Sentences with phrase «bond formation»

By understanding the details of bond formation, scientists can reduce the strength of the bonds and ease the structural changes when electrons come in.

Using it, scientists can study bond formation and the impact of the surface on the secondary structure and orientation of large molecules that land on it.

The results could help to optimize synthetic protocols for C - N bond formation.

However, initial bond formation just one part of a bigger picture.

It also affects the rate of peptide bond formation between proline and other amino acids.

Proteins are abundant everywhere on its surface except in the active site where peptide bond formation occurs and where it contacts the small subunit.

Pair bond formation leads to a sustained increase in global cerebral glucose metabolism in monogamous male titi monkeys (Callicebus cupreus).

When making new C - C bonds, palladium gives you a mixture, so I'm hoping to find new catalysts for C - C bond formation that give you only one or the other.

And it shows that simple oxide materials like alumina can trigger carbon - carbon bond formation from methanol derivatives, thus opening new avenues for the upgrading of methanol into long chain hydrocarbons.»

Yachandra and Yano believe that the detection of an anomalous Mn scattering signal opens up the possibility for detecting changes pertaining only to the Mn cluster as it advances through the S - state cycles and the oxygen - oxygen bond formation, which is where the catalytic action is taking place.

«Blue holes bring forgotten chemical element back on stage: UNIGE chemists have uncovered a new bond formation for chemical catalysis that is based on antimony.

Elongation factor P binds to the ribosome so as to position the initiator transfer RNA for the first bond formation.

In this study, the research group focused on the process of photoinduced bond formation between gold (Au) ions dissolved in water.

«It is an extreme challenge for the C - N bond formation directly from graphite and nitrogen.»

They focus on modifications with nitrogen, developing a technique with direct nitrogen fixation, carbon - nitrogen bond formation, at the broken edges of graphite frameworks using ball - milling graphite in the presence of nitrogen gas.

The same neurochemicals — oxytocin, vasopressin and dopamine — have been implicated in both relationships, and the behavioral patterns associated with parental and romantic bond formation and separation are also similar.

Femtochemistry is concerned with the very act of the molecular motion that brings about chemistry, chemical bond breaking, or bond formation on the femtosecond (10 - 15 second) time scale.

The resulting proton chains serve as a «road» in the hydrogen bridge network that make possible long proton jumps across multiple hydrogen bridge bond formations.

The key step in both of these processes is proposed to involve the NHC's ability to induce metal — metal bond formation.

This approach might then be coupled to traditional strategies for covalent bond formation.»

Many of the resident proteins within these compartments undergo significant post-translational modifications including glycosylation, disulfide bond formation, and proteolytic cleavage.

They were also able to add carbon - heteroatom bond formation to the same synthetic platform.

The new approach allows researchers to unambiguously prove that bond formation indeed takes place and quantify the amount of amide bonds formed.

It should be mentioned that traditional laboratory rodents usually do not display pair bond formation, a behavioral characteristic that is displayed by less than 5 % of mammalian species (Kleiman, 1977; Dewsbury, 1988).

In the past, studying bond formation between small proteins or peptides and surfaces using infrared spectrometry was difficult because the signals indicating the formation of a new amide bond between the surface and the protein were buried under strong infrared bands of the protein itself.

Biochemical and crystallographic evidence suggests that 23S ribosomal RNA (rRNA) is the catalyst of peptide bond formation.

Methods: To study bond formation between ions and reactive surfaces, researchers previously had to expose surfaces to a beam of mass selected ions, then take the substrate outside the vacuum system and perform the analysis.

Chemists have already solved how to make asymmetric C - H and C - O bonds, but the most critical — asymmetric C - C bond formation — is still lagging behind.

They modified a high - performance liquid chromatography system to screen a wide variety of solvent, ligand, and base combinations to optimize carbon - carbon bond formation.

In addition, we report data for the first time from a light - induced transient state between the S3 and S0 states, which opens the window for elucidating the mechanism of oxygen - oxygen bond formation that occurs between these two states.»

Using a high - throughput data set, they trained a random forest algorithm to predict which specific palladium catalysts would best tolerate isoxazoles (cyclic structures with an N — O bond) during C — N bond formation.

Using this new approach, Dr. Julia Laskin and her colleagues made a startling discovery about the efficiency of bond formation between the ion and the surface.

«Direct observation of bond formations.»

Hence, previously, one could only imagine the bond formation between atoms while looking at the chemical reaction progressing in the test - tube.

The large ribosomal subunit catalyzes peptide bond formation and binds initiation, termination, and elongation factors.

These results are consistent with a mechanism wherein the nucleotide base of A2451 serves as a general acid base during peptide bond formation.

To that end, Feldman and her team are studying how maternal depression and mother - child interactions are associated with children's stress hormones, behavioral empathy, hormones related to bond formation, and their neural reaction to affiliative cues.

Further, with this new method available at EMSL, scientists from around the world have another tool in their arsenal to study bond formation.

In fact relativity makes the latter statement an approximation (for most purposes more than adequate) that ignores (very small) mass / energy effects of bond formation.

As enduring social bonds between partners are important to the psychological, physiological, and behavioral well - being (for review see Baumeister and Leary, 1995), considerable efforts have been made to identify the neurobiological mechanisms underlying pair bond formation.

Therefore, various nontraditional animal models, which display pair bond formation — including marmosets (Callithrix penicillata), titi monkeys (Callicebus cupreus), California mice (Peromyscus californicus), and prairie voles (Microtus ochrogaster)-- have emerged as better alternative animal models to study the neural correlates of pair bond formation (Carter et al., 1995; Bester - Meredith et al., 1999; Bales et al., 2007; de Jong et al., 2009; Smith et al., 2010).