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. 2015 Apr 5;5(7):746–754. doi: 10.7150/thno.10732

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Fig 1 — Schematic representation of all combinations of the APT_EDB-PEG₂₀₀₀-DSPE (targeting ligand conjugated PEG) group paired with PEG₂₀₀₀, PEG₁₀₀₀, PEG₅₅₀ and PEG₃₅₀ (methoxy-capped PEG lipids) and the APT_EDB‑PEG₁₀₀₀-DSPE group paired with PEG₁₀₀₀, PEG₅₅₀ and PEG₃₅₀(methoxy-capped PEG lipids). Left column represents a set of liposomes prepared using the targeting ligand conjugated PEG₂₀₀₀-phospholipid as a key component: APT_EDB-PEG₂₀₀₀/PEG₂₀₀₀ LS, APT_EDB-PEG₂₀₀₀/PEG₁₀₀₀ LS, APT_EDB-PEG₂₀₀₀/PEG₅₅₀ LS, APT_EDB-PEG₂₀₀₀/PEG₃₅₀ LS. Right column represents a set of liposomes prepared using the targeting ligand conjugated PEG₂₀₀₀-phospholipid as a key component: APT_EDB-PEG₁₀₀₀/PEG₁₀₀₀ LS, APT_EDB-PEG₁₀₀₀/PEG₅₅₀ LS, APT_EDB-PEG₁₀₀₀/PEG₃₅₀ LS.