Polyethylene glycol phospholipid is an excellent material to form liposomes, which can be used for gene transfection, vaccine delivery, drug transportation, and targeted drug delivery. Phospholipids are hydrophobic and hydrophilic. It can be used to modify protein drugs, peptide compounds, organic small molecule drugs, biological materials, etc. Cy7 labeled PEG derivatives are used for fluorescence tracing or fluorescence observation.

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.