نتایج جستجو برای: chronic mercury exposure
تعداد نتایج: 814295 فیلتر نتایج به سال:
BACKGROUND Methylmercury (MeHg), a worldwide contaminant found in fish and seafood, has been linked to an increased risk of cardiovascular mortality. OBJECTIVE We examined 42 Faroese whaling men (30-70 years of age) to assess possible adverse effects within a wide range of MeHg exposures from consumption of pilot whale meat. METHODS We assessed exposure levels from mercury analysis of toena...
in this study, cadmium (cd) accumulation was studied in an experimental aquatic exposure. mosquitofish (gambusia affinis) were acutely exposed for 96 h to a high concentration of cd (12 mg/l) and were chronically exposed to a low concentration of cd(0.4 mg/l) for 30 days. cd accumulation profiles differed between the two cd exposures. the cd concentation in g. affinis tissues increased linearly...
Dentists all over the world remove millions of amalgam fillings every day, with no regard for the possible mercury exposure that can result from grinding them out. Much of the time, a new amalgam filling goes back in place of the old one. The dental establishment claims that amalgam is a stable material, that emits little or no mercury, but then turns around and blames the mercury–free dentists...
Dentists all over the world remove millions of amalgam fillings every day, with no regard for the possible mercury exposure that can result from grinding them out. Much of the time, a new amalgam filling goes back in place of the old one. The dental establishment claims that amalgam is a stable material, that emits little or no mercury, but then turns around and blames the mercury–free dentists...
introduction: environmental pollution with heavy metals such as mercury is a major health problem. growing studies on the field have shown the deleterious effects of mercury on human and nonhuman nervous system, especially in infants, however the effects of prenatal exposure to mercuricchloride on cortical development are not yet well understood. the aim of this study was to investigate the eff...
Background: Methylmercury is one of the most toxic forms of mercury, which severely afflicts the developing fetus. Methylmercury exposure occurs not only through fish consumption but also through rice consumption. However, rice does not contain the same beneficial micronutrients that fish/shellfish has. Therefore, prenatal methylmercury exposure through maternal rice consumption may potentially...
introduction: chlorine gas producting by mercury cell (chlor-alkali) is one of the most widely used methods. leakage and vaporizing mercury from cells can cause occupational poisoning. mercury is the most toxic non-radioactive heavy metal ; therefore measurement of air concentration of this metal is very important. the aim of this research was measuring ambient air mercury concentration in a pe...
The deleterious effects of mercury (Hg) contamination are well documented in humans and wildlife. Chronic exposure via diet maternal transfer two pathways which increase the toxicological risk for wild populations. However, few studies examined physiological impact Hg crocodilians. We investigated neonate Smooth-fronted Caimans, Paleosuchus trigonatus , use keratinized tissues blood to evaluate...
Young’s syndrome (YS) is a triad of bronchiectasis, chronic rhinosinusitis and infertility due to vas deferens obstruction, in which case cystic fibrosis (CF) and primary ciliary diskinesia are excluded. One assumed aetiology of YS is mercury exposure during childhood. During the 20th Century, mercury use was discouraged, thus reducing exposure. HENDRY et al. [1] postulated that this was the re...
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