Sentences with phrase «oxidized form of»

(Technically, vitamin B2 is a cofactor for the enzyme glutathione reductase that reduces the oxidized form of glutathione back to its reduced version.)

D. Frescas et al (2017) Senescent cells expose and secrete an oxidized form of membrane - bound vimentin as revealed by a natural polyreactive antibody (http://www.pnas.org/content/early/2017/02/09/1614661114.short)

This new report shows that senescent cells expose on their surface and secrete into the blood an oxidized form of vimentin, a cytoskeleton protein that is normally present inside cells.

Conversion of carbon dioxide into useful products is complicated by the fact that CO2 is the most oxidized form of carbon and as such a very stable and unreactive molecule.

The red was rust — an oxidized form of iron pyrite, which commonly appears on local Precambrian fossil beds.

«The nickel fragments that sputter off of the pellet react with the oxygen atoms to produce an oxidized form of nickel that gets deposited onto the semiconductor,» Lewis says.

«It is really remarkable that even if the undamaged and the damaged guanine are bound in the active centre and assume identical positions, only the oxidized form of guanine is excised from DNA by the human repair enzyme hOGG1,» says Sadeghian, first author of the study.

This step only works if the sugar is bound to the oxidized form of the base.

«Contrary to the assumptions so far, that the oxidized form of guanine has to be activated first for the repair to take place, we have now shown that the sugar bound to it plays a crucial role in the first step,» Sadeghian reports.

Kaopectate, actually contains an oxidized form of pectin.

Blood cell size iron - oxygen spheres found in the vessels were identified as an oxidized form of formerly pyritic framboids.

Not exact matches

The experiments showed the team that, above a depth of 1,000 kilometers and below a depth of 1,700 km, bridgmanite contains nearly equal amounts of oxidized and reduced forms of iron.

The compound is oxidized, forming limonene oxide, and combined with carbon dioxide, a greenhouse gas, to form a new type of eco-friendly plastic.

The best idea, from Don Canfield [of the University of Southern Denmark], is that building up a little bit of atmospheric oxygen causes iron pyrite minerals in the continents to oxidize and form sulfate.

The researchers discovered that these catalysts — copper in the form of a white salt and the ligand as an oil — can oxidize C - H bonds in a very efficient way in combination with hydrogen peroxide, a reduced form of oxygen that nature uses.

Mercury emissions from human activities take several forms that behave differently in the atmosphere Oxidized mercury, notated as Hg (II), generally settles or is rained out of the atmosphere close to emission sources.

«I started off with a highly soluble form, V (+4), then oxidized it up to produce a supersaturated solution of V (+5).

«These high manganese materials can't form without lots of liquid water and strongly oxidizing conditions.

Hollibaugh and Abin think it might be possible for industry to maintain large cultures of their bacteria in simple holding tanks, feed it oxidized antimony and collect the antimony trioxide crystals as they form naturally.

The major problem has been that yttrium oxidizes instead of forming an alloy with the platinum.

In a high - light, oxidizing environment, microcystin - producing cyanobacteria have a survival advantage over other forms of cyanobacteria that are not toxic.

This research not only provides the first clear evidence that microorganisms were directly involved in the deposition of Earth's oldest iron formations; it also indicates that large populations of oxygen - producing cyanobacteria were at work in the shallow areas of the ancient oceans, while deeper water still reached by the light (the photic zone) tended to be populated by anoxyenic or micro-aerophilic iron - oxidizing bacteria which formed the iron deposits.

«The job of the photoanode is to absorb sunlight and then use that energy to oxidize water — essentially splitting apart the H2O molecule and rearranging the atoms to form a fuel.

Sulfur - oxidizing bacteria and other forms of bacteria that gain energy from the metabolism of inorganic compounds belong to a category of organisms called chemoautotrophs, as mentioned above.

Oxidizing the end carbon atom of a terminal alkene to form an aldehyde, a process called anti-Markovnikov alkene oxidation, is difficult because the reaction is energetically unfavorable.

These bacteria are able to oxidize (remove electrons) compounds such as hydrogen sulfide and store energy in the form of ATP (adenosine triphosphate), which is the universal «energy» molecule in all organisms, including humans.

The scientists sought to determine the oxidation levels of the magmas that formed these ancient zircons to quantify, for the first time ever, how oxidized were the gases being released early in Earth's history.

Do not request total cysteine (tCys); this test reports only cystine levels since labs often oxidize the specimen, so all cysteine is converted to cystine.48 Request cyst (e) ine; this terminology is used to indicate a combination of reduced (cysteine) and oxidized (cystine) forms.

Specifically, AGEs cause increased vascular permeability, arterial stiffness, interfering with nitric oxide which blocks dilation of blood vessels, promoting the secretion of cytokines (chemical warfare in the body), oxidizing LDL, and raising oxidative stress (a form of rust in the body).

It has been found that vitamin C can cross the blood - brain barrier via the GLUT1 receptor, in its oxidized form and is retained in brain tissue in the form of ascorbic acid.

There are two main forms of glutathione in the body: reduced glutathione (GSH) and oxidized glutathione (GSSG).

You see, the form of vitamin C used in the majority of products, ascorbic acid, is highly unstable, which means that it quickly oxidizes when it's exposed to air.

The antioxidant properties of these natural forms of vitamin E fight aging on a cellular level and keep LDL («bad») cholesterol from oxidizing and hardening in your blood vessels and arteries.

Once inside a cell, mercury (chemical symbol Hg) is soon oxidized to Hg2 +, which, as a hydrophilic (water - loving) and lipophobic form of mercury, can not easily pass through biological membranes.

And there's a lot of talk about this especially in the Paleo community right now about how fish in its extracted form may be unnatural, maybe has a lot of these oxidized fatty acid that are in it and then maybe we shouldn't be eating as many fish oil supplements as we've been led to believe that we should.

This causes a lot of nitrates to form and the cholesterol in the milk is oxidized.

Fat is burned from the body when cells oxidize to release energy in the form of exercise or movement.

Several qualities distinguish alpha - lipoic acid from other antioxidants: ALA can be synthesized by animals and humans; [1] it neutralizes free radicals in both the fatty and watery regions of cells, in contrast to vitamin C (water soluble) and vitamin E (fat soluble); and, ALA functions as an antioxidant in both its reduced and oxidized forms.

Centered by a circle of natural turquoise, the pendant of this necklace is crafted of sterling silver with oxidized zigzag motifs that form a corona.

Here, DiBenedetto goes full William Baziotes — channeling the great under - sung Abstract Expressionist who specialized in fuzzy fields and mythological - like beings contained in fields of flushed color — and gives us great fiery paintings colonized by creatures and forms with effluvia, faces, feet, head dresses, and resemble oxidizing coral reefs of original vision, with little hints of curving helicopter blades and mollusk - like octopus legs.

CO2 is the stable form of carbon in an oxidizing atmosphere.

If the released carbon were initially in the form of methane, it would have been oxidized to CO2 within a few decades, but as CO2 it apparently stuck around, warming the deep ocean, for a long time before it went away.

«When methane makes its way into the upper atmosphere, it is oxidized by a complex series of reactions to form water vapor,» Russell added.

Increased biomass can lead to increased emissions of biogases such as dimethyl sulfide and isoprene, which when oxidized in the atmospheric form sulphate and organic aerosols that can nucleate clouds, increasing cloud cover and planetary albedo — the CLAW Hypothesis.

Then 14C is oxidized to form carbon dioxide and circulates within the carbon cycle between different reservoirs, some of which are very inertial, and it gets eventually absorbed by trees by means of photosynthesis.