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Changes in the stability of IND-NPs 30 days after bead mill treatment. (A–F); Particle size frequencies (A), AFM image (B), concentration (C), particle number (D), dispersibility (E), and photograph (F) of indomethacin in IND-NPs. The particle size and particle number were measured by the dynamic light scattering method, and the AFM image was obtained using SPM-9700. n = 5. The IND-NPs remained stable 30 days after preparation.
