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(A) Size distribution of ELTN/FDTN co-loaded NPs. (B) TEM image of ELTN/FDTN co-loaded NPs (scale bar = 200 nm). (C) Size alteration of NPs after incubation with 10% serum for different time (n = 3). (D) Cumulative release of ELTN and FDTN from NPs at pH 7.4 and 5.0 (n = 3).
