Oxazole blue is a multifunctional dye used in various applications, including biological experiments, textile dyeing, and emerging fields like functional textile processing, food pigments, and dye-sensitized solar cells. In biological research, dyes assist 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.