DSPE-PEG45-NH-Mal is a PEG lipid functionalized with a DSPE phospholipid and maleimide group. The DSPE is a useful self-assembling reagent for PEGylated liposome or micelle while also providing a maleimide for coupling with thiol at pH 6.5-7.5. The long PEG45 chain greatly enhances the water solubility of the molecule.
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