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Toxicity towards PANC-1 cells after 24 h treatment with Lipodox (diamond), free doxorubicin (square), EPSQSWSM-Lipodox (triangle), ETPPSWGG-Lipodox (circle) and non-specific phage-Lipodox (line), (mean ± SD, n = 3). The cytotoxicity of each preparation was expressed as percent survival compared with untreated cells in which survival was taken as 100%. *P < 0.05, Student's t-test.
