Sentences with phrase «reaction mechanisms»
"Reaction mechanisms" refers to the step-by-step process or sequence of events that take place during a chemical reaction. It helps us understand how the reactants transform into products by showing the individual steps involved and the intermediate species formed. Full definition
«Clairol — when I was looking for a job, which was in the early 1970s — were starting to do some work in reaction mechanisms in permanent hair dyes.»
sciencemag.org
Researchers from the University of Houston and Trinity University have for the first time provided direct evidence of a water - mediated reaction mechanism for the catalytic oxidation of carbon monoxide.
Kaiser noted that physical chemists, on the other hand, can help shine a light on reaction mechanisms that can lead to the synthesis of specific molecules in space.
Our study may lead to the discovery of novel reaction mechanisms.»
In the course of examining Bartlett's papers in the Harvard University Archives, Weininger came across a file for Lawrence Knox, a name familiar to decades of students studying organic reaction mechanisms.
And their detailed understanding of the underlying reaction mechanism should enable the LMU researchers to apply this relatively simple way of controlling molecular motions to other types of chemical switches.
We demonstrate that the electron beam, simultaneously acting as an imaging probe and a source of energy to drive chemical transformations, offers a new tool for studying the chemical reactions of individual molecules with atomic resolution, which is vital for the discovery of new reaction mechanisms and more efficient future synthesis.»
A major research emphasis is on understanding reaction mechanisms and the key factors that govern catalyst activity, selectivity, and stability.
The important reaction mechanism, which I claim to understand is that to avoid the «collision product» nearly spontaneous decomposition, needs to be a very improbable three body collision where the third body is to «carry» away the excess energy as its increased kinetic energy.
«There is now what I would call a nano - second reaction mechanism that has been built into the Obama campaign.
Experiments like these teach kids important chemical reaction mechanisms, such as A + B → Explosion!
We're absolutely not there yet, but understanding the early stages of synthetic fuel production forms an essential component of unraveling the entire, complex reaction mechanism.
«Through an intensive cooperation between theory and experiment, we have been able to qualitatively and quantitatively explore the active site and the entire reaction mechanism of this complex catalyst,» stresses Prof. Marx.
It was in fact believed that ribozymes resembled the functioning of protein enzymes, but that is not case: the latter in fact use far more specific methods due to the chemical richness of amino acids, whereas the process in ribozymes adapts to the skeleton of the RNA that forms them, resulting in a slightly slower but equally precise reaction mechanism.»
The structural information on PHA synthase together with the recently deciphered reaction mechanisms will be valuable for understanding the detailed mechanisms of biosynthesizing this important energy / redox storage material, and also for the rational engineering of PHA synthases to produce designer bioplastics from various monomers more efficiently.»
The research focused on identifying the silver - contact reaction mechanism that occurs during the manufacturing of silicon - based photovoltaic cells.
Elucidation of these processes will further our understanding of solvation and reactions in multi-phase, multi-component solutions and in determining reaction mechanisms in heterogeneous systems.
Walsh, C. (1979) Enzymatic Reaction Mechanisms (Freeman, San Francisco), pp. 33, 38.
The Alcat Test allows examination of reaction mechanisms related to foods in an in vitro system.
The EU - funded project known as DISCO (Discovery of Novel Enzymes & Reaction Mechanisms for Lignocellulose Hydrolysis), is halfway through its four - year quest to develop more efficient and cost - effective enzyme tools from microorganisms to produce bioethanol from lignocellulosic biomass waste — such as spruce chips... Read more →
About 10 years ago, chemists discovered a novel reaction mechanism in dissociation reactions of gas - phase molecules, called roaming.
Researchers have discovered a new reaction mechanism that could be used to improve catalyst designs for pollution - control systems to further reduce em...
«Identifying the n = 2 reaction mechanism of FAD through voltammetric simulations.»
However, while it is useful as a heuristic in developing models of reaction mechanisms, it has been shown to fail as a criterion for selecting among some selected published models.
Occam's Razor is often an important heuristic when developing a model of a reaction mechanism.
However, memorizing chemical equations and reaction mechanisms for my midterm took much more time than I anticipated, so my pumpkin sat plain and faceless in the entryway.
«My training is in reaction mechanisms,» explains Keith Brown, who earned a Ph.D. in organic chemistry from the University of Liverpool and has been working at Clairol for 28 years.
When he saw their ad for a mechanistic chemist to help them with elucidating what the reaction mechanisms were, he thought it sounded very interesting.
Some of the theoretical chemists and material scientists in attendance even suggested a new and different way of thinking about the reaction mechanism she was studying; today she is examining the new concepts in her laboratory.
Intrigued by the molecular details of how enzymes worked, he next joined the lab of Michael Toney, where he set out to understand how electrons and protons move during catalysis by analyzing how mutations in the enzyme's functional site affected the reaction mechanism.
The group's research focused on primary, secondary and tertiary alcohols, and revealed the slope of linear relationships depending on the reaction mechanism.
Hydrogen migration between adjacent carbons is widespread in the reaction mechanisms of organic chemistry.
«You don't want to develop a drug based on a reaction mechanism that is totally wrong and find out later that the biosynthetic strategy doesn't work.»
Thanks to this, it's possible to detect intermediates and even transition states of reactions, making the stipulation of a reaction mechanism possible, which is what my research is focused on,» says Nilsson.
This shows the reaction mechanism for converting hydrogen fluoride (HF) impurity from the electrolyte into lithium fluoride (LiF) in the solid - electrolyte interphase (SEI) with release of hydrogen gas (H2).
The reaction mechanism is described by the team around Timo Wendling and Prof Dr Lukas Goossen together with a colleague of the Technical University of Kaiserslautern in the journal Chemistry — A European Journal.
«Our work reveals that the reaction mechanism by which splicing occurs is completely different from what had been thought for decades.
One of the researchers got to take advantage of his Russian skill since some of the chemistry details necessary for understanding the reaction mechanism was only available in an old Russian PhD thesis.
Extensive investigations of the reaction mechanisms in collaboration with colleagues at the Institute of Biochemical Engineering showed that this is possible even on a large scale.
As described in the October 28, 2016, issue of Science, JILA's direct detection of the intermediate compound and measurements of its rise and fall under different pressures and different mixtures of atmospheric gases revealed the reaction mechanism, quantified product yields, and tested theoretical models that were incomplete despite rigorous efforts.
Research: reaction mechanisms and numerical simulation of atmospheric chemistry and transport; photochemistry of ozone and organic trace gases; polar stratospheric clouds and denitrification.
«This reaction mechanism explains the prior studies — things like why we don't get nitrous oxide.»
Reaction mechanisms in heterogeneous catalysis and electrocatalysis involving cooperation between different sites from quantum mechanics.
Being able to explain the reaction mechanism of the solid - liquid interface is critical to underpin its energetics, kinetics, and reactivity and contributes to a new understanding of mass and electron transfer at the interface.
The Reaction Mechanism with Free Energy Barriers at Constant Potentials for the Oxygen Evolution Reaction at the IrO2 (110) Surface.
Reaction mechanism of the selective reduction of CO2 to CO by a tetraaza [CoIIN4H (MeCN)-RSB- 2 + complex.