FIGURE 1.
Schematic diagram of PDA nanomaterial synthesis, such as (A) PDA NPs (Liu et al., 2013), (B) Fe3O4@PDA/PEG/DOX NPs (Xue et al., 2017), (C) GNRs@PDA (Wang S. et al., 2016), and (D) PDA nanotubes (Xue et al., 2016).
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