DSPE-PEG-Fluor 647, MW 2,000 is a PEGylated phospholipid conjugated to a water?soluble red Fluor 647 dye, enabling stable fluorescent labeling of liposomes, nanoparticles, and cell membranes for imaging, biodistribution, and drug delivery studies. The 2k polyPEG units enhance the hydrophilicity of the compound.
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