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Hemolytic activity and cytotoxicity. (A) Human blood hemolytic activity of PF, 0.2% DMSO (negative control), and 0.1% Triton X-100 (positive control). The cytotoxicity of PF to (B) A549 (C) HBE, and (D) HBMEC cell lines was determined by CCK-8 assays.
