Research Article
Towards a Definition of Harmless Nanoparticles from an Environmental and Safety Perspective
Figure 6
ROS concentrations at 2 h in various reactor cycles in the presence of Si NPs (a, b, and c) or Fe2O3 NPs (d, e, and f). (a, d) Cycle 1, (b, e) cycle 3, and (c, f) cycle 6. The error bars represent standard deviations from the mean. Asterisks indicate a statistically significant difference () between the treatment and control groups.
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