Chalcogen-nitrogen chemistry deals with systems in which sulfur, selenium, or tellurium is linked to a nitrogen nucleus. This chemical motif key component of different functional structures, ranging from inorganic materials and polymers, rationally designed catalysts, bioinspired molecules enzymes. The formation selenium–nitrogen bond, typically occurring upon condensation an amine the unstable...

In both aquatic and terrestrial environment, selenium contamination may exist at concentrations above the micronutrient limit. Since there is such a narrow bandwidth between which concentration acceptable, health of public be risk toxicity once increases beyond threshold. Selenium in an aqueous environment can occur due to anthropogenic activities and/or from natural sources. This study present...

The aim of this study was to verify the hypothesis that the health and growth of turkey poults may be improved by supplementing diets fed to parent flocks with available selenium. Experimental poults originated from parent flocks fed with diets containing 0.3 mg/kg inorganic selenium (control group Se(M)) and organic selenium (experimental group Se(O)). Egg yolk selenium content was comparable ...

Svoboda M., R. Ficek, J. Drábek: Efficacy of Organic Selenium from Se-Enriched Yeast on Selenium Transfer from Sows to Piglets. Acta Vet. Brno 2008, 77: 515-521. The aim of the trial was to determine the efficacy of organic Se from Se-enriched yeast in placental transfer to piglets in the conditions of a Czech pig farm. In group I (n = 8) the sows were fed during gestation and lactation a diet ...

Se-supplemented fertilization is the main factor affecting the selenium (Se) contents of cereals in Finland. Soil and climatic conditions determine the activity of selenate added to soils and bioavailability to plants. In the present study the Se contents and its variation in Finnish oats, the differences between oat cultivars and cultivation techniques were examined. The selenium (Se) contents...