The Mayo Clinic Laboratories state that the normal concentration in adult human blood serum is 70 to 150 micrograms per liter (the same as 70 to 150 nanograms per milliliter). According to the Mayo Clinic, the US population …
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Neve J. Human selenium supplementation as assessed by changes in blood selenium concentration and glutathione peroxidase activity. J. Trace Elem. Med. Biol. 1995;9:65–73. doi: …
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Pathological conditions Selenium concentration levels have also been determined in some well-defined diseases or pathological conditions as summarised in Table III. Selenium …
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Plasma selenium levels between 100 and 200 μg/l are generally considered adequate. Very low selenium levels are thought to cause medical problems, while very high levels can lead to …
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7.1. BIOLOGICAL MATERIALS. Sampling of biological material for determination of total selenium concentrations does not usually pose a problem unless specific selenium compounds are to be …
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The essential level of selenium for animals ranges from 0.04 to 0.1 mg kg −1, while a concentration exceeding 3.5 to 5 mg kg −1 in their food may cause harmful impacts [4, 10]. ... Total selenium concentration in soils derived …
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So far, selenium levels in the Elk River do not exceed Canadian Drinking Water Quality Guidelines of 50 µg/L. Therefore, consuming small amounts of river water is unlikely to cause problems. Selenium concentrations notwithstanding, …
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According to some authors, serum selenium levels are strongly associated with the severity of liver diseases, including liver cirrhosis. The aim of this study was to determine the …
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However, interaction tests revealed that the association between selenium blood concentrations and ALT levels was significantly influenced by age, gender, and BMI stratifications. Higher selenium concentrations were …
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exposure concentration. However, absorption efficiency can increase when there is selenium deficiency. Selenium distributes into many organs, but generally higher concentrations are …
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Abstract. In order to clarify the total selenium (Se) content and species of Se in the soils of Dashan Region, a typical Se-enriched area in China, 69 soil samples with different land-use purposes were collected, and the …
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Selenium levels in cows fed pasture and concentrates or a total mixed ration and supplemented with selenized yeast to produce milk with supra-nutritional selenium …
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Serum selenium levels: Evaluating serum selenium concentration is a standard method to assess selenium deficiency. National and international guidelines often provide …
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Serum selenium levels were 126, 146 and 154 μg/L, respectively [19]. In the control group, the mean serum selenium concentration was 113 μg/L. Finnish men participated in a trial where …
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The normal concentration in adult human blood serum is 110 to 165 mcg/L. Optimal selenium concentration is age dependent (see Reference Values); children require less circulating …
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St. John's wort (Hypericum perforatum L.) was grown under different levels of UV-B radiation, with selenium (10 mg l −1 Se applied by foliar spraying in the form of sodium …
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An overview of Se in the environment. (A) Sources of Se in the environment; (B) Selenium in the soil-plant-water consumer system.Plant roots take up Se (selenate or selenite) from the soil …
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The importance of selenium in the marine environment is highlighted by its bilateral behavior as a nutrient and toxic element. The cathodic stripping voltammetry validated method was used to determine the selenium …
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This study analyzes selenium levels in soils, crops, and human hair in Aksu, Xinjiang, a selenium-rich farmland, focusing on the Selenium-Crop-Hair System (SCHS). ...
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Whether Selenium (Se) deficiency relates with adverse prognosis in Chinese patients with heart failure (HF) is still unknown. This study aimed to investigate the association …
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Selenium (Se) is a nonmetallic trace element that has chemical affinities for sulfur (S) and organic carbon (C org) compounds. It occurs in generally low concentrations in most natural materials including soils. Selenium is an …
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The relationship between native blood selenium concentration and redox balance in the body seems interesting. In the available literature of the subject we have not identified …
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The objectives were to determine effects of graded levels of selenized yeast derived from a specific strain of Saccharomyces cerevisiae (CNCM I-3060) on animal performance and …
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Selenium concentrations in soils collected from China are summarized in Table 1, they ranged from 0.010 to 16.240 mg·kg −1, ... Hair selenium levels of school children in Kashin …
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cancer, or Hodgkin's lymphoma, had significantly lower selenium levels in the blood than healthy patients. (1,2,4) Epidemiological studies that used the selenium concentration in crops as an …
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In particular, the dose–response meta-analysis indicates that an increase in plasma selenium concentration above 100 μg/L does not further increase IgA levels nor T cells, as …
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both organic and inorganic compounds, selenium may reach levels up to 82 times its crustal concentration (Lussier et al. 2003). Selenium (Se) concentrations in raw coal are typically …
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The most commonly used measures of selenium status are plasma and serum selenium concentrations [2,4]. Plasma or serum selenium concentrations of 8 micrograms ... Bleys J, …
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Selenium levels in many parts of Europe are notably lower than those in the United States, ... Notably, the thyroid gland contains the highest selenium concentration among all …
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- The Selenium, Serum/Plasma test measures the concentration of selenium in micrograms per liter (µg/L) to assess nutritional status or detect selenium toxicity. This test can be used for …
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