Figure 4.
Scanning electron microscope (SEM) images of various batches prepared by changing the concentration of gentamicin; (a)PDA NPs; (b) G-PDA NPs 0.4:1; (c) G-PDA NPs 0.6:1; (d) G-PDA NPs 0.8:1; (e) G-PDA NPs 1:1. The scale bar is 1 µm.
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