Zwitterionic PEGylation of Nanodrugs for Reduced Immunogenicity and Improved Drug Delivery Efficacy.
A facile strategy by grafting glutamic acid-lysine (EK) peptides onto PEGylated phospholipid derivatives to assemble liposome (Lip)-based drug delivery systems is reported, offering a promising solution to the ABC effect in PEGylated liposomes.