| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Outline of Final Research Achievements |
In the present study, the levels of exposure to chlorinated parabens originating from pharmaceuticals in the aquatic biota (Medaka, Trichoptera, and Sinotaia quadrata histrica) were analyzed.
In the river biota investigated, 3 chlorinated and 1 non-chlorinated parabens were identified in Medaka and Trichoptera. In exposure testing of caged S. histrica near the outfall of the sewage treatment plant, 8 chlorinated and 3 non-chlorinated parabens were identified. This suggests that the sewage treatment plant is the predominant route for the accumulation of chlorinated parabens in biota.
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