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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。
脂蛋白a(Lp-α)是一种低密度脂蛋白变体,含有一种叫做脂蛋白(a)的蛋白质。遗传学和流行病学研究已经确定脂蛋白(a)是动脉粥样硬化和相关疾病(如冠心病和中风)的一个风险因素。它是由Kåre Berg在1963年发现的。它由类似低密度脂蛋白的颗粒和特定的脂蛋白(a)组成,脂蛋白(a)与包含在颗粒外壳的apoB共价结合。它的血浆浓度具有高度的遗传性,主要由位于染色体6q26-27的脂蛋白基因控制。 本试剂盒采用双抗体夹心法酶联免疫吸附试验(ELISA)。往预先包被有人脂蛋白α(Lp-α)捕获抗体的微孔中,依次加入样本、标准品、生物素标记的检测抗体,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人脂蛋白α(Lp-α)呈正相关。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 sandwich enzyme-linked immunosorbent assay (ELISA) principle. Microplate wells are pre-coated with a capture antibody specific to Human Lp-α. Following this, the sample, standards, a biotin-conjugated detection antibody, and an HRP (horseradish peroxidase)-labeled conjugate are added sequentially to the wells. The procedure involves incubation and wash steps between each addition. For detection, TMB substrate is used. TMB yields a blue color in the presence of the peroxidase activity of HRP. The reaction is then stopped with an acid solution, which converts the blue color to a final yellow color. The intensity of the yellow color is directly proportional to the concentration of Human Lp-α present in the sample. The optical density (OD) is measured at a wavelength of 450 nm using a microplate reader. Finally, the concentration of the target analyte in the sample is calculated based on the standard curve generated from the standards.