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. 2020 Apr 10;10(4):718. doi: 10.3390/nano10040718

Figure 1.

Figure 1

Size distribution (A) and zeta potential (B) of virgin silk fibroin nanoparticles (SFNs) (blue) and naringenin-loaded silk fibroin nanoparticles (NAR-SFNs) prepared from the three NAR/SFN ratios: 1:4 (red), 1:2 (green) and 1:1 (purple).