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NTIS 바로가기대한환경공학회지 = Journal of Korean Society of Environmental Engineers, v.39 no.3, 2017년, pp.132 - 139
곽진일 (건국대학교 환경보건과학과) , 최영설 (건국대학교 환경보건과학과) , 문종민 (건국대학교 환경보건과학과) , 김도경 (건국대학교 환경보건과학과) , 안윤주 (건국대학교 환경보건과학과)
Endocrine disrupting chemicals (EDCs) interfere with endocrine system in organisms, and have different mode of actions compared to conventional chemicals. Therefore, EDCs specific ecotoxicity tests and assessments have been globally developed by some organizations such as OECD, ASTM, and USEPA. In K...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
내분비계 장애물질이란 무엇입니까? | 내분비계 장애물질(Endocrine disrupting chemicals, EDCs)이란 “내분비계의 정상적인 기능을 방해하는 물질로 환경으로 배출된 물질이 체내에 유입되어 마치 호르몬처럼 작용한다고 하여 환경호르몬으로 불리기도 하는 물질”1)이다. EDCs에 노출될 경우 인간뿐만 아니라 생태계 모든 생물종에 위험할 수 있기 때문에,1,2) 국제적으로 EDCs에 대한 문제인식을 하고 관련 연구 및 규제가 이뤄지고 있다. | |
EDCs만의 독성을 평가하기위한 연구가 필요한 이유는? | 내분비계 장애물질 (EDCs)은 생물체내에 유입되면 내분비계의 정상적 기능을 방해하는 특징이 있으며, 일반화학물질과는 다른 독성기전을 보이기 때문에 기존의 생태독성기법과 달리 EDCs만의 독성을 평가하기 위한 생태독성기법 및 독성종말점의 개발을 위한 연구가 필요하다. OECD, ASTM 및 USEPA와 같은 신뢰성 있는 국제기관에서는 EDCs의 생태독성기법들을 제안하고 있는 상황이다. | |
개발중인 생태독성시험의 종류는 어떠한 것들이 있습니까? | 제시된 생태독성시험 중 현재 사용 가능한 TG는기존에 존재하는 일반물질에 대한 TG, EDCs 평가를 위하여 업데이트한 TG 및 EDCs 평가만을 위해 개발된 TG를 포함하여 15건이 있으며, 그 외 9건의 독성시험에 관하여 시험기법이 계속하여 개발 중인 것으로 확인되었고 관련 내용은 보고서 또는 GD로 제시되어 있다. 개발 중인 시험기법으로는 물벼룩을 이용한 다세대 평가,9) 양서류의 수정란을 이용한 갑상선 신호 방법,9,10) 연체동물을 이용한 부분 및 전반 생활사 평가,9,10) 어류 생활사 독성평가,9,11) 암컷 큰가시고기를 이용한 안드로제닉 스크리닝 평가,9,12~14) 보리새우 생활사 독성평가,9,10) 어류 부분 생활사에서의 생식율 평가,9,15) 요각류를 이용한 생식율 및 발달평가9,16,17)가 있다. 또한 OECD는 계속하여 EDCs에 관하여 연구를 진행하여 문서를 제시하고 있으며 현재 EDCs 시험 및 평가에 관하여 59건의리포트가 제시가 되어 있다. |
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