Sentences with phrase «by oxygen atoms»

Specifically, they are interested in those genes that are involved in tyrosine phosphorylation — the attachment of a phosphate group (a phosphorous surrounded by oxygen atoms) to distinct sites in protein chains where there is a tyrosine residue.

When tungsten is in the water it is surrounded by oxygen atoms and forms an anion, Datta said.

The material is made up of zirconium and tungsten atoms connected by oxygen atoms, which, when heated, bend like elbow joints.

POMs are molecular transition metal - oxygen clusters in which the metal atoms are bridged by oxygen atoms to form a three - dimensional network.

The structure of the steps determines whether they remain active or become deactivated by oxygen atoms.

Not exact matches

If humans were not designed by a higher authority, how can each individual's DNA be uniquely different among the human species, especially different than the other animals; how can the life sustaining elements be constantly available and exist in exact formulations: O, H, C etc. water is always 2 atoms of Hydrogen and one atom of Oxygen; sugar, fats, grains, and any bio-chemical products can be broken down to their simplest forms of elements, but can be re-constructed with specific (not by chance) formula.

This organic whole that began from an initial high bang and eventuated into the present universe is distinguished by a form of unity and diversity radical beyond all imagining: infinite differences, and diversity that is marked not by isolation but by shared atoms over millennia as well as minute - by - minute exchanges of oxygen and carbon dioxide between plants and animal.

The events that make up the hydrogen and oxygen atoms are affected by their environments.

According to substance thinking the atoms of hydrogen and oxygen are unaffected by their combination.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

Alternatively, the water at Cabeus may have been created when hydrogen atoms carried by the solar wind slammed into oxygen - rich materials in the lunar surface.

Like water, it is held together by the powerful bonds between hydrogen and oxygen atoms, so ethanol can not travel through most petroleum pipelines.

Using a molecular dynamics code called NAMD, the team ran simulations of the wild lignin and the genetically modified lignin in a water cube, modeling the presence of the aldehydes by altering the partial charges of the oxygen and hydrogen atoms on the modified lignin's allylic site.

Specifically, the authors mixed two types of strands that differed only by the presence or absence of two oxygen atoms.

When cerium oxide III is mixed with free radicals, it catalyzes a reaction that effectively defangs the ROS by capturing oxygen atoms and turning into cerium oxide IV.

Atoms of most elements, such as hydrogen, oxygen and carbon, form tight chemical bonds by sharing electrons with their neighbours in order to give each atom a stable configuration of electrons.

When paint is first spread on with a brush, the carbon atoms jump into action by bonding with oxygen in the atmosphere.

Oxygen atoms are highly reactive, yet the world does not spontaneously burn, even though everything is surrounded by this aggressive element.

The green glow photographed by Kumar and Bondoux emanates from oxygen atoms in the atmosphere returning to their lowest - energy state after being excited by charged solar particles.

Under greater pressures and temperatures, it transforms into an even denser form called stishovite, with silicon atoms surrounded by six oxygen atoms.

The first - discovered high - pressure, high - temperature denser form, or phase, of silica is called coesite, which, like quartz, consists of building blocks of silicon atoms surrounded by four oxygen atoms.

Our catalyst improves this process by passing through a chemical intermediate — called an eta -3-ozone intermediate — in which the two oxygen atoms from molecular oxygen can be easily separated from each other and passed on to two different molecules of substrate.

«By stabilizing the energy of oxygen atoms and electrons, the catalyst lowers the energy cost of selective oxidation reactions just like a bank facilitates the sale of a car from one person to another.

An atmospheric water molecule can be broken apart by sunlight, releasing the two hydrogen atoms from the oxygen atom that they had been bound to.

They bonded a thin layer of indium phosphide, a compound that acts as a medium for the laser, onto silicon sheets by exposing both materials to a blast of hot, electrically charged oxygen atoms; the indium phosphide was spiked with aluminum gallium indium arsenide to give it added speed.

Scientists suspect water on the surface of Mars evaporates, rises into the upper atmosphere, breaks into hydrogen and oxygen atoms, and is then swept into outer space by the solar wind.

He said scientists suspected that the DNA polymerase was inserting nucleotides that were damaged by carrying an additional oxygen atom.

Second, they're drawn by carbon atoms with high spin charge, which interacts with the oxygen atoms» spin - polarized electron orbitals.

Their study reveals the atom - level mechanisms by which doped nanomaterials catalyze oxygen reduction reactions (ORR).

They now want to use the technique with Shewanella oneidensis, a bacterium that can reduce graphene oxide by removing oxygen atoms as it metabolises.

Inside the AlloSphere, researchers such as Van de Walle use a joystick to maneuver through three - dimensional constellations of the oxygen, hydrogen and zinc atoms (linked by a complex lattice of chemical bonds) that make up these conductors.

However, when water molecules are broken by the stellar radiation into hydrogen and oxygen, the relatively light hydrogen atoms can escape the planet.

Lower in the atmosphere, oxygen atoms and hydroxyl radicals (OH), which form when water molecules are broken apart by ultraviolet photons, oxidize methane.

A neutral oxygen vacancy, a place where an oxygen atom should appear in the lattice but is instead replaced by two electrons, is represented by the yellow shape, which depicts the charge density of those electrons.

In this diagram, the atomic lattice of a crystal of barium oxide is depicted, with atoms of oxygen and barium represented by red and gray spheres.

The etching is done in a plasma chamber where the diamond is bombarded by argon and oxygen ions, ripping the carbon atoms out of the diamond crystal.

On the other hand, oxygen atoms in the dusty disk that would have been heated by stellar accretion within 5 AUs of the Sun could have quickly combined with primordial carbon grains.

Some of these light - element nuclei also might be produced by cosmic rays shattering atoms of carbon, nitrogen, oxygen, and other elements in the interstellar medium.

While iodate is huge and surrounded by negative oxygen atoms, its central iodine atom takes on a positive character, or becomes a cation.

XRD data of all the flash states studied revealed an anomalous diffraction signal from Mn that is not complicated by signals from the overall protein matrix of carbon, nitrogen, oxygen and other metals, or even by the Ca atom, which is a part of the five atom Mn4Ca metalloenzyme complex.

Nitrogen, in the form of nitric oxide (one nitrogen atom and one oxygen atom), has been detected for the first time on the surface of Mars by a team of researchers using the Sample Analysis at Mars (SAM) instrument suite aboard NASA's Curiosity rover, adding to the growing speculation that life could have once flourished on ancient Mars.

The team saw the oxygen atoms flow out of the cerium oxide clusters and slowly spread farther and farther away by combining high - resolution scanning tunneling microscopy with a conventional surface - sensitive technique, called Auger spectroscopy.

They space themselves within the layers and alter the structure by causing the layers of uranium atoms above and below to draw closer to the oxygen.

A molecule containing three oxygen atoms, computer models suggest that ozone on Venus is formed when sunlight breaks up carbon dioxide molecules and releases oxygen atoms, which are swept around to the planet's nightside by winds where they can then combine to form unstable, three - atom ozone molecules, as well as much more stable, two - atom molecules essential for animals.

As a result, once water molecules are dissociated into ionized hydrogen and oxygen atoms by the Sun's ultraviolet light in Venus» upper atomsphere, they are more easily blown into space by the Solar wind (S.I. Rasool, 1968).

The method is based on low - temperature atomic force microscopy (AFM) and uses a copper - based probe tip, which is terminated by a single oxygen atom.

Highly energetic gamma - and X-rays, with wavelengths as small as or smaller than atoms, are absorbed by oxygen and nitrogen in the upper atmosphere.

«We saw number of spectral features emitted by ionized atoms in the galaxies such as hydrogen, oxygen, and neon, which allowed us to determine the metal content of the galaxies.»

It is the addition of the third oxygen atom that gives ozone its remarkable medical properties by making it a «supercharged» oxygen atom.

Photons of sufficient energy are absorbed by oxygen molecules and as a result the atoms of the oxygen are «blown» apart.