计算溶液所需的质量、体积或浓度。
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。
在原胶原蛋白向胶原蛋白的细胞外转化过程中,原胶原蛋白前肽,即原胶原蛋白I型羧基端前肽(PICP)和原胶原蛋白I型氨基端前肽(PINP),被释放到循环中。I型胶原蛋白是由两条相同的α1(I)多肽链和一条α2(I)多肽链组成的三聚体,是骨基质的主要蛋白质(90%)。它是由成骨细胞合成的前体,并分泌到细胞外空间,在那里它经历了一系列翻译后的修饰,包括由特定的蛋白酶裂解的前肽。前肽被释放到循环中,新形成的胶原蛋白分子组装成纤维状。 本试剂盒采用双抗体夹心法酶联免疫吸附试验(ELISA)。往预先包被有大鼠Ⅰ型前胶原(PCⅠ)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大鼠Ⅰ型前胶原(PCⅠ)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 Rat PCⅠ. 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 Rat PCⅠ 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.