In other words, there was a bio-enrichment effect in zebrafish tissues, and the enrichment level was concentration-dependent; that is, with the increase in exposure duration, the enrichment level showed an increasing trend.
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Effects of BPZ, BPC, BPF, and BPS Exposure on Adult Zebrafish (<i>Danio rerio</i>): Accumulation, Oxidative Stress, and Gene Expression.
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When the exposure time was extended to 7 days, the SOD activity of the four BPs showed a trend of inhibition, and the SOD activity of BPC (40 μg/L and 200 μg/L) treatments, BPF (800 μg/L) treatment, and BPS (15 mg/L) treatment was lower than that of the control group, which confirmed the previous conclusion that SOD was eliminating ROS to maintain a dynamic equilibrium state of tissues.