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Study on the influence of disinfection reactants, and their time-variation in soil after disinfectant spraying.

Research Project

Project/Area Number 25340102
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Environmental risk control and evaluation
Research InstitutionAzabu University

Principal Investigator

TAKAGI YUKIHIKO  麻布大学, 獣医学部, 教授 (30163182)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords消毒剤 / 土壌 / 副生成物質 / 変異原性 / 消長 / 副生成物 / アルカリ系消毒薬 / 塩素系消毒薬 / 複合製剤 / microsuspension法
Outline of Final Research Achievements

The impact on the soil environment of disinfectants used in dairy-related facilities for preventing the spread of infections has been examined. Several soil samples were collected from surrounding area. Disinfectants containing chlorine, alkaline disinfectants, and combination drugs, were sprayed on these soil samples. Organic matter in the soil disinfectant reactant compounds was extracted by the ultrasonic extraction method, using 7 organic solvents respectively. As a result, high mutagenic activity such as acetone was detected of in several solvent extracts to chlorine-based disinfectants. And there were many cases of direct acting mutagens causing base pair changes. Mutagenic by-products in soil tend to decrease over time, so even the particularly high mutagenic activities was reduced by more than about 80% after 1 year. The products were analyzed using a GC-MS, which suggested that several chemicals showing mutagenicity such benzaldehyde were present.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (6 results)

All 2015 2014 2013

All Presentation (6 results)

  • [Presentation] 消毒剤散布が及ぼす土壌環境への影響2015

    • Author(s)
      髙木敬彦、岩間茉莉奈、田邊梨紗、岩屋大志郎、杉田和俊、後藤純雄、大倉利明
    • Organizer
      第24回環境化学会
    • Place of Presentation
      北海道 札幌
    • Year and Date
      2015-06-24 – 2015-06-26
    • Related Report
      2014 Research-status Report
  • [Presentation] 消毒剤散布が及ぼす土壌環境への影響2015

    • Author(s)
      髙木敬彦、岩間茉莉奈、田邊梨紗、岩屋大志郎、杉田和俊、後藤純雄、大倉利明
    • Organizer
      第24 回環境化学討論会
    • Place of Presentation
      札幌市
    • Year and Date
      2015-06-24
    • Related Report
      2015 Annual Research Report
  • [Presentation] 室内空気中のMVOCの汚染実態2014

    • Author(s)
      兼島公香, 笠原達見, 高木敬彦, 後藤純雄, 中島大介, 高鳥浩介
    • Organizer
      第41回建築物環境衛生管理全国大会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] 室内空気中の微生物由来揮発性有機化合物の存在実態2013

    • Author(s)
      笠原達見, 兼島公香, 高木敬彦, 後藤純雄, 杉田和俊, 峯木茂, 高鳥浩介
    • Organizer
      第22回環境化学討論会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] 相模原市内の土砂のセシウム汚染レベル2013

    • Author(s)
      久松伸, 島田健太, 兼島公香, 高木敬彦, 伊藤彰英, 後藤純雄 , KUO Ching‐tang, 影山志保, 諸岡信久
    • Organizer
      第22回環境化学討論会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] 室内空気中のMVOCのGC/MS分析と判定事例2013

    • Author(s)
      中島大介, 高木敬彦, 兼島公香,笠原達見, 後藤純雄, 高鳥浩介
    • Organizer
      平成25年室内環境学会学術大会
    • Place of Presentation
      佐世保
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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