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    • 1. 发明授权
    • Antibody complexes and methods for immunolabeling
    • 抗体复合物和免疫标记方法
    • US08323903B2
    • 2012-12-04
    • US10118204
    • 2002-04-05
    • Robert A. ArcherJoseph M. BeechemDavid C. HagenRichard P. HauglandRosaria P. Haugland
    • Robert A. ArcherJoseph M. BeechemDavid C. HagenRichard P. HauglandRosaria P. Haugland
    • G01N33/53
    • B82Y30/00B82Y5/00B82Y10/00G01N33/53G01N33/58G01N33/6857
    • The present invention provides novel immunolabeling complexes and certain components of such complexes, as well as methods of preparing and using such complexes, and kits for use in preparing labeling proteins and for immunolabeling. The pre-formed immunolabeling complexes of the invention comprise both a target-binding antibody and a labeling protein that contains covalently attached labels, where the labeling protein binds selectively and with high affinity to a selected region of the target-binding antibody. Novel labeling proteins of the invention include non-antibody peptides and proteins, such as a complex of protein G and a labeled albumin, and monovalent antibody fragments, such as labeled Fab fragments of an anti-Fc antibody. In methods of the invention, the preformed immunolabeling complexes are added to the sample alone or in combination, for purposes of labeling and optionally detecting the target of interest.
    • 本发明提供了新的免疫标记复合物和这些复合物的某些成分,以及制备和使用这些复合物的方法,以及用于制备标记蛋白和免疫标记的试剂盒。 本发明的预先形成的免疫粘附复合物包含靶结合抗体和含有共价连接的标记的标记蛋白,其中所述标记蛋白选择性地结合并且与靶结合抗体的选定区域具有高亲和力。 本发明的新型标记蛋白包括非抗体肽和蛋白质,例如蛋白G和标记的白蛋白的复合物,以及单价抗体片段,例如抗Fc抗体的标记的Fab片段。 在本发明的方法中,为了标记和任选地检测目的靶标,将预先形成的免疫标记复合物单独或组合加入到样品中。