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. 2022 Sep 9;10:981055. doi: 10.3389/fchem.2022.981055

FIGURE 1.

FIGURE 1

Characterization of ISL@NPs. (A) The appearance of homogeneous suspension of ISL@NPs, in comparison to the insolubility of free ISL in water. (B) TEM image of ISL@NPs. (C) Particle diameter distribution of ISL@NPs by DLS measurement. Tyndall effect could be observed in ISL@NPs. (D) The storage stability of ISL@NPs at 4°C for 10 d (E) ISL@NPs exhibited pH-responsive instability in SCF (pH 7.8), in comparison to the stability in SGF (pH 1.5) and SIF (pH 6.8).