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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Plant Response to Engineered Metal Oxide Nanoparticles

Fig. 1

a Accumulation ratios ([Cu]plant/[Cu]medium) and b accumulation of Cu in shoots of Elodea nuttallii exposed to 256 μg/L Cu(II) or 10 mg/L CuO nanoparticles for up to 24 h. UV was applied additionally to test for effects on Cu accumulation. UV exposure lasted maximal 8 h: in the 24-h treatment, a 16-h period without UV followed the 8-h UV treatment before sampling. Different letters indicate statistically significant differences between the values as obtained by ANOVA and Tukey’s post hoc test (p < 0.05), where the letter a is assigned to the groups with the highest mean values [118]

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