A new approach for activating chemical reactions based on the element selenium has been tested by scientists. They demonstrated that selenium can form bonds similar to those of hydrogen bonds, ...

The trace element selenium is an essential micronutrient that is required for the biosynthesis of selenocysteine-containing selenoproteins. Most of the known selenoproteins are expressed in the ...

Selenium is an essential trace element that is contained in various proteins and has both nutritional and potentially toxic properties. Selenium mainly exists as selenocysteine (Sec) and ...

Selenium is a mineral that may support several aspects of human health. Most adults need around 55 micrograms (mcg) per day. Sources include nuts, eggs, and some fish. Selenium is a nutrient that ...

High-dose supplementation with both the trace element selenium and vitamin E increase the risk of high-grade prostate cancer. But importantly, this risk depends upon a man’s selenium status before ...