Luminescent Polypyridinerhenium(I) Bis‐Biotin Complexes as Crosslinkers for Avidin
作者:Man‐Wai Louie、Marco Ho‐Chuen Lam、Kenneth Kam‐Wing Lo
DOI:10.1002/ejic.200900518
日期:2009.10
Two novel luminescent polypyridinerhenium(I) bis-biotin complexes [Re(NN)(CO)3(pyridine)](CF3SO3) NN = 4,4′-bis[2-(biotinamido)ethyl]aminocarbonyl}-2,2′-bipyridine, bpyC2B2 (1), 4,4′-bis[(2-[6-(biotinamido)hexanoyl]amino}ethyl)aminocarbonyl]-2,2′-bipyridine, bpyC2C6B2 (2)} and their biotin-free counterpart [NN = 4,4′-bis(n-butylaminocarbonyl)-2,2′-bipyridine, bpyC4 (3)] have been synthesized and characterized
两种新型发光聚吡啶铼(I)双生物素复合物 [Re(NN)(CO)3(pyridine)](CF3SO3) NN = 4,4'-bis[2-(biotinamido)ethyl]aminocarbonyl}-2, 2'-联吡啶、bpyC2B2 (1)、4,4'-双[(2-[6-(biotinamido)己酰基]氨基}乙基)氨基羰基]-2,2'-联吡啶、bpyC2C6B2(2)}及其已合成并表征了不含生物素的对应物 [NN = 4,4'-双(正丁基氨基羰基)-2,2'-联吡啶,bpyC4 (3)]。辐照后,所有配合物在室温下的流体溶液和 77 K 的酒精玻璃中均表现出三线态金属-配体电荷转移 (3MLCT) 发射。研究了双生物素配合物 1 和 2 的抗生物素蛋白结合特性通过 4'-羟基偶氮苯-2-羧酸 (HABA) 测定、发射滴定和解离测定。已使用亲和素包被的微球和其中一种复合物证明了复