4-Arm-PEG-DSPE (MW 5000)

4-Arm-PEG-DSPE (MW 5000) is a PEG cross-linking reagent that links four PEG branches to one DSPE phospholipid. 4-Arm-PEG-DSPE (MW 5000) can be used for dr_ug delivery, gene transfection, and vaccine delivery.