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SeMC acts synergistically with chemotherapeutic agents. (A‐C) The viabilities of A549 cells after exposure to 200 μM SeMC, 0.2 μg/mL EBN, 1 μg/mL GEM and 10 ng/mL PTX or their combination for 48 hours. Data are expressed as mean ±SD (n = 3). (D) Fluorescent images and quantification of ROS levels in A549 cells after indicated treatments. Complete data are provided in Figure S2. Scale bars: 50 μm. Data are represented as mean ±SD (n = 15). **P < .01, ***P < .001
