AF488 NHS ester diTEA is a versatile dye widely used in biological research as a crucial tool. It enables researchers to observe and analyze cellular structures, track biomolecules, assess cell functions, differentiate cell types, detect biomolecules, study tissue pathology, and monitor microorganisms. Its applications span from basic scientific research to clinical diagnostics. Additionally, dyes have extensive uses in traditional fields such as textile dyeing and emerging areas like functional textile processing, food coloring, and dye-sensitized solar cells. AF488 has an emission wavelength (λem) of 520 nm and an excitation wavelength (λex) of 470 nm.