نتایج جستجو برای: selenium toxicity
تعداد نتایج: 132053 فیلتر نتایج به سال:
Pechová A. , L. Pavlata , J . I l lek: Blood and Tissue Selenium Determination by Hydride Generation Atomic Absorption Spectrophotometry. Acta Vet. Brno 2005, 74: 483-490. The aim of the study was to optimize the method of blood and tissue selenium determination in ruminants, and to implement it in research and diagnostic practice. A method was developed for selenium determination by hydride ge...
Environmental context Knowledge of the fate selenium in estuaries receiving inputs from coal-fired power stations is essential as these environments are important nursery habitats for marine life and has been shown to cause fish bird mortality sublethal effects including oedema, chromosomal aberrations reproductive success. Understanding cycling allows risk assessment be undertaken appropriate ...
COX inhibitors reduce colorectal adenoma recurrence by up to 45% and selenium supplementation may prevent colorectal cancer. Following colonoscopic adenoma resection, 1,600 men and women, ages 40 to 80 years, were randomized to celecoxib (400 mg daily), a selective COX-2 inhibitor, and/or selenium (200 μg daily as selenized yeast), or double placebo. The trial was initiated in November 2001. Th...
Due to undesirable hazardous interactions with biological systems, this investigation was undertaken to evaluate the effect of chronic exposure to silver on certain biochemical and some oxidative stress parameters with histopathological examination of brain, as well as the possible protective role of selenium and/or vitamin E as nutritional supplements. Thirty six male rats were divided into si...
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