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The protective effect of the device against reactive oxygen species produced by the addition of xanthine/xanthine oxidase (50 mM/20 mUnit/ml) in the culture medium. The 293FT cells were incubated for 20 h in the presence of the xanthine/xanthine oxidase with or without the device on. Cell death was measured by the LDH release assay. Two means are significantly different when evaluated by the one-way ANOVA (p < 0.05, n = 7).
