Sentences with phrase «from reactive oxygen»

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

«Bioactive compounds reported to stimulate mitochondrial biogenesis are linked to many health benefits such increased longevity, improved energy utilization, and protection from reactive oxygen species.

In this theory, mitochondrial death from reactive oxygen species leads first to cell death, then organ death and that then kills the whole organism.

Nuts are high in phytate, which is a powerful antioxidant that promotes the growth of beneficial bacteria by protecting them from reactive oxygen species (oxidative stress).

On top of the problem recognition and methodology development, the article in Nature Energy also provides an initial approach to how the storage cell can protect itself from the reactive oxygen species.

Not exact matches

When potent oxygen radical scavengers such as cerium oxide nanoparticles (nanoceria) were combined with a highly charged polymer (polyacrylic acid) and incorporated into extracted chloroplasts using the LEEP process, damage to the chloroplasts from superoxides and other reactive oxygen species was dramatically reduced.

This causes the battery to overheat in the presence of its reactive lithium electrolyte and possibly catch fire (which is exacerbated by oxygen entering from outside).

One such oxygen - removing agent is rocket fuel, scientists from Rutgers University found specifically, vapors of hydrazine, a highly reactive and toxic compound.

Brenner said the NOX family are transmembrane proteins that generate reactive oxygen species (ROS) from oxygen.

In the case of cisplatin - induced hearing loss, kenpaullone appears to protect hair cells by preventing CDK2 from stimulating the production of toxic reactive oxygen species from the cells» mitochondria.

The team — which also included scientists from France (CNRS Marseille), Denmark (University of Copenhagen) and the UK (University of Cambridge)-- undertook a detailed investigation of a new class of LPMO enzymes use oxygen from the air to initiate a highly reactive oxidation process that allows a resistant form of starch to be broken down.

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

This metabolic demand makes brain cells particularly vulnerable to damage from oxidative stress, in which reactive oxygen species (ROS), sometimes called free radicals, exert toxic effects on cellular components.

This new paper, published in the journal Applied and Environmental Microbiology, demonstrates that MRSA die on copper surfaces by a multifaceted attack from copper ions and reactive oxygen species (ROS).

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.

Geologist Martin Kennedy and his colleagues from the University of California, Riverside realized that clay minerals in marine sediments are responsible for trapping the organic carbon that would otherwise bond with highly reactive oxygen.

Mitochondria help injured muscle cells (myofibers) repair by soaking up calcium that enters from the site of injury and using it to trigger increased production of reactive oxygen species.

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.

Oxidative stress reflects an imbalance between the reactive oxygen that is generated by normal cell metabolism and the cell's ability to handle toxic byproducts from that metabolism.

This symptom results from accumulation of porphyrins, tetrapyrrole intermediates in heme biosynthesis that generate reactive oxygen species when exposed to light, in the skin of affected individuals.

Itâ $ ™ s not a silly question, when one sees how oxidative stress and reactive oxygen species have been implicated in so many diseases, ranging from hypertension and atherosclerosis to neurodegenerative disorders.

I've been experimenting with T10 dextran coated iron oxide nanoparticles, obviously not the same as fullerenes, but still a very interesting tool, I've been testing if the coating is giving the particle antioxidant abilities because of it's the (basically) indigestable sugar chains (glucose) creating a high surface area which are largely made from hydroxyl groups, I hypothesised this act's as a «sink» for reactive oxygen species converting them to water.

So while it's true that organisms living deep in the Earth are not exposed to the high - energy radiation found when you travel between planets or more hypothetically between stars, the systems that cells have evolved to repair damage done by reactive oxygen species will be useful whether they arise from rocks or from cosmic rays.

A Emory News item on a helpful part of the microbiome focuses on how the same type of bacteria â $ «lactobacilli â $ «activates the same ancient signaling pathway in intestinal cells in both insects and mammals. It continues a line of research from Rheinallt Jones and Andrew Neish on how beneficial bacteria stimulate wound healing by activating ROS (reactive oxygen species).

Seen from space humans, trees, elephants, or even whales are undetectable and unremarkable, yet Earth would reveal its secret to an outside observer through the surprising abundance of a highly reactive gas, molecular oxygen.

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

More than one hundred vitamin B6 - dependent enzymes have been identified, mostly involved in amino acid metabolism: for oxygen transport via hemoglobin synthesis; in blood sugar regulation via conversion of stored carbohydrate to energy; in the development of the myelin sheath surrounding nerve cells; in the conversion of alphalinoleic acid to the essential long - chain fatty acid DHA; 28 and in the synthesis of neurotransmitters, phospholipids and sphingolipids, the vitamin niacin from tryptophan, and other vital metabolites.5 In addition to its role in enzyme reactions, B6 appears to moderate the action of some steroid hormones such as the glucocorticoid hormones, which in turn influence the metabolism of protein, carbohydrate and lipids.5, 9 B6 also is a potent antioxidant, rivaling carotenoids and vitamin E in its ability to quench reactive oxidants in the body.29

So by replacing carbs with healthy fats, your cells» mitochondria are less likely to suffer damage from free radicals that are caused by reactive oxygen species or ROS.

Like the other antioxidant vitamins discussed above, vitamin E prevents tissue damage of the thyroid gland which can be caused by free radicals especially the reactive oxygen species formed from lipid peroxidation.

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.

Berries are high in proanthocyanins the bioflavanoid pigments that protect our cardiovascular systems from destruction by reactive oxygen species (ROS).

Increased reactive oxygen species (ROS) levels have been observed in post-mortem brain tissue from patients with neurodegenerative disorders, including [9]:

The reactive oxygen species and free radicals released from such reactions like lipid peroxidation can progressively damage neurons.

Most significantly, Tang - kuei is a natural source of ferulic acid, a potent antioxidant that protects cells from damaging reactive oxygen species (ROS).

EGCG can protect brain cells from oxidative damage caused by harmful free radicals and reactive oxygen species.

* 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.

If we eat anti-oxidants, we can prevent our mitochondria from being damaged by excessive reactive oxygen species.

Both factors may elicit a sympathetic and hypothalamic — pituitary — adrenal (HPA) axis response, which drive increased systemic reactive oxygen species production, chronic inflammation, and a metabolic substrate shift toward carbohydrate and away from fat oxidation, manifesting in an array of signs and symptoms often labeled as the overtraining syndrome.16

As an antioxidant, EGCG mops up free radicals and reactive oxygen species produced from lipid peroxidation.

Alpha Lipoic Acid Monograph Alternative Medicine Review 1998 (Aug); 3 (4): 308 — 311 ~ FULL TEXT Acting as a potent antioxidant, DHLA was found to protect rat pancreatic islet cells from destruction by reactive oxygen species.

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.

See Curry post on «Nonequilibrium thermodynamics and maximum entropy production in the Earth system» paper by Axel Kleidon (downloadable) https://judithcurry.com/2012/01/10/nonequilibrium-thermodynamics-and-maximum-entropy-production-in-the-earth-system/ «The Earth system is maintained in a unique state far from thermodynamic equilibrium, as, for instance, reflected in the high concentration of reactive oxygen in the atmosphere.

However, it is too chemically reactive to remain a free element in Earth's atmosphere without being continuously replenished by the photosynthetic action of living organisms, which use the energy of sunlight to produce elemental oxygen from water.

E.g. (from the CV on his website): «The coexistence of abundant oxygen with methane and other reactive gases, are conditions that would be impossible on a lifeless planet.»