Theophylline derivatives are provided for preparing reagents for use in competitive protein binding assays and for use as reagents in competitive protein binding assays. Theophylline is substituted at the 3 position and conjugated to antigens for production of antibodies which specifically recognize theophylline as distinct from structurally similar analogs such as caffeine. Enzyme conjugates are provided which find use for measuring the amount of theophylline in a sample suspected of containing theophylline. A method is provided employing the reagents for the determination of theophylline.
用于制备竞争性蛋白质结合
分析试剂和用作竞争性蛋白质结合
分析试剂的茶碱衍
生物。茶碱在3位被取代并偶联到抗原上,用于产生特异性识别茶碱并与结构上类似的类似物如
咖啡因区分开来的
抗体。提供了酶偶联物,用于测量疑似含有茶碱的样品中茶碱的量。提供了一种使用这些试剂来确定茶碱的方法。