Fig. 1From: Tailoring tumor-recognizable hyaluronic acid–lipid conjugates to enhance anticancer efficacies of surface-engineered natural killer cellsSynthesis procedure of HA-PEG-Lipid. A Conjugation of Lipid-PEG-NH2 to the carboxylic acid in the HA backbone using EDC/NHS chemistry. B Chemical structures of HA-PEG-Lipid with three different lipid types (i.e., HA-PEG-DMPE, HA-PEG-DSPE and HA-PEG-Chol)Back to article page