For research use only. Not for therapeutic Use.
DSPE-PEG-Maleimide (MW 5000)（Cat No.:I045914）is an amphiphilic phospholipid-PEG conjugate designed for targeted delivery and nanomedicine applications. It consists of a hydrophobic DSPE (1,2-distearoyl-sn-glycero-3-phosphoethanolamine) anchor, a hydrophilic PEG5000 spacer, and a reactive maleimide group that selectively couples with thiol groups on biomolecules such as peptides, proteins, or antibodies. The PEG segment provides aqueous solubility, steric stabilization, and extended circulation time, while DSPE enables stable incorporation into liposomes or micelles. This reagent is widely applied in drug delivery systems, antibody-directed therapeutics, and diagnostic nanoparticles requiring controlled and durable surface functionalization.
| Purity | ≥95% |
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