Sentences with phrase «from reactive molecules»

Not exact matches

That's because it comes from plants, which are prolific producers of polyphenols, antioxidant compounds believed to mop up so - called free radicals, very reactive molecules that can damage DNA.

In this case, he was testing the idea that a buildup of cellular damage caused by oxidation — technically, the chemical removal of electrons from a molecule by highly reactive compounds, such as free radicals — is the main mechanism behind aging.

The immune system may kick in when animals eat, releasing reactive oxygen molecules to kill microbes on food, helping to protect from disease.

This fact makes vacuum UV light extremely useful for industrial applications from sterilizing medical devices to cleaning semiconductor substrates because when it strikes oxygen - containing molecules on a surface, it generates highly reactive oxygen radicals, which can completely destroy any microbes contaminating that surface.

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.

On Pluto, ultraviolet light from the sun breaks apart gas molecules like nitrogen and methane to create reactive ions.

Healthy people who do not have cancer may very well benefit from antioxidants that can help reduce damage from highly reactive oxidative molecules generated by normal metabolism.

«Upon X-ray irradiation, they produce very reactive molecules which don't travel far from the injection site — they latch on and stay right where you put them,» Lin said.

In a new paper published online today in Nature Chemistry («On - surface generation and imaging of arynes by atomic force microscopy»), scientists from IBM Research and CIQUS at the University of Santiago de Compostela, Spain, have confirmed the existence and characterized the structure of arynes, a family of highly - reactive short - lived molecules which was first suggested 113 years ago.

Also, there are new kinds of freedom that traditional chemistry doesn't have, including freedom to select from nearly identical reaction sites, and freedom to keep very reactive molecules from touching anything until you're ready.

Mononuclear cells from the blood were isolated during the OGTTs to analyze if these cells were producing molecules known as ROS (reactive oxygen species).

Research suggests that Vitamin C is a highly effective antioxidant and that small amounts can protect essential molecules in the body from free radical damage and reactive oxygen species generated during normal metabolism, as well as through exposure to toxins and pollutants.

After control for potential confounders, women in the highest quintile of PHVO intake had higher plasma concentrations of C - reactive protein (CRP; percentage difference from lowest quintile: 45 %; P for trend: < 0.01), tumor necrosis factor - α (TNF - α; 66 %; P for trend: < 0.01), interleukin - 6 (72 %; P for trend: < 0.05), and soluble intercellular adhesion molecule - 1 (sICAM - 1; 22 %; P for trend: < 0.01) than did women in the lowest quintile.

* It is also a highly effective antioxidant that can protect the body's cells and molecules from damage by free radicals and reactive oxygen species generated during normal metabolism and exposure to environmental stressors.

* 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.

* 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.

Iron is a very reactive mineral, perpetually in a dynamic state in the body, moving rapidly from one molecule to another.

The mitochondria in our cells are responsible for releasing energy from the molecules in our food, but they also unleash electron - stealing free radicals like reactive oxygen and reactive nitrogen species.

Many of our body systems are susceptible to oxidative stress and damage from reactive oxygen molecules.

These reactive molecules are emitted by marine algae and liberated from salty sea spray.