Sentences with phrase «nitrogen atom»

Since neither compound contains a nitrogen atom, however, that is chemically impossible.

The good Lord has inserted a thermometer in every oxygen & nitrogen atom — so they expand / shrink» precisely» as necessary.

However, after Anthony insisted that it could happen, I looked into the matter more deeply, and that was when I realized that the coding amino acid proline also has a carbon substitution for the hydrogen atom normally attached to the nitrogen atom, but has no trouble linking up with the other amino acids.

Jansone - Popova created the saturated form of the preorganized ligand — a cyclic amide containing a nitrogen atom and a carbon double - bonded to oxygen.

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.

Taken together, these results suggest that there is a considerable structural nitrogen atom redundancy in plerixafor, not all amino groups are necessary for activity, and the consistence of the overall charge at physiological pH does not directly affect potency.

Scientists at Pacific Northwest National Laboratory and Heriot - Watt University in Scotland put the tetrahedral ammonium radical, made from a nitrogen atom and four hydrogen atoms, on the electronegativity scale.

Similarly, in the oxazole series, compound 153 was only moderately active (IC50 = 2.83 μM), whereas substitution at carbon adjacent to the nitrogen atom resulted in a potent compound 154 (IC50 = 7.2 nM).

The ensuing ability to achieve a controlled trade - off between emissive and photocatalytic behavior of CDs depending on nitrogen atom positioning inside the aromatic domain is expected to bring substantial improvements on their efficiency for on - demand light emission or energy conversion applications.

In addition, they are examining cyanide, a carbon and nitrogen atom combination that could provide new insights into that pseudo-atom's behavior.

In most zeolite catalysts, nitric oxide is essentially a barbell combining a nitrogen atom and an oxygen atom.

When a nitrogen atom replaces a carbon in the crystal structure of diamond, it creates a nitrogen - vacancy center, which can store information that is written and read out using light.

The impurities typically comprise one nitrogen atom that has replaced one of the carbon atoms and a single - atom gap, or vacancy, next to the nitrogen.

A nitric oxide molecule consists of one nitrogen atom and one oxygen atom.

The key to the whole design is the added nitrogen atom together with a neighboring vacancy in the crystal structure.

Here there are two options: either you insert a single nitrogen atom into the extremely fine tip, or you add nitrogen at the final phase of the diamond production process.

The sensor itself is just slightly larger than a nitrogen atom, with a synthetic diamond to act as a substrate.

Two molecules of ALA are joined together to give a pyrrole — a five - membered ring consisting of four carbon atoms and one nitrogen atom — called porphobilinogen or PBG.

Many members of the team had previously reported uranium nitride and oxo complexes where the molecules are essentially the same except for swapping a single nitrogen atom for an oxygen.

The zinc atom is missing and a nitrogen atom (attached to a hydrogen atom) substitutes for the oxygen atom.

This is how the identification of smallest magnetic fields with diamond sensors works: in the tiny diamond tip, two adjacent carbon atoms are being removed and one of the resulting vacancies is replaced by a nitrogen atom.

A nitrogen - vacancy center is an atomic - scale defect formed in the diamond lattice by substituting a nitrogen atom for a carbon atom and creating a neighboring void in the crystal lattice.

The nitrogen - vacancy (NV) center is a defect in the atomic structure of a diamond where one carbon atom in the diamond lattice is replaced by a nitrogen atom, and an adjacent site in the lattice is vacant.

According to Bocquet: «If you examine the quasi-free-standing graphene, you will find a nitrogen atom underneath the graphene coat in some places.

Approximately 75 percent of compounds with medicinal uses have a nitrogen atom.

On the central tree, the ants were fed with an amino acid — glycine — where the nitrogen atom consisted of the heavier nitrogen 15 (15N).

An «NV -» center can be created within a diamond's scaffold - like structure by replacing a missing carbon atom with a nitrogen atom (N) that has trapped an electron making the center negatively charged.

As no direct coordination via the nitrogen atom took place, the researchers assume a reaction from the gas phase with a potential activation on the ammonia molecule.

Amines are molecules that contain a basic nitrogen atom.

Atomic - resolution scanning tunneling microscope (STM) images: (a) STM image without structurally superimposed image; (b) STM image with structurally superimposed image (gray: carbon atom, cyan: nitrogen atom).

Nitrates consist of three oxygen atoms and one nitrogen atom.

Scientists can determine where an individual piece of meat comes from using a technique called isotope analysis, looking at the specific fingerprints of carbon, hydrogen, and nitrogen atoms to see where a cow lived.

What if we build cells with nitrogen atoms rather than carbon atoms?

You said, «What if we build cells with nitrogen atoms rather than carbon atoms?

For example, a few nitrogen atoms among a diamond's millions of carbon atoms can make the rock appear yellow or brown, while blue diamonds have been besmirched with a few boron atoms.

They always hook up with other atoms, and the covalent bond between two nitrogen atoms is among the strongest of its kind.

The distribution of nitrogen atoms after the dissociation allowed the identification of the «active sites» for this reaction, which are formed by the low - coordinated, top metal atoms of atomic steps.

«You've got to have that nucleophile (the sulfur or nitrogen atoms) to start the polymerization reaction.

The study showed that seven - nanometer copper particles deposited on graphene doped with pyridinic nitrogen (an arrangement that causes nitrogen atoms to be bonded to two carbon atoms) had the best performance.

But at high pressures and temperatures above 3,140 degrees Fahrenheit, nitrogen atoms transform into a polymer, a chain of single - bonded atoms.

Two nitrogen atoms combine to form N2 molecules that stay in the atmosphere for millions of years.

To manufacture it, tightly bound pairs of nitrogen atoms must be split and then recombined with hydrogen.

By raising the temperature to 85 °C and adding more hydrogen, the researchers got some of the paired nitrogen atoms to add two more hydrogens; then, each nitrogen atom left its partner completely to form ammonia (NH3).

Carbon atoms are colored green, oxygen atoms are red, and nitrogen atoms are blue.

Fixation processes free up nitrogen atoms from their diatomic form to be used in other ways, but nitrogen does not easily react with other chemicals to form new compounds.

Baking that at 750 degrees Celsius (1,382 degrees Fahrenheit) in the presence of nitrogen and hydrogen gas reduced the graphene and locked nitrogen atoms to the surface, providing sites where ruthenium atoms could bind.

Shortly after their birth, they exploded as supernovas, ejecting newly formed carbon, oxygen, and nitrogen atoms into space.

«Ruthenium is often a highly active catalyst when fixed between arrays of four nitrogen atoms, yet it is one - tenth the cost of traditional platinum,» Tour said.

By focusing on nitrogen atoms, Timothy A. Cross of Florida State University and his co-workers were able to determine exactly how M2 functions.

In this case, doping refers to introducing nitrogen atoms into the carbon structure of graphene.