Zwitterionic PEGylation of Nanodrugs for Reduced Immunogenicity and Improved Drug Delivery Efficacy.
PEGylated liposomes are widely used as drug delivery carriers due to their prolonged circulation and enhanced accumulation at pathological sites. However, repeated administration can trigger the accelerated blood clearance (ABC) phenomenon, reducing delivery efficacy. Herein, we report a zwitterionic PEGylation strateg...