申请人:Cambridge Enterprise Limited
公开号:US07674918B2
公开(公告)日:2010-03-09
A fluorescent dye comprising a xanthene-derived fluorophore having the formula (I) wherein R1, R2, R3, R4, R5 and R6 are independently selected from H, alkyl, alkoxy, alcohol, ether, alkenyl, alkenoxy, aryl, alkaryl, aralkyl and amido, except that R1, R4 and/or R5 is not H when bonded to Y, Y1 or Y2, respectively; X is either O− or S−; and at least one of Y, Y1, Y2, Y3, Y4 and Y5 is a group for covalently bonding the dye, optionally through. the use of a coupling agent, to a target molecule, and is otherwise H. The dye may be covalently attached to a target molecule to form a complex, and the dye and/or complex finds use in cell analysis techniques, particularly pH measurement and analysis of kinetics of migration.
一种荧光染料,包括具有公式(I)的黄酮衍生荧光物,其中R1、R2、R3、R4、R5和R6独立地选自H、烷基、烷氧基、醇、醚、烯基、烯氧基、芳基、烷芳基、芳基烷基和酰胺,但当与Y、Y1或Y2结合时,R1、R4和/或R5不是H;X是O-或S-;并且Y、Y1、Y2、Y3、Y4和Y5中至少有一个是用于共价结合染料的基团,可通过偶联剂进行选择,与目标分子结合,否则为H。该染料可以共价结合到目标分子上形成复合物,并且该染料和/或复合物在细胞分析技术中得到使用,特别是pH测量和迁移动力学分析。