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. 2020 Mar 20;8:210. doi: 10.3389/fbioe.2020.00210

FIGURE 2.

FIGURE 2

Characterization of NPs. (A–D) TEM images and size distribution of NPs. (A) NP01, (B) NP02, (C) NP03, (D) NP04. Scale bar: 25 nm. (E) LogP values of NPs. (F) Hydrodynamic diameters and (G) zeta potentials of NPs before and after protein adsorption.