Fig. 2 | Scientific Reports

Fig. 2

From: Oral colon-targeted responsive chitosan/pectin-based nanoparticles propels the application of tofacitinib in colitis therapy

Fig. 2

The preparation and characterization of Tof@BSA-Chs-CP NPs. (A) Preparation scheme of NPs. (B) TEM images of Tof@BSA core, Tof@BSA-Chs-Csn and Tof@BSA-Chs-CP NPs. Size distribution profiles (C) and Zeta potentials (D) of NPs. (E) FT-IR of Tof@BSA-Chs-CP NPs. (F) Release curves of NPs at different pH conditions. (G) Release curves of NPs with a bacterial solution or pectinase in the simulated digestive system. Experiments were performed in triplicate and repeated three times. **P < 0.01, ***P < 0.001, ****P < 0.0001.

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