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NTIS 바로가기韓國環境保健學會誌 = Journal of environmental health sciences, v.38 no.1, 2012년, pp.31 - 41
정경식 (순천향대학교 환경산업의학연구소) , 김남수 (순천향대학교 환경산업의학연구소) , 이병국 (순천향대학교 환경산업의학연구소)
Objectives: Biomonitoring is used to assess human environmental exposures. Urinary biomonitoring data are typically adjusted to a constant creatinine concentration to correct for variable dilutions among spot samples. Our objective was to investigate urinary creatinine concentrations by region, gend...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
생체지표물질이란? | 생체지표물질(Biomarker)은 유해물질의 노출이나 질병의 진행과 연관이 있는 생체내의 화학적, 분자 생물학적 또는 세포내의 측정 가능한 물질을 일컬으며, 이는 노출과 용량의 지표로서 인체노출평가에 점점 더 많이 활용되고 있다. | |
체내에 축적된 중금속 등 여러 오염물질을 평가하는 데 가장 많이 쓰이는 요소는? | 체내에 축적된 중금속 등 여러 오염물질들을 평가하기 위하여 요 시료를 사용하여 오염물질 노출을 평가하고 있는데 특히 요의 다양한 성분 중에서도 크레아티닌 농도를 가장 많이 사용한다. 크레아티닌은 근육, 뇌, 심장 등에 존재하여 에너지를 보관하는 역할을 하는 크레아틴이 대사된 물질로 요소 질소나 요산과 마찬가지로 체내에서 에너지로서 사용된 단백의 노폐물이다. | |
크레아티닌의 농도가 생체내 오염물질 보정에 기본인 이유는? | 14-22) 특히 연령증가로 인해 면역체계가 중요한 역할을 하는 것으로 알려져 있는 질환들의 발생률이 노년층에서 높으며,23) 중금속 오염 지역에서 고 연령층에 접근할수록 오염 물질의 양이 누적되기 때문에 크레아티닌의 농도는 생체내 오염물질의 농도를 결정하는 중요한 보정 물질이다. 즉, 크레아티닌 보정에 따라 생체내 오염물질의 양이 과소 또는 과대 평가될 수 있기 때문에 생체내 오염물질의 보정에 있어 가장 기본적인 물질이다. |
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