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Type and measure of cell death in HFF cells (A) and A549 cells (B) horizontal axis showing fluorescent of Annexin and vertical axis showing Propidium Iodide staining. Comparison of amount and type of cell death in A549 and HFF cells treated with algal extract and control group (C) (p ≤ 0.05: *). (Q1: Necrotic cells; Q2: cells at final stages of apoptosis; Q3: cells at beginning of apoptosis; Q4: healthy cells).
