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Representative FE-SEM micrographs (EHT = 3.00 kV) and their corresponding close-up details at higher magnification of CaCo-2 cells after treatment with 5-FU/LPs (A,A1,C,C1,E,E1) and anti-FZD10/5-FU/LPs (B,B1,D,D1,F,F1) for 6, 24 and 96 h. 5-FU concentration: 2 µM.
