News tagged with reactive oxygen

Plasma tool for destroying cancer cells

Plasma medicine is a new and rapidly developing area of medical technology. Specifically, understanding the interaction of so-called atmospheric pressure plasma jets with biological tissues could help to ...

Mar 25, 2014 4.7 / 5 (18) 0

Niacin, the fountain of youth

The vitamin niacin has a life-prolonging effect, as Michael Ristow has demonstrated in roundworms. From his study, the ETH-Zurich professor also concludes that so-called reactive oxygen species are healthy, ...

Sep 30, 2013 4.5 / 5 (31) 0 | with audio podcast

Metal model mimics metalloenzymes

(Phys.org) —Metal ions play critical roles throughout biochemistry, often facilitating the cleavage of the bond between the two atoms in an oxygen molecule in metalloenzymes. They are the key to oxidizing ...

Aug 12, 2013 not rated yet 0 | with audio podcast

A designer enzyme for alternative energy

(Phys.org) —Imagine pulling energy out of thin air. Yi Lu and his colleagues are on that path, in a quest to find alternatives to fossil fuels. The team has designed an enzyme that can harvest the energy ...

Jun 21, 2013 4.5 / 5 (10) 7 | with audio podcast

DNA damage: The dark side of respiration

(Phys.org) —Adventitious changes in cellular DNA can endanger the whole organism, as they may lead to life-threatening illnesses like cancer. Researchers at LMU now report how byproducts of respiration cause mispairing ...

May 22, 2013 4.5 / 5 (2) 0 | with audio podcast