Fig. 2

Material characterization of AG/PEI-VX765 NGs (Error bar: SD, n = 3/group). A FTIR spectral analysis. B Scanning electron microscope (SEM) test (X18.0 K, Scale Bar = 300 μm; X30.0 K, Scale Bar = 100 μm). C Particle sizes. D zeta potential. E CCK-8 assay-based detection of drug compatibility. F Drug release curves. Grouping was as follows: VX765, PEI-VX765 NPs, AG-VX765 NGs, and AG/PEI-VX765 NGs samples