胞(也称为γ细胞或 F 细胞)合成和分泌的。这些主要存在于胰腺的头部。 本试剂盒采用竞争法酶联免疫吸附试验(ELISA)。往预先包被有小鼠胰多肽(PP)抗原的微孔中,依次加入样本、标准品、Biotin标记的抗体,HRP酶结合物,中间经过温育和洗涤,用底物TMB显色,TMB在过氧化物酶(HRP)的催化下转化成蓝色,并在酸的作用下转化成最终的黄色。颜色的深浅和样本中的小鼠胰多肽(PP)呈负相关。用酶标仪在450nm波长下测定吸光度(OD值),计算样本浓度。
This kit employs the competitive enzyme-linked immunosorbent assay (ELISA) principle. Microplate wells are pre-coated with Mouse PP antigen. The sample, standards, a biotin-labeled antibody, and an HRP enzyme conjugate are then added sequentially to the wells. The procedure includes incubation and wash steps between each addition. TMB substrate is used for color development. In the presence of the peroxidase (HRP) enzyme, TMB is catalyzed to produce a blue color, which is then converted into a final stable yellow color upon the addition of an acid stop solution. The intensity of the resulting yellow color is inversely proportional to the concentration of Mouse PP in the sample. The optical density (OD) is measured at a wavelength of 450 nm using a microplate reader, and the concentration of the target analyte in the sample is calculated based on the standard curve.