| 摘要 |
The present invention relates to fluorescent dyes. The present invention provides a wide range of fluorescent dyes and kits containing the same, which are applicable for labeling a variety of biomolecules, cells and microorganisms. In one aspect, the invention provides a compound having a maximal fluorescence excitation wavelength, wherein the compound has a structure of Formula II: F—Y=Ψ  Formula II and wherein Z— is a counterion, Y is a bridge unit permitting electron delocalization between F and Ψ, and F is a moiety having the structure: The present invention also provides various methods of using the fluorescent dyes for research and development, forensic identification, environmental studies, diagnosis, prognosis, and/or treatment of disease conditions. |
