Sentences with phrase «with oxygen molecules»

This is not the first catalyst with a metal core that can pull CO2 from a gas stream, but it is the first that when faced with air, prefers to couple with oxygen molecules.
Also, this torque will depends on the quality of the air (I mean the less denser, more denser with the oxygen molecules)...?
The number of carbon molecules that must be oxidized with oxygen molecules is different with E85 than pump gasoline.
In the process of energy production, single electrons escape from the «factory line» and react with oxygen molecules to form free radicals such as peroxide and superoxide.

Not exact matches

The reason why the bifurcation of nature is always creeping back into scientific philosophy is the extreme difficulty of exhibiting the perceived redness and warmth of the fire in one system of relations with the agitated molecules of carbon and oxygen, with the radiant energy from them, and with the various functionings of the material body.
Oxygen bleach is made by reacting molecules with hydrogen peroxide.
The test, which could be available to patients within two years, identifies the chemical signatures found in the plasma of blood joint proteins damaged by oxidation, nitration and glycation; the modification of proteins with oxygen, nitrogen and sugar molecules.
Unlike water or regular ice, in superionic ice the water molecules dissociate into charged atoms called ions, with the oxygen ions locked in a solid lattice, while the hydrogen ions move like the molecules in a liquid.
Now, the «smart» bandage developed by the team provides direct, noninvasive measurement of tissue oxygenation by combining three simple, compact and inexpensive components: a bright sensor molecule with a long phosphorescence lifetime and appropriate dynamic range; a bandage material compatible with the sensor molecule that conforms to the skin's surface to form an airtight seal; and an imaging device capable of capturing the oxygen - dependent signals from the bandage with high signal - to - noise ratio.
In the end, Liu replaced the original system's problem catalysts — which made a microbe - killing, highly reactive type of oxygen moleculewith cobalt - phosphorus, which didn't bother the bacteria.
The sun's ultraviolet rays split some of these oxygen molecules, and the freed elemental oxygen combined with normal oxygen to create ozone.
The human pathogen Pseudomonas aeruginosa produces molecules called phenazines that help it to cope with the oxygen - limited conditions within biofilms.
Beyond their immediate effects, VOCs react with other molecules in the air, such as oxygen and nitrogen oxides, to generate ozone as well as fine particulate matter.
Complex organic molecules, consisting of carbon bonded with other elements like oxygen and hydrogen, are common in the Milky Way, but it was uncertain whether they would be produced in certain dwarf galaxies like the neighboring Large Magellanic Cloud.
Once inside, the volatile oxygen molecule reacts with carpets, chemical cleaner residue and human skin.
To identify a truly Earthlike exoplanet with the potential for life, astronomers need to confirm three essential attributes: an atmosphere that contains life - supporting molecules such as oxygen and water, plus a size and mass similar to Earth's.
Solar particles (the electric current) stream down Earth's magnetic field lines (the tube) and collide with molecules of nitrogen and oxygen (the gas), exciting them until they glow in various colors.
Fed with the nutrients in the gel, along with oxygen, bacteria called Acetobacter xylinum make cellulose, a molecule that speeds healing when placed on the surface of a wound.
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.
Researchers at the University of Southampton have engineered cells with a «built - in genetic circuit» that produces a molecule that inhibits the ability of tumors to survive and grow in their low oxygen environment.
While lower - energy ultraviolet radiation breaks up water molecules — a process called photodissociation — ultraviolet rays with more energy (XUV radiation) and X-rays heat the upper atmosphere of a planet, which allows the products of photodissociation, hydrogen and oxygen, to escape.
When mixed with citric acid and PEG, and slightly heated, caffeine opens up an oxygen - containing ring in the PEG, allowing it to react with citric acid to form chains that consist of alternating molecules of PEG and citric acid.
It's called oxidizing because it causes the molecule to undergo a reaction in which it combines with oxygen, breaking C - H bonds and forming new carbon - oxygen bonds.
The heat absorbed by water vapor and carbon dioxide is shared with all the nitrogen, oxygen and argon, because the latter molecules are always bumping into water vapor and carbon dioxide as they mix in the atmosphere.
Before gene therapy he needed monthly blood transfusions to provide him with beta - globin, a key component of the haemoglobin molecule that carries oxygen around the body.
MacDonnell also has worked on developing new photocatalysts for hydrogen generation, with the goal of creating an artificial photosynthetic system which uses solar energy to split water molecules into hydrogen and oxygen.
Frontier electron density at the ether oxygen position and superdelocalizability at the ortho position show good parallelism with biological activity — that is, the stimulant activity of phenyl ether choline molecules.
But any closer investigation of ice and its remarkable properties has to start with water molecules — each with one oxygen atom joined to two hydrogen atoms.
Roth and his colleagues instead went looking in Hubble's ultraviolet images, which can capture the light emitted when hydrogen and oxygen molecules collide with stray electrons.
«Those electrons are driven into the upper atmosphere, collide with nitrogen and oxygen atoms and molecules, and then create a spray of secondary and tertiary radiation, likely in the form of gamma rays,» Tobiska says.
Normally, one metal atom (either barium or calcium) can react with an oxygen atom to produce a stable molecule.
When an oxygen molecule comes in and wants to react with that surface, much less energy is needed to break the oxygen - oxygen bond in the oxygen molecule.
Interestingly, it is also possible to inject an additional electron to an individual oxygen molecule with the same tip, and then observe the transition from the inactive to the active state.
A three - dimensional metal — organic framework with interpenetrating bridging ligands and guest molecules denoted as large balls (color codes: cadmium, dark magenta; chlorine, green; oxygen, red; nitrogen, blue; carbon, black).
The same process also happens when the surface of the titanium oxide is irradiated with light — electrons are liberated inside the material, and can come to the surface to activate one of the oxygen molecules.
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.
Oxygen radicals normally react haphazardly with other molecules and quickly fall apart, so scientists would have expected only a single oxygen atom to rOxygen radicals normally react haphazardly with other molecules and quickly fall apart, so scientists would have expected only a single oxygen atom to roxygen atom to result.
Tapping into these benefits won't be easy — resveratrol is a fragile molecule that changes when it comes in contact with oxygen — but it may be possible to synthesize a stable version of the compound to fight aging.
In the «first stage» light is absorbed and used to produce energy molecules, with oxygen as a byproduct.
Unlike most microbes, which trade their harvested electrons to oxygen molecules, R. ferrireducens trades with earth minerals like iron oxides.
In addition, treatment with Korean red ginseng extract suppressed the expression of RSV - induced inflammatory genes and the formation of chemically reactive molecules containing oxygen, which play a role in virus - induced epithelial damage in RSV.
With the icy planets in our solar system, «ice» refers to hydrogen molecules connected to lighter elements, such as carbon, oxygen and / or nitrogen.
The gas is produced by splitting up oxygen molecules with an electric discharge.
How the «moth eye solar cell» functions: with the help of sunlight water molecules are split into oxygen and hydrogen.
Ideally, you'd also measure other gases like carbon dioxide and carbon monoxide [a molecule with one carbon atom and one oxygen atom].
In doing these simulations, the team made sure they balanced the reactions that could put oxygen molecules in the atmosphere with the reactions that might remove them from the atmosphere.
«You start with water, add energy to split the oxygen and hydrogen molecules apart, and get H2.
In a third study published online by Science on 6 April (www.sciencexpress.org), molecular geneticist Valter Longo of the University of Southern California in Los Angeles and colleagues battered a population of yeast mutants with heat or paraquat, a chemical that creates reactive oxygen molecules.
The concoction of light with water and oxygen molecules leads to substantial defect - healing in metal halide perovskite semiconductors.
More research produced the answer: Vitamin C induced what is known as a Fenton reaction, causing iron to react with other molecules to create reactive oxygen species that kill the TB bacteria.
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