Fig. 1
From: Berberine-loaded PLGA nanoparticles alleviate ulcerative colitis by targeting IL-6/IL-6R axis
Fabrication and characterization of BPL-NPs. A: Schematic diagram illustrating the fabrication of BPL-NPs using an emulsion solvent evaporation method; B–D: TEM (B), size distribution (C), an zeta-potential (D) of PLGA nanoparticles; E,F: Mean diameters (E) and polydispersity index (F) of different BPL-NPs; G–I: TEM (G), mean diameters (H), and zeta-potential (I) of BPL-NPs; J: Dispersion of BBR, PLGA-NPs, and BPL-NPs. Scale bars = 200 nm