Preparation and Evaluation of Doxorubicin-Loaded Micelles Based on Glycyrrhetinic Acid Modified Gelatin Conjugates for Targeting Hepatocellular Carcinoma

Figure 2

¹H nuclear magnetic spectra of (a) GA, (b) gelatin, (c) GA-GEL-1, (d) GA-GEL-2, and (e) GA-GEL-3.