STAR FLUOR 550 NHS ester is a bright emitting dye in the orange spectral region. The fluorescent core structure belongs to the cyanine based fluorophores with enhanced water solubility and fluorescence characteristics. STAR FLUOR 550 NHS ester finds widespread use in many fluorescent detectin applications including Western Blotting, imaging and flow cytometry.

STAR FLUOR NHS ester 550 is as bright as Alexa Fluor 555 and brighter than tetramethylrhodamine (TAMRA) as well as Amersham Cy3 dye.

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