Sentences with phrase «heterolytic reaction pathways»

The presence of this laser - induced reaction pathway allows elucidation of the microscopic mechanism and the dynamics of the carbon monoxide oxidation reaction.

«The pyridinic nitrogen helps to anchor the copper nanoparticles and change the electronic environment around them, which changes the reaction pathway to selectively produce ethylene.»

The setup for the reaction is sufficiently similar to nature that the research team was able to construct an «artificial leaf» that could complete the entire three - step reaction pathway.

In this potential - surface picture, the red curve is a reaction pathway.

We still don't know enough about how these molecules influence specific genes, entire gene families, or biochemical reaction pathways.

Using the liquid SIMS technique and the newly patented electrochemical System for Analysis at the Liquid Vacuum Interface (SALVI), the researchers discovered transient species and reaction pathways in the solid - liquid interface.

A reaction pathway that can form a hydrocarbon called pyrene through a chemical method known as hydrogen - abstraction / acetylene - addition, or HACA, is shown at the top.

In one sentence: Scientists at Pacific Northwest National Laboratory discovered transient species and reaction pathways in a common electrochemical system interface using liquid secondary ion mass spectrometry and a vacuum - compatible electrochemical microfluidic reactor.

A combination of extensive state - of - the - art numerical calculations with classic analytical models describing the kinetics of sequential chemical reactions has shown that it is not enough to consider the energy potential landscape (i.e. the energies of the species along the reaction pathway and the associated transformation barriers), but that energy dissipation to the substrate and changes in molecular entropy play a critical role for the stabilization of the intermediates.

April 5, 2018 - The new materials, known as high - entropy - alloy nanoparticles, have created unprecedented catalytic mechanisms and reaction pathways and are expected to improve energy efficiency in the manufacturing process and lower production costs.

The goal of their work is to explain how this unexpected reaction works to develop rational approaches to optimize catalytic reaction pathways.

In addition, the high activity of Fe - N - C catalysts and the FeN4 active - site structure was predicted by computer modeling conducted at Los Alamos, as was the possible reaction pathway.

«Defining the Active Catalyst Structure and Reaction Pathways from Ab initio Molecular Dynamics and Operando XAFS: Dehydrogenation of Dimethylaminoborane by Rhodium Clusters.»

Quantum chemical simulations have suggested a unique reaction pathway for the palladium catalyst with a lower energy barrier,» Xin said.

Using theory, modern surface - science methods, and synchrotron - based techniques, JCAP researchers seek to understand the reaction pathways and the elementary steps of the hydrogen and oxygen evolutions reactions to facilitate the design of new, Earth - abundant catalysts for solar - fuels production.

Not exact matches

These reactions that takes place through the series of pathway called as Metabolic Ppathway called as Metabolic PathwayPathway.

Mindfulness does take practice, but each time you practice it, it actively changes the neural pathways in the brain so that it's easier to respond mindfully in stressful moments rather than continue to struggle with the primitive «fight or flight» reactions.

In essence, the first pulse excites the chemical system from its original potential energy surface onto another surface, thus bypassing a bottleneck in the original pathway because the reaction leaps onto another pathway at just the right time.

It basically works this way: By providing a chemical reaction with two coherent pathways leading to the same possible final products, quantum - mechanical - interference effects can be produced.

The product of the reaction, hydroxymethyluracil, was previously — and as it now turns out, erroneously — thought to be synthesized by a different pathway,» Carell explains.

«Asthma patients are constantly firing through this pathway because those proteins are stuck in the «on» position, without proper control by other proteins that shut down this reaction,» says Nicola Heller, Ph.D., assistant professor of anesthesiology and critical care medicine at the Johns Hopkins University School of Medicine.

The chemical pathways by which these reactions take place help determine how quickly a battery becomes depleted.

While male and female participants performed about the same in terms of accuracy and reaction time, the neural pathways that were activated were different: Women showed greater activity in both hemispheres in the prefrontal cortex — in regions implicated in language functions and higher - level cognitive functions — than men.

«This latest finding provides a concise and direct synthesis pathway that, due to the structure of the products delivered, will likely be quite valuable for the discovery and development of therapeutic agents,» says Micalizio, whose work focuses on the design of organic chemical reaction methods and strategies to improve medicine and human health.

They also found that distant metastases and their precursors processed glucose through a growth - promoting series of metabolic reactions called the pentose phosphate pathway, which burns (or oxidizes) glucose - derived molecules into building blocks for tumors.

This leads to an immune reaction, which attacks both the mycoplasma and the surrounding myelin sheath of nerve pathways.

Cells use biological pathways to send and receive chemical cues in reaction to injury, infection or stress.

In their report that has received advance online publication in Nature Nanotechnology, a research team based at the Wellman Center for Photomedicine at Massachusetts General Hospital (MGH) describes how a nanomedicine that combines photodynamic therapy — the use of light to trigger a chemical reaction — with a molecular therapy drug targeted against common treatment resistance pathways reduced a thousand-fold the dosage of the molecular therapy drug required to suppress tumor progression and metastatic outgrowth in an animal model.

Many metabolic pathways depend on reduction and oxidation (redox) reactions.

«The challenge for the future will be to fabricate metal catalysts embodying atomic patterns that speed chemical reactions along pathways that lead to desired products,» said Polanyi.

But researchers have good evidence that a series of biochemical reactions known as the mTOR pathway is involved.

Metabolic pathways are a linked series of chemical reactions occurring within a cell.

By adding an (NHTs) − salt to the reaction mixture, the authors could shift the ratio almost completely in favor of the C - N elimination pathway.

«The direct growth of anchored MoSoy nanocrystals on graphene sheets may enhance the formation of strongly coupled hybrid materials with intimate, seamless electron transfer pathways, thus accelerating the electron transfer rate for the chemical desorption of hydrogen from the catalyst, further reducing the energy required for the reaction to take place,» Sasaki said.

«You usually find dozens or hundreds of metabolites associated with SNPs, and if you correlate a SNP with the ratio of two metabolites — those next to each other in a biochemical pathway, or reaction — you can see a SNP's effect on this reaction,» Theis explains.

Many of the associations come from indirect effects, because one reaction in a pathway can drive long - reaching impacts on other reactions.

By representing data in BioPAX, Pathway Commons is able to provide a detailed representation of a variety of biological concepts including: Biochemical reactions; gene regulatory networks; and genetic interactions; transport and catalysis events; and physical interactions involving proteins, DNA, RNA and small molecules and complexes.

The IFNγ - PKR Pathway in the Prefrontal Cortex Reactions to Chronic Excessive Alcohol Use.

Neuroprotective effects of fecal microbiota transplantation on MPTP - induced Parkinson's disease mice: gut microbiota, glial reaction and TLR4 / TNF - α signaling pathway.

All research projects rely heavily on chemical and analytical methods to identify specific reactions / products, their mechanisms of formation, and their use as probes to elaborate pathways responsible for disease.

In the NIH - funded Impact of Personal Genomics (PGen) Study, we surveyed consumers of two U.S. companies that provide personal genetic testing — 23andMe and Pathway Genomics — to determine consumers» reactions to genetic risk information for common diseases of interest, including heart disease, diabetes, Alzheimer's disease, arthritis, and breast, colon, lung, and prostate cancers.

To help things along, the team initiated a chemical reaction known as the TGF - ß signaling pathway during the early stages of reprogramming, which further improved reprogramming success rates.

By comparing key biochemical reactions in the cells of fasted and fed scid and B6 mice, the research team was able to identify and describe the highlighted steps (formerly missing links) in the following feeding - induced insulin signaling pathway.

Because the Herxheimer reaction is the body's evacuation pathways becoming blocked or overwhelmed by die - off of yeasts, tumors, and other pathogenic growths, having a powerful tool to release these die - offs, and open the pathways, will be very helpful to you, as you detoxify.

A strong reaction tells you you're overdriving your detox pathways.

Aging - associated increases in oxidative damage to key enzymes results in their structural deformation and decreased binding affinity for the co-enzyme, causing a decrease in enzyme funtion.8 Ames» research has demonstrated that increasing the availability of acetyl L - carnitine and α - lipoic acid, two nutrients that serve as mitochondrial enzyme co-factors, restores the velocity of the reactions (KM) in the related enzymes, and thus restores aging mitochondria's ability to produce youthful levels of ATP.9 10 11 12 13 Part II focused on the inter-relationships among the folate, methylation and transsulfuration pathways, whose dysfunction results in increased free radical production coupled with disruption of glutathione (GSH) synthesis, thus accelerating mitochondrial decay and aging.

It's involved in 456 enzyme reactions, 19 metabolic pathways, and 499 chemical reactions.

The Alcat only measures adverse white blood cell reactions, it does not look at antibody reactions or sensitivities caused by IgM pathways.

Magnesium is an important mineral that helps with the most basic pathways and reactions in the body.

They can be made to promote certain pathways, encourage specific behaviors, even elicit emotional reactions.