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. 2020 Nov 25;8:598977. doi: 10.3389/fbioe.2020.598977

FIGURE 3.

FIGURE 3

(A) Size distributions of three types of NPs; TEM images and photographs of (B) AgNPs, (C) PBA@AgNPs, and (D) Rutin@AgNPs. The insert image showed Rutin@AgNPs were negatively stained with phosphotungstic acid.