DSPE-PEG- Folate, MW 1,000 is a bioactive phospholipid PEG polymer which has strong binding with folate receptor (a recognised biomarker for tumour cells) and used for precise delivery of anti cancer/gene therapy. The phospholipid PEG allows formation of lipid bilayer in water and can be used to prepare liposomes as drug carrier of therapeutic agents. Reagent grade, for research purpose.