Príklady selenium

• Selenium is part of an enzyme that helps defend against free radicals.

• Tests of various possibilities led to a focus on the effects of selenium.

• Earlier studies have also shown lower levels of selenium in blood plasma in patients with rheumatoid arthritis compared to healthy individuals.

• In some cases, increased salinity or toxic materials (for example arsenic, selenium) from both natural and human sources have rendered the groundwater unusable even for agricultural purposes.

• Twelve chapters examine environmental deficiency and toxicity, and cover: volcanic emissions; radon; arsenic; fluoride; water hardness; selenium; iodine, aerosols and soil-borne pathogens, with more general reviews.

• According to these studies, the supply of selenium to domestic animals and the general population has declined.

• For this reason, 10 grammes of selenium, rather than just six, are now being added to selenium fertilizers.

• There is a known selenium deficiency in the soils in this country.

• No action is recommended specifically to avoid selenium deficiency.

• I should like very much to know what happens in the manufacture of selenium and what it is used for.

• Selenium is a substance listed here, and it also is very toxic, affecting particularly the lungs and trachea.

• We are all pleased to see that the various forms of arsenic trioxide have now been exempted and that selenium has been taken out.

• I now wish to ask questions about the three metallic substances, uranium, beryllium and selenium.

• Selenium is an essential trace element which is particularly important in protecting the body against oxidative damage of the cells.

• They have ranged from anthropological problems and problems concerning the relations between families or nations, to research on the toxicity of selenium.