DSPE-CH2-PEG-Fluor 488, MW 2,000 is a PEG lipid featuring a DSPE phospholipid and a Fluor 488 dye. DSPE is a phospholipid that is known to spontaneously form micelles in water and is featured heavily in lipid nanoparticles and drug development, while Fluor 488 is a cyanine dye that is prominently used in fluorescence microscopy. Fluor 488 has excitation and emission maxima at 499 nm and 520 nm.
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