DSPE-PEG-N3 is a click chemical PEG reagent. Azide group is easy to react with alkynyl group under the catalysis of copper catalyst. It can also react directly with DBCO without any catalyst. DSPE (1,2-distearoyl-sn-glycerol-3-phosphoethanolamine) is a saturated 18 carbon phospholipid, which is commonly used in the synthesis of liposomes. Polyethylene glycol (PEG) - coupled DSPE is hydrophilic and can be used for drug delivery, gene transfection and biomolecular modification. The PEG of phospholipid significantly improved the blood circulation time and stability of the capsule drug. Polyethylene glycol can enhance the solubility and stability, reduce the non-specific binding of charged molecules on the surface, and reduce the immunogenicity of polypeptides. Azide (- N3) can react with copper catalyzed alkynes in aqueous solution and be reduced to amino groups. Polyethylene glycol can increase solubility and stability. It can also inhibit the nonspecific binding of charged molecules on the modified surface.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.