نتایج جستجو برای: dioxins
تعداد نتایج: 3093 فیلتر نتایج به سال:
Polychlorinated biphenyls (PCBs) and dioxins are known as neurotoxic compounds that may modulate sex steroid hormones. Steroid hormones play a mediating role in brain development and may influence behaviors that show sex differences, such as childhood play behavior. In this study we evaluated the effects of perinatal exposure to environmental levels of PCBs and dioxins on childhood play behavio...
Contamination of aquatic environments with dioxins, the most toxic group of persistent organic pollutants (POPs), is a major ecological issue. Dioxins are highly lipophilic and bioaccumulate in fatty tissues of marine organisms used for seafood where they constitute a potential risk for human health. Lipid droplets (LDs) purified from date palm, Phoenix dactylifera, seeds were characterized and...
Prenatal exposure to polychlorinated biphenyls (PCBs) and dioxins is associated with changes in the T-cell lymphocyte population in healthy Dutch infants. We investigated whether these changes persist into later childhood and whether background exposure to PCBs and dioxins is associated with the prevalence of infectious or allergic diseases and humoral immunity at preschool age. The total study...
BACKGROUND Although sources and routes of exposure to dioxins and polychlorinated biphenyls (PCBs) have been studied, information regarding exposure among children is limited. Breast-feeding and diet are two important contributors to early life exposure. To further understand other significant contributors to childhood exposure, we studied a cohort of children from a city with high environmenta...
In September 1998 the Ministry of Health and Welfare announced that high concentrations of dioxins were detected in the samples of soil near the incinerator and ash, drainage, sludge and others remained in the furnace and air pollution control devices of municipal solid waste incinerator (MSWI) in rural part of Osaka Prefecture. According to the results the Ministry of Labor immediately organiz...
PURPOSE Cigarette smoking is the most consistent risk factor for age-related macular degeneration (AMD), especially the choroidal neovascularization (CNV)-mediated exudative type. Dioxins and dioxin-like compounds have various effects on living organisms and are also contained in cigarette smoke. However, the effects of dioxins on the eye remain elusive. In this study, the authors examined the ...
Polyurethane foam (PUF) plug was examined as a solid-phase extraction adsorbent in the analysis of dioxins water samples according to JIS K 0312 method. Confirmation tests required by method showed that PUF able sufficiently adsorb and retain suitable for extraction. In addition, acidification sample with HCl is effective improving adsorption ability plug.
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