Sentences with phrase «oxygen production in»

«Understanding the evolutionary trajectory that nature used to create oxygen production in photosynthesis is one component that will help scientists design an efficient and effective system.

Dynamic molecular oxygen production in cometary comae.

Not exact matches

• EIV Capital has made a «significant» investment in EcoVapor Recovery Systems, a Denver, Colo. - based provider of vapor recovery and oxygen removal solutions at hydrocarbon production facilities.

Using software, the machine can calibrate production by letting in just the correct amounts of oxygen and light.

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They also are rich in iron, which helps transport oxygen from the lungs to the rest of the body, and is integral for energy production and metabolism.

The way Haisley puts it in the above passage assumes not only the benefit of hindsight (which, goddamn dude, take this into account the next time you lose enough oxygen to your brain to think writing about Arsenal is a good idea), but also that his level of production from 2011 - 2012 would continue well into his twilight years at Arsenal.

Because they are some guy (or gal's) business, each tree that gets cut down for Christmas gets another one planted in its stead and the cycle of oxygen production continues.

This formula is fortified with iron, which is crucial to your baby's development, especially in the production of more red blood cells to transport the oxygen through your baby's growing body.

Columbia University biologists have revealed a mechanism by which bacterial cells in crowded, oxygen - deprived environments access oxygen for energy production, ensuring survival of the cell.

The technology can be applied to upstream production of gas as well as in petrochemical plants and for medical uses to harvest oxygen from other gases.

What differentiates this process from tradition biofuel production is the infusion of hydrogen — it removes the dilutive oxygen that most biofuels contain, leaving only the combustible isoparaffins and paraffins, which are indistinguishable from the molecules in refined petroleum.The only byproduct of the process is propane, which can be reintroduced into the production loop as a source of hydrogen.

This happens because the loss of blood flow in a vessel causes the local oxygen level to drop, which stimulates local production of vascular endothelial growth factor, or VEGF, a protein which in most tissues causes the growth of new blood vessels to repair damage.

Does this affect oxygen production, and in turn cause any problems for local wildlife?

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.

Using mice in which the production of the enzyme was blocked, the researchers found that mice lacking FIH in their muscles require more oxygen than normal when exercising.

The U of G researchers found that it is precisely under conditions of low oxygen that cancer cells trigger the production of cadherin - 22, putting in motion a kind of protein boost that helps bind cells together, enhancing cellular movement, invasion and likely metastasis.

To better understand the cycle of magma production, the researchers analyzed oxygen isotope ratios in quartz and zircon, water - and heat - resistant minerals, from volcanic rocks in the Yellowstone caldera.

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.

Grossman explains: «One theory that we are exploring is that under heat - stress conditions the corals eject the algal symbionts at night in order to avoid the production and accumulation of photosynthetically - derived toxic oxygen molecules during the day.

In addition, the connection between iron levels and oxygen production found here will help researchers to reconstruct the long - term processes behind the evolution of animals — which need high levels of oxygen.

By applying millisecond laser light pulses to HCN channels tagged with a fluorescent photosensitizer, Zhou and colleagues were able to elicit the production of small amounts of singlet oxygen in a precise location and monitor its effects on the channels in open and closed states.

«There is a growing body of data that points to oxygen production and accumulation in the ocean and atmosphere long before the GOE,» said Timothy W. Lyons, a professor of biogeochemistry in the Department of Earth Sciences and the lead author of the comprehensive synthesis of more than a decade's worth of study within and outside his research group.

«[T] he high seas provide a range of ecosystem services, from driving weather systems and modulating the climate to the production of a high percentage of the oxygen we breathe,» states a letter signed by hundreds of marine scientists, including conservation icon Sylvia Earle, in support of the Law of the Sea approach.

«We have developed a new type of protective coating that enables a key process in the solar - driven production of fuels to be performed with record efficiency, stability, and effectiveness, and in a system that is intrinsically safe and does not produce explosive mixtures of hydrogen and oxygen,» says Nate Lewis, the George L. Argyros Professor and professor of chemistry at Caltech and a coauthor of a new study, published the week of March 9 in the online issue of the journal the Proceedings of the National Academy of Sciences, that describes the film.

Over the course of coming decades, though, trade wind speed is expected to decrease from global warming, Thunell says, and the result will be less phytoplankton production at the surface and less oxygen utilization at depth, causing a concomitant increase in the ocean's oxygen content.

«More specifically, different colors (or wavelengths) of ultraviolet light can affect oxygen and ozone production and destruction in different ways.»

In turn, the seagrasses produce oxygen that gives the bivalves an extra boost in energy productioIn turn, the seagrasses produce oxygen that gives the bivalves an extra boost in energy productioin energy production.

If so, he says, this could lead to new, legal ways to boost red blood cell production in athletes, much like using oxygen tents or training at high altitudes.

They compared the production, combustion and gas emissions of biochar, which is produced by slow heating of the biomass at a temperature of 450 °C (842 °F) in an oxygen - free furnace with hydrochar.

The team presents new isotopic data showing that a burst of oxygen production by photosynthetic cyanobacteria temporarily increased oxygen concentrations in Earth's atmosphere.

The team, led by Professor Greg Cook, found that in such conditions the bacterium is able to quickly switch its cellular metabolism from a primarily oxygen - based one over to one that uses fermentation for energy production instead.

In a 2003 research review, Nancy Roizen of the Cleveland Clinic and David Patterson of the University of Denver focused on a particular gene that is crucial to energy production and oxygen utilization inside cells.

Traditionally, suppressing oxygen while feeding biodegradable waste to microbes results in the production of methane - rich gas through anaerobic digestion.

Also, in both cell culture and a mouse model of the condition, blocking the excessive splintering reduced production of reactive oxygen species, a potentially harmful byproduct of metabolism, as well as cell death.

«That assumption is so far entrenched in our thinking that global climate models simply don't allow for methane production in the presence of oxygen.

This happens because the loss of blood flow in a blood vessel causes the local oxygen level to drop, which stimulates local production of vascular endothelial growth factor, or VEGF, a protein that in most tissues causes the growth of new blood vessels to repair damage.

Thus, Rho - kinase inhibition at low oxygen tension can be regarded as a potential way to enhance extracellular matrix production and maintain a chondrocyte phenotype in cell - based tissue engineering applications.

The improvement transformed a catalyst that created two or three oxygen molecules per second to one that produces more than 100 per second — with a corresponding increase in the production of protons and electrons that can be used to create hydrogen fuel.

Whilst the supplements did not affect maximal oxygen uptake or the results of a 20 metre shuttle test, the results showed that markers for the production of new muscle mitochondria — the power supply for cells — increased only in the group without supplements.

Above this mass, in the upper main sequence, the nuclear fusion process can instead use atoms of carbon, nitrogen, and oxygen as intermediaries in the production of helium from hydrogen atoms.

Hepatitis C Virus Regulates Transforming Growth Factor [beta] 1 Production Through the Generation of Reactive Oxygen Species in a Nuclear Factor [kappa] B - Dependent Manner.

They are also necessary for the production of substances such as cholesterol and heme (a component of hemoglobin, the molecule that carries oxygen in the blood).

The production of methane is accelerated because stationary pools of water contain much less oxygen than a flowing river interacting with the atmosphere and microbes thrive in low - oxygen environments.

One very effective way to «deal» with free oxygen is the production of «oxygen reductases»: proteins that reduce oxygen to water, and simultaneously conserve the energy inherent in this chemical reaction.

«Since the photoelectrochemical cell is built for the purpose of hydrogen production and HMF oxidation simply replaces oxygen production at the anode, in essence, no resources are used specifically for HMF oxidation,» says Choi.

But oxygen is a vital component in ATP's production, so your cells» power centers will quit not long after your lungs do.

He also covers the role of oxygen vacancy defects in changing carbon dioxide's performance, providing a fundamental understanding of a topic with implications in carbon sequestration and fuel production.

In addition, the loss of Ripk2 has been demonstrated to result in the inability of cells to carry out mitophagy, leading to enhanced mitochondrial production of superoxide / reactive oxygen species and accumulation of damaged mitochondria that will trigger a caspase 1 — dependent inflammasome activation (Lupfer et al., 2014In addition, the loss of Ripk2 has been demonstrated to result in the inability of cells to carry out mitophagy, leading to enhanced mitochondrial production of superoxide / reactive oxygen species and accumulation of damaged mitochondria that will trigger a caspase 1 — dependent inflammasome activation (Lupfer et al., 2014in the inability of cells to carry out mitophagy, leading to enhanced mitochondrial production of superoxide / reactive oxygen species and accumulation of damaged mitochondria that will trigger a caspase 1 — dependent inflammasome activation (Lupfer et al., 2014).

They describe that the alterations are due to a disproportionate, though transitory, increase in the production of radical oxygen species (ROS) in the hypothalamus.