Unsafe levels of selenium, sometimes referred to as an "essential toxin," can be reduced by a microbiological treatment. With this method, microorganisms reduce selenate to the less-toxic elemental ...

Exactly 200 years after the discovery of the trace element selenium, researchers have shown for the first time why this chemical element is indispensable for mammalian life. As integral part of the ...

From its previous understanding as an obscure element, selenium has become an intriguing component of health, disease, as well as many industrial processes. Selenium can be found in 75 minerals, some ...

Selenium is a group 16 element with the atomic number 34. It is a metalloid and shares several of its properties with oxygen and sulfur, which are the most well-known members of this group. Jons Jakob ...