Fig. 2. Synthesis and characterization of HES-Pt and LA-HES-Pt. (A) Synthesis scheme of HES-Pt and LA-HES-Pt. (B) ¹H NMR spectra of HES-Pt. (C) ¹H NMR spectra of LA-HES-Pt. (D) FT-IR spectra of HES, HES-Pt, and LA-HES-Pt. (E) Size distribution of HES, HES-Pt, and LA-HES-Pt measured by DLS. (F) TEM image of LA-HES-Pt. Scale bar: 50 nm. (G) Size distribution of LA-HES-Pt determined from the TEM image (F).