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Stability of INS-loaded liposomes in SGF (A) and (B) and SIF (C) and (D) with INS solution as a control. Crude liposome dispersion without separating free INS is tested directly and the results are displayed as raw data (A) and (C) or calibrated data (B) and (D) by deducting the fraction of free INS in the liposome dispersions.
