申请人:SFC CO., LTD.
公开号:US10473666B2
公开(公告)日:2019-11-12
The present invention relates to dye compounds represented by Formulae I and II, which are described in the specification. The dye compounds of the present invention have markedly improved quantum yields and emit strong fluorescence compared to existing cyanine dyes. Due to these advantages, the dye compounds of the present invention can find applications in various fields, for example, as probes for various biological systems where optical imaging is required. Particularly, the dye compounds of the present invention can be used as mitotrackers capable of labeling and tracking mitochondria. Therefore, the dye compounds of the present invention can be used to quantitatively image mitochondria in live tissues and cells. Furthermore, the dye compounds of the present invention can be applied as pH probes for measuring the pH of live cells.
本发明涉及由式I和II表示的染料化合物,这些化合物在说明书中有描述。与现有的青菁染料相比,本发明的染料化合物具有明显改善的量子产率,并且发射强烈的荧光。由于这些优点,本发明的染料化合物可以在各个领域找到应用,例如,作为各种生物系统的探针,其中需要光学成像。特别地,本发明的染料化合物可以用作能够标记和追踪线粒体的有丝分裂追踪剂。因此,本发明的染料化合物可以用于定量成像活体组织和细胞中的线粒体。此外,本发明的染料化合物可以作为用于测量活细胞pH值的pH探针。