2011 Fiscal Year Final Research Report
Fate of antibiotics and antivirals in the aquatic environment and contamination by resistant bacteria
| Project/Area Number |
21360256
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Civil and environmental engineering
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| Research Institution | Kyoto University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
HIROAKI Tanaka 京都大学, 大学院・工学研究科, 教授 (70344017)
NAKADA Norihide 京都大学, 大学院・工学研究科, 助教 (00391615)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 土壌 / 水環境 |
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| Research Abstract |
Survey on the fate of the antibiotics and antivirals in river basin showed that most of pharmaceuticals are entering into the river bodies through wastewater treatment plants. Ecotoxicity tests using aquatic organisms indicated that antibiotics have higher toxicity to algae among aquatic organisms tested. As for the fate of resistant bacteria in the river basin, ampicillin resistant bacteria were detected at high percentages among bacteria isolated from river samples and ampicillin and sulfamethoxazole resistant bacteria were persistent along the river downstream.
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