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Flow cytometry analysis of cellular uptake of C6PL and YC6PLwith or without free YSA peptide in A549 cells. (a) Flow cytometry histograms. (b) Average geo mean ± SD (n = 6). *P < 0.05, **P < 0.01. Significant enhancement in liposomal uptake was observed when surface coated with YSA peptide.
