نتایج جستجو برای: carcinogenic risk
تعداد نتایج: 950744 فیلتر نتایج به سال:
OBJECTIVE To investigate the extent of the cross-reactivity of hybrid capture 2 (HC2) assay and evaluate the potential effect of cross-reactivity on the long-term risk for cervical cancer and precancers. METHODS Based on the Shanxi Province Cervical Cancer Screening Study-I (SPOCCS-I) cohort from 2005 to 2014 in Shanxi, China, SPF₁₀-line probe assay (LiPA) was performed in all 598 HC2 positiv...
The risk of developing cancer from carcinogens occurring in food is of widespread interest to scientific researchers, food policymakers and food surveillance institutions, as well as to the general public. When evaluating the risk of carcinogenic food contaminants or carcinogenic foodstuff per se (e.g., alcoholic beverages), the level of scientific evidence should be reflected more clearly. In ...
Background and Objectives: Chemical hair color are one of the most widely used cosmetics. The presence of heavy metals in these products can affect the health of consumers. Unlike other cosmetics, no study has been conducted on the heavy metal levels in the synthetic chemical hair colors. This study determined the concentration of heavy metals in these products and the risk assessment of non-ca...
Background and aims: Recently, there is an increasing concern about the quality of breath air in cabins of public transportation system. Present study measured the driver’s occupational exposure of BTEX as the most important and toxic group of VOCs in cabins of Tehran bus rapid transit (BRT) system. Methods: NIOSH 1501 was used for sampling and analyzing. Samples were extracted by CS2 and anal...
Background and Objectives: The aim of the present study was to assess the probable heavy metals contamination in topsoil surrounding Venarj mine in Qom province using contamination indices and artificial neural networks method. Material and methods: in order to evaluate the contamination status around Venarj mine in Qom province, 70 soil samples were collected in an area of 22 Km2, and the to...
A discriminant analysis model is presented for carcinogenic risk. The data set is obtained from the two-year rodent study FDA/CDER database and was divided into a training set of 1022 organic compounds and an external validation test set of 50 compounds. The model is designed to use as a decision support tool for a defined decision threshold, and is thus a binary discrimination into "high risk"...
The total excess of components which pollute the atmospheric air city Saratov has been increasing from May to October and is most evident for locations transport interchanges. allocation polluting corresponds distribution model structural basin cities. hazardous level non-carcinogenic health risk caused by inhalation substances (HQ>1) determined existence nitrogen oxides, hydrogen sulfide, a...
Introduction: Due to the continued urbanization and industrialization in most parts of the world, metals are constantly being introduced into the soil environment and posing a major threat to human health. The purpose of this study was to investigate the contamination of Esfarayen surface soils with heavy metals and its hazards to human health. Methods: Surface soil samples were collected from ...
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