Folate-Functionalized Mesoporous Silica Nanoparticles as a Liver Tumor-Targeted Drug Delivery System to Improve the Antitumor Effect of Paclitaxel

Figure 2

The SEM images of (a) MSNs; (b) FA-PEG-MSNs. The TEM images of (c) MSNs; (d) FA-PEG-MSNs.

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