ZFIN Image: Sarasamma et al., 2020, Figure 7

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Figure Caption

Figure 7

The circadian rhythm locomotion activity assay for control and 5 ppm polystyrene nanoplastics (PS-NPs)-exposed zebrafish groups after a seven-week exposure. (A) Comparison of the time chronology changes of the average speed between the control and the PS-NPs-exposed fish in light and dark cycles. The white area shows the light period and the black area shows the dark period. Comparison of the average speed (B,H), average angular velocity (C,I), and meandering (D,J), freezing movement time ratio (E,K), swimming movement time ratio (F,L), and rapid movement ratio (G,M) during the light and dark cycles, respectively. The data are expressed as the median with interquartile range and were analyzed by Mann–Whitney test (n = 18 for control; n = 18 for PS-NPs-exposed fish; * p < 0.05, ** p < 0.01, *** p < 0.001, ****, p < 0.0001).

Acknowledgments

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