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Transmission electron microscopy (TEM) morphologies of the nanocapsules (A–E) and statistical dried particle size distributions of nanocapsules (a–e) based on the TEM images. (A–a, B–b, C–c, D–d, and E–e represent PVA: PC = 1:1, 1:2, 2:1, 1:3, and 3:1, respectively).
