LysoSR-549 is a versatile dye. Dyes are crucial tools in biological experiments, assisting researchers in observing and analyzing cell structures, tracking biomolecules, evaluating cell functions, distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Their applications span from basic scientific research to clinical diagnostics. Additionally, dyes are widely used in traditional areas like textile dyeing, as well as in emerging fields such as functional textile processing, food coloring, and dye-sensitized solar cells.