WE have recently suggested 1 that the decomposition of hydrogen peroxide by catalase is brought about by the successive reduction of the catalase iron by the peroxide and its re-oxidation by molecular ...

When you think of peroxide, you think of those brown bottles from the drugstore. Some people use it like cheap bleach to lighten hair color, but mostly it's poured on wounds as a disinfectant. Going ...

Antioxidant enzymes, such as glutathione peroxidase (GPx), catalase (CAT), and peroxiredoxin (Prx), are essential components in cells to eliminate excessive reactive oxygen species such as hydrogen ...

The COVID-19 pandemic has spread across the whole world, causing over 13.75 million confirmed infections and over 589,000 deaths until now. Many broad-spectrum antiviral drugs have been tried in an ...

Taken from a microbe that thrives in the depths of a Yellowstone National Park hot springs pool, a newly discovered enzyme may be the key to transforming industrial bleaching from environmentally ...

Cancer researchers have homed in on how high-dose vitamin C kills cancer cells. Vitamin C breaks down to generate hydrogen peroxide, which can damage tissue and DNA. The new study shows that tumor ...

Thousands of different chemical reactions must happen inside a cell every second in order for it to function. If these cellular reactions happen too slowly, the cell may die. If the cell is part of a ...

Ever wondered what your liver was for? Worth looking after it! Enzymes! There are tens of thousands of chemical reactions going on inside our bodies all the time. I'm at a farmers' market in Edinburgh ...