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Cytotoxicity of silver acetate and plazomacin. Cytotoxicity on HEK293 cells was assayed using a LIVE/DEAD kit as described in the Materials and Methods section. The percentage of surviving cells was calculated relative to cells untreated (striped bar). Control of maximum toxicity was determined by incubating the cells in 70% methanol. Assays were carried out in triplicate and the values are mean ± SD of three independent experiments.
