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Cell viability after ethanol exposure. Cell viability was evaluated by WST assay. The different ethanol concentration medium was made by adding ethanol to culture medium. The absorbance at 450 nm was measured by plate reader. Cell viabilities of negative controls for 1, 3 and 24 h (Ethanol/Medium = 0% (v/v)) were 1 ± 0.05, 1 ± 0.01 and 1 ± 0.10, respectively. Cell; RGM-1, n = 6, Error bar; SD.
