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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。
组织纤维蛋白溶酶原激活剂(tPA)又称PLAT,是一种参与血凝块分解的蛋白质。它是一种丝氨酸蛋白酶,存在于内皮细胞,即血管内的细胞。作为一种酶,它能催化浆蛋白原转化为浆蛋白,这是负责血块分解的主要酶。tPA可以用重组生物技术制造;用这种方法生产的tPA被称为重组组织浆细胞生成素激活剂(rtPA)。具体的rtPAs包括阿替普酶、再普酶和特耐普酶。它们在临床医学上被用来治疗栓塞性或血栓性中风。出血性中风和头部外伤时禁用这种蛋白。在出现毒性的情况下,tPA的解毒剂是氨基己酸。 本试剂盒采用双抗体夹心法酶联免疫吸附试验(ELISA)。往预先包被有人组织纤维蛋白溶酶原激活剂(tPA)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组织纤维蛋白溶酶原激活剂(tPA)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 tPA. 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 tPA 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.