Figure 1. Preparation and modification of NPs/DOX complexes.
Figure 2. Optimization of the modification ratios of FA–PEG–PE to NPs/DOX.
Table 1. Particle size, zeta potential, and gene loading quantity of different vectors.
Figure 3. The in vitro release profiles of FA-NPs/DOX and NPs/DOX.
Figure 4. In vitro cytotoxicity evaluation of FA-NPs and NPs.
Figure 5. The tumor growth curves of FA-NPs/DOX, NPs/DOX, NPs, and free DOX.
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