نتایج جستجو برای: body burden
تعداد نتایج: 827683 فیلتر نتایج به سال:
As the last manuscript in our series of review articles on cadmium (Cd) and health effects, we reviewed research articles on epidemiologic and experimental studies on exposure levels of Cd in occupational and environmental settings in various countries, disposition and body burden of Cd, critical concentrations of Cd in the kidney of humans and animals with a focus on biomarkers for renal dysfu...
Heavy metals accumulated by aquatic crustaceans in environmental studies are normally investigated using the whole body burden, with little regard paid to uptake in different tissues, to potential gender of life stage differences, or to the influence of nutrition on the test organism. This is likely to give erroneous conclusions for a dose-response relationship within the toxicity test and pote...
BACKGROUND The Global Public Private Partnerships for Health (GPPPH) constitute an increasingly central part of the global health architecture and carry both financial and normative power. Gender is an important determinant of health status, influencing differences in exposure to health determinants, health behaviours, and the response of the health system. We identified 18 GPPPH - defined as g...
BACKGROUND Human milk and blood are monitored to detect time trends of persistent organic pollutants (POPs) in humans. It is current practice to use log-linear regression to fit time series of averaged cross-sectional biomonitoring data, here referred to as cross-sectional trend data (CSTD). OBJECTIVE The goals of our study are to clarify the interpretation of half-lives derived from fitting ...
The ingestion of airborne lead fallout is the mechanism responsible for increased lead body burdens found in 10 urban Connecticut children. The mean indoor lead levels found in housedust was 11,000 mug/g; highest concentrations occurred on windowsills and in floor dust. The mean lead content of Hartford street dirt was 1,200 mug/g; levels were highest near the street and next to the buildings. ...
There are unexplained links between human exposure to aluminium and the incidence, progression and aetiology of Alzheimer's disease. The null hypothesis which underlies any link is that there would be no Alzheimer's disease in the effective absence of a body burden of aluminium. To test this the latter would have to be reduced to and retained at a level that was commensurate with an Alzheimer's...
Polybrominated biphenyls (PBB) were inadvertently introduced into livestock feed in Michigan in 1973, resulting in widespread contamination of the state's food supply. Details of this unfortunate incident have been extensively documented (Carter 1976; Meester 1979). Approximately 12 months after the spill, several reports demonstrated the presence of PBB in human tissues including fat and blood...
Eastern mosquitofish (Gambusia holbrooki) were sampled from three experimental populations (two Hg-exposed populations and one reference population) to determine whether transgenerational exposure (lifelong exposure of multiple generations) to Hg adversely affects standard metabolic rate (SMR). Mosquitofish subjected to lifelong Hg exposure accumulated significant concentrations of Hg in their ...
The feasibility of using in vitro methods to predict in vivo critical body residue (CBR) for single surfactants and mixtures by measuring the critical cell residue (CCR) in a hepatic fish cell line (PLHC-1C) was investigated. The CCR values were determined using radiochemical methods to measure the test compound partitioning between media and cells at varying concentrations for three distinctly...
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