Sentences with phrase «reactive oxygen molecules»

The new cobalt catalyst also splits water into hydrogen and oxygen without creating the kind of reactive oxygen molecules that can damage DNA or other processes essential to continuing life.
Otherwise, it would be difficult to tell what the «normal» amount of circulating reactive oxygen molecules in the animal's body was.
The immune system may kick in when animals eat, releasing reactive oxygen molecules to kill microbes on food, helping to protect from disease.
* It is also a potent antioxidant that can protect the body's cells and molecules from damage by free radicals and reactive oxygen molecules generated during normal metabolism and typical environmental exposures.
Many of our body systems are susceptible to oxidative stress and damage from reactive oxygen molecules.
It has been theorized that the major cause of bleaching is the result of chloroplast damage due to heat stress, which results in the production of toxic, highly reactive oxygen molecules during photosynthesis.
They found that soluble iron in the earliest oceans quickly combined with oxygen to form rust — forming reactive oxygen molecules, which damage biological tissue and make the cyananobacteria grow more slowly and produce less oxygen.
Some experts blame aging on the corrosive capability of chemically reactive oxygen molecules or «oxidants» churned out by mitochondria inside cells.
It boosts the immune system, protects vision, stops the build - up of oxidised fats, and helps to convert carbohydrates into energy and most crucially reduces the damage done to important cell components caused by reactive oxygen molecules such as free radicals and peroxides7.
But in order to look for oxidative damage during eating, Stahlschmidt and his collaborators had to compare the amount of reactive oxygen molecules in an organism during digestion and well after the animal was done absorbing a meal.
Scientists have long assumed that wounded mitochondria release reactive oxygen molecules, which then damage DNA and proteins, increasing disease risk.
Exposing body tissues to highly reactive oxygen molecules can damage proteins, lipids, and DNA, hastening aging and cell death.
* It is also a highly effective antioxidant that can protect the body's cells and molecules from damage by free radicals and reactive oxygen molecules generated during normal metabolism and exposure to environmental stressors.
The salicylic acid treatment disrupted the normal daily fluctuation of reactive oxygen molecules in the plants» cells.
The damage sensors lit up first, with the hydrogen peroxide marker following moments later, suggesting that the reactive oxygen molecules are indeed a sign, and not a cause, of injury.
Essentially, the reactive oxygen molecules that have an extra electron exert a stronger force on the tip than the unreactive ones, and thus we can distinguish them.»
But organisms from humans to algae also have another clock that doesn't rely on rhythmic gene expression to keep time, but instead uses the rise and fall of the reactive oxygen molecules that are formed as natural byproducts of metabolism.
Increased glucose processing has long been thought to inflict damage on the mitochondria (the cell's power generators), which then produce large amounts of reactive oxygen molecules, which in turn leads to kidney disease.
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