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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。
三碘甲状腺原氨酸又称 T3,是一种甲状腺激素。T3 及其前体甲状腺素(T4)的产生是由脑垂体前叶释放的促甲状腺激素(TSH)激活的。 在细胞水平上,T3 是人体中更活跃、更强效的甲状腺激素。T3 有助于向人体所有细胞输送氧气和能量,其对目标组织的作用大约是 T4 的四倍。T3的半衰期约为2.5天。甲状腺功能亢进症患者体内的游离三碘甲状腺原氨酸(fT3或游离T3)通常会升高,而甲状腺功能减退症患者体内的游离三碘甲状腺原氨酸则会降低。 本试剂盒采用竞争法酶联免疫吸附试验(ELISA)。往预先包被有人游离三碘甲状腺原氨酸(FT3)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人游离三碘甲状腺原氨酸(FT3)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 Human FT3 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 Human FT3 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.