1,2-dimyristoyl-rac-glycerol PEG2000 fluorescein (DMG-PEG2000-FITC) is a diacyl glycerol lipid fluorescein conjugate that contains no phosphate linkage. Myristic acid is a saturated C14 lipid that can interact well with cell membrane bilayer. Fluorescein modified dimyristoyl glycerol has strong green fluorescence with exitation/emission at 494 nm/515 nm. PEG linker between dimyristoyl glycerol and fluorescein offers better water solubility and flexible linker structure. DMG-PEG-fluorescein thus can be an excellent membrane imaging agent.