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Preparation of DWSW/NGR-RBCNPs. First, the drug was loaded into PLGA, coated with erythrocyte membrane, and finally target-modified (A). The targeting ligand was then synthesized by conjugating DSPE-PEG2000-Mal to the cysteine residue on both DWSW and NGR (B). The Michael addition reaction was used in chemical synthesis.
