Sentences with phrase «on nitrogen atom»

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.

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

Not exact matches

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.

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.

The scientists found that the reaction on Fe - ZSM - 5 is based on adsorption of nitrogen monoxide via a positively charged oxygen 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).

They investigated samples of the carbon compound enriched with the foreign atom nitrogen on various substrate materials.

On a yellow pad, Blackwell draws a portrait for me of a prototypical quorum - sensing signal molecule: a ring of carbon atoms attached to some hydrogen, nitrogen, and oxygen atoms, trailing off in a long tail composed of more carbon atoms.

After breaking away from the molecule in the strong laser field, the electron returned and was scattered on a molecular ion, which resulted in the molecule dissociation into a positive nitrogen ion and an oxygen atom.

The rise of multicellular structures in animals may have hinged on a chemical link between sulfur and nitrogen atoms.

Disrupted oscillations The researchers focused on nitrogen — vacancy (NV) centers, imperfections in diamond that arise where an atom of nitrogen and an empty space replace carbon atoms at two neighboring spots in the crystal lattice.

By extending the coherence time of electron states to over half a second, a team of scientists from Berkeley Lab, UC Berkeley, and Harvard University has vastly improved the performance of one of the most potent possible sensors of magnetic fields on the nanoscale — a diamond defect no bigger than a pair of atoms, called a nitrogen vacancy (NV) center.

On the other hand, at high (and very low) BPEI content, the nitrogen atoms are located primarily at the edge sites of the aromatic domains.

The barbell is bound to the metal atom on its head, most often at the nitrogen end of the molecule.

Makemake is very much a Pluto analog — it has both methane and nitrogen detected on the surface, but unlike Pluto there is less nitrogen, so more methane atoms are in contact with each other.

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.

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.

Similar to previous work they had done on periodic boron - doping into GNRs, they used C4BN cyclic rings to provide the boron and nitrogen atoms.

«Water can interact with cyanide's carbon or nitrogen and rock back and forth on one atom,» said Wang.

They replaced particular carbon atoms in the hexagonal lattice with boron and nitrogen atoms using surface chemistry, by placing suitable organic precursor compounds on a gold surface.

Also of note is this answer on the physics stack exchange which says that the blue color of air sparks comes from ionization of nitrogen atoms.