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    • 8. 发明授权
    • Chemiluminescent energy transfer conjugates and their uses as labels in
binding assays
    • 化学发光能量转移共轭物及其用作结合测定中的标记物
    • US6165800A
    • 2000-12-26
    • US86003
    • 1998-05-27
    • Qingping JiangJun XiAnand NatrajanDavid SharpeMarcus BaumannRolf HilfikerErika SchmidtPaul SennFritz ThommenAdrian WaldnerAlex AlderSay-Jong Law
    • Qingping JiangJun XiAnand NatrajanDavid SharpeMarcus BaumannRolf HilfikerErika SchmidtPaul SennFritz ThommenAdrian WaldnerAlex AlderSay-Jong Law
    • C09B11/04C09B15/00C09K11/07G01N33/533G01N33/542G01N33/58C07D227/00G01N33/553
    • C09B15/00C09B11/04G01N33/533G01N33/542G01N33/582Y10S436/80Y10S436/816Y10S436/817
    • A new class of chemiluminescent acridinium or benzacridinium compounds is disclosed by virtue of forming an intramolecular energy transfer conjugate (ETC) between the acridinium or benzacridinium compound and a luminophore. A method of extending the emission wavelengths of acridinium or benzacridinium esters in order to further reduce or eliminate the emission spectral overlap between the parent polysubstituted aryl Acridinium Esters (DMAE) and Benzacridinium Esters (LEAE) is disclosed. The ETC's retain the unique desired properties of acridinium or benzacridinium compounds including complete light emission in very short period of time, monophasic emission spectrum, simplicity of triggering mechanism, ability of labeling the biological molecules of interest to form a tracer, and good stability. Additionally, the range of the emission spectrum of an acridinium or benzacridinium compound can now be shifted at will and at longer leap through the choice of a luminophore as the integral part of an ETC molecule. Disclosed are chemiluminescent labeled conjugates comprising an acridinium or benzacridinium moiety covalently attached to a luminophore via a spacer, said moiety further conjugated to a biological molecule of interest, wherein said spacer is of an appropriate length to allow the excited species generated from said moiety to transfer energy efficiently to said luminophore, resulting in the emission of light in the spectral region of said luminophore. Also disclosed are binding assays using said conjugates, test kits comprising said conjugates and methods of preparing the conjugates.
    • 通过在吖啶鎓或苯并吖啶鎓化合物和发光体之间形成分子内能量转移缀合物(ETC),公开了一类新的化学发光吖啶鎓或苯并吖啶鎓化合物。 公开了延长吖啶鎓或苯并吖啶酯的发射波长以进一步减少或消除母体多取代芳基吖啶酯(DMAE)和苯并吖啶酯(LEAE)之间的发射光谱重叠的方法。 ETC保留吖啶鎓或苯并吖啶鎓化合物独特的所需性质,包括在很短的时间内完全发光,单相发射光谱,触发机制简单,标记生物分子的能力,形成示踪剂,以及良好的稳定性。 此外,吖啶鎓或苯并吖啶鎓化合物的发射光谱的范围现在可以随意移动,并且通过选择发光体作为ETC分子的组成部分而更长的跨越。 公开了化学发光标记的缀合物,其包含通过间隔基共价连接到发光体的吖啶鎓或苯并吖啶鎓部分,所述部分还与感兴趣的生物分子缀合,其中所述间隔物具有适当长度以允许从所述部分产生的激发物质转移 能量有效地发送到所述发光体,导致发光在所述发光体的光谱区域。 还公开了使用所述缀合物的结合测定法,包含所述缀合物的测试试剂盒和制备缀合物的方法。