DOPE-PEG-Cy5.5, MW 5,000 is a PEG-lipid-dye conjugate featuring a DOPE phospholipid and a Cy5.5 dye. DOPE is featured prominently in lipid nanoparticles for its ability to readily form micelles while Cy5.5 is a fluorescent dye which is used in histology, FRET and other fluorescence-based assays in vivo.
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