Fig. 5.

Characterization of HFPN. Notes: (A) Schematic illustration of the preparation of HFPN; (B) DLS measurement of the particle size of nanocomposites with different concentrations of Hesperetin and FeCl₃•6H₂O; (C) Schematic diagram of the experimental procedure for the physical characterization of nanocomposites; (D) TEM observation of the morphology of HFPN (200 nm); (E) Zeta potential of HFPN; (F) Structure characterization of HFPN nanomaterials using powder X-ray diffraction spectroscopy; (G) DLS measurement of the particle size distribution and surface charge of HFPN in deionized water, PBS, and DMEM. The experiment was repeated three times