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Preparation and characterization of OxPt/SN38. a) Schematic illustration of two‐step construction of core‐shell OxPt/SN38 particles via co‐polymerization of OxPt‐bp with Zn2+ ions and coating with Chol‐SN38, cholesterol, DOPC, and DSPE‐Peg2000. b) TEM image and c) number‐average diameter of OxPt‐bare. d) Stability of OxPt‐bare in THF at room temperature. e) TEM image and f) number‐average diameter of OxPt/SN38. g) Stability of OxPt/SN38 in PBS with BSA (5 mg mL−1) at 37 °C.
