Research Article

Characterization and Evaluation of a Folic Acid Receptor-Targeted Norcantharidin/Tetrandrine Dual-Drug Loaded Delivery System

Figure 2

The particle size and PDI (a) and zeta potential (b) of MSNs, MSNs@NCTD, LP@Tet/(MSNs@NCTD), and FA-LP@Tet/(MSNs@NCTD), respectively.
(a)
(b)