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NTIS 바로가기환경생물 = Korean journal of environmental biology, v.29 no.1, 2011년, pp.1 - 10
안혜선 (한양대학교 자연과학대학 생명과학과) , 박찬진 (한양대학교 자연과학대학 생명과학과) , 안효민 (한양대학교 자연과학대학 생명과학과) , 계명찬 (한양대학교 자연과학대학 생명과학과)
Amphibian population declines globally. Aquatic contamination by organic pollutants including endocrine disrupters has been suspected to the one of the reason for distinction of amphibia which has obligate aquatic life style during larval period. Amphibians have been widely accepted as animal model ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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EDs는 생체 호르몬의 작용을 교란하여 어디에서 다양한 독성 효과를 나타내는가? | 2000). EDs는 생체호르몬의 작용을 교란하여 발생, 번식, 내분비, 면역, 신경계 등에서 다양한 독성효과를 발휘한다. 따라서 환경 잔류성이 높은 EDs의 위해성을 정확히 평가하고 이들 물질의 생산 및 사용에 대한 허용기준치 및 규제 방안을 설정하는 것은 양서류가 서식하는 육수환경의 보존과 관리에 매우 중요하다. | |
알킬페놀은 무엇인가? | 알킬페놀(alkylphenols)은 비이온성 계면활성제로 사용되는 알킬페놀에톡실레이트(APEO)의 분해산물로서 분자적으로 페놀의 벤젠고리에 알킬그룹이 결합되어 있는 비교적 안정한 화합물이다. APEO 자체는 독성물질로 분류되어 있지 않지만, 그 대사생성 물질인 단사슬 APEO, 알킬페놀 및 카르복실 유도체 등은 폐수 또는 음용수의 염소처리 공정에서 mutagenic ring halogenated derivative 를 생성한다. | |
양서류가 수서생태계의 건강도를 대변하는 지표인 이유는 어떤 생태적 특징 때문인가? | 습지 생태계에서 중요한 생태적 지위를 차지하는 양서류는 육상생활을 최초로 시작한 척추동물로 진화와 발생학 연구에 중요한 재료를 제공한다. 수정 후 변태에 이르는 생활사를 수환경에서 진행하는 양서류는 수환경 내의 오염물질에 대해 1차적으로 노출되므로 어류와 마찬가지로 매우 노출 감수성이 높다. 또한 먹이사슬의 중간소비자로 수환경 내의 오염물질의 먹이순환에 따른 독성 효과의 생물농축 효과가 나타날 수 있는 생태적 특징을 갖는다. 따라서 수환경오염에 매우 민감할 뿐 아니라 수서생태계의 건강도를 대변하는 지표로서 유용한 까닭에 발생 중인 배아 또는 유생을 이용한 독성평가 및 이를 활용한 수환경 기준을 설정노력이 다양한 양서류에서 활발하다(Plotner and Gunther 1987; Boyer and Grue 1995; Lahr 1997; Loeffler et al. |
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