Fig. 1

The synthesis and characterization of EGCG@PDANPs. (A) The synthesis schematic of EGCG@PDANPs. (B) The transmission electron microscopy image of PDANPs. (C) The particle size distribution of PDANPs. (D) The transmission electron microscopy image of EGCG@PDANPs. (E) The particle size distribution of EGCG@PDANPs. (F) The zeta potential of PDANPs and EGCG@PDANPs. (G) The infrared spectrum of EGCG, PDANPs and EGCG@PDANPs. (H) The mapping of the elements C, O, and N in EGCG@PDANPs