Protein Labelling with Versatile Phosphorescent Metal Complexes for Live Cell Luminescence Imaging
作者:Timothy U. Connell、Janine. L. James、Anthony R. White、Paul S. Donnelly
DOI:10.1002/chem.201501630
日期:2015.9.28
transition metalcomplexes to labelproteins, versatile bifunctional ligands were prepared. Ligands that contain a 1,2,3‐triazole heterocycle were synthesised using CuI catalysed azide–alkyne cycloaddition “click” chemistry and were used to form phosphorescent IrIII and RuII complexes. Their emission properties were readily tuned, by changing either the metal ion or the co‐ligands. The complexes were tethered
为了利用d 6过渡金属配合物的发光特性来标记蛋白质,制备了通用的双功能配体。含有1,2,3-三唑杂环的配体是使用Cu I催化的叠氮化物-炔烃环加成“点击”化学反应合成的,并用于形成磷光的Ir III和Ru II配合物。通过改变金属离子或共配体,可以轻松调节它们的发射特性。使用几种缀合策略将复合物束缚到金属蛋白转铁蛋白上。Ir III / Ru II–可以使用活细胞成像技术在癌细胞中长时间观察蛋白偶联物,而不会发生显着的光漂白。这些通用的磷光蛋白质标记剂可广泛应用于其他蛋白质和生物分子,并且是常规有机荧光团的有用替代品,可用于多种应用。