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. 2021 Mar 4;13(10):11672–11682. doi: 10.1021/acsami.1c00639

Figure 4.

Figure 4

Characterization of insulin crystals maintained at room temperature. (A) Dissolution rate of insulin crystals. (B) Differential scanning calorimetry (DSC) of insulin samples. Transition temperatures are shown at the peaks. (C) High-performance liquid chromatography (HPLC) profiles of dissolved insulin crystals.