Selenium is an important trace element, but it is toxic if an excess is taken. Selenosis can occur when the tolerable upper intake level of selenium exceeds 400 mg per day. Elemental selenium, as well ...

A 2D platform of molybdenum, sulfur and selenium is adept at detecting biomolecules via surface-enhanced Raman spectroscopy. Its nonmetallic nature helps by curtailing background noise. A sandwich of ...

Definition:Raman Spectroscopy is a sophisticated analytical technique used to observe vibrational, rotational, and other low-frequency modes in a system. This material characterization technique ...

HOUSTON - (May 14, 2020) - A sandwich of molybdenum, sulfur and selenium turns out to be deliciously useful for detecting biomolecules. Tests at Rice University's Brown School of Engineering of a ...