Sentences with phrase «chemical reaction mechanisms»

Not exact matches

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.

The chemical mechanisms of RNA - catalyzed reactions are discussed with emphasis on the self - splicing ribosomal RNA precursor of Tetrahymena and the enzymatic activities of its intervening sequence RNA.

«The radical - pair mechanism of magnetoreception is still just a hypothesis, and arguably the best evidence we have for it so far is the effect of time - dependent radiofrequency magnetic fields on the ability of migratory birds to detect the direction of the Earth's magnetic field,» says senior author Peter Hore, an Oxford biophysical chemist specializing in magnetic influences on chemical reactions.

In the remaining years of the 20th century, there is no doubt that the experimental investigation of the dynamics and mechanisms of elementary chemical reactions will play a very important role in bridging the gap between the basic laws of mechanics and the real world of chemistry.

The advance in modern microscopic experimental methods, especially crossed molecular beams and laser technology, has made it possible to explore the dynamics and mechanisms of important elementary chemical reactions in great detail.

Metabolism is the inner workings of cells, and the many mechanisms and chemical reactions that maintain the cell and allow it to survive and reproduce by division.

The fact that a rather benign mechanical mechanism such as a propagating sound field can produce atomic reactions is a quite remarkable and has attracted considerable scientific attention (see «The Chemical Effects of Ultrasound,» by Kenneth S. Suslick in Scientific American, Vol.

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.

If a chemical biologist wants to design drugs that affect this process, he or she would need to know the mechanism of the complex enzyme reactions,» said Li.

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.»

Now, using several complementary research tools, Goodell and colleagues report new details of this unexpected mechanism at work, one that surprisingly does not involve enzymes, the usual accelerators of chemical reactions.

For example, one of the most authoritative textbooks on chemical kinetics is Chemical Kinetics and Reaction Mechanisms by J. H. Espenson (McGraw - Hill, New York, 2nd ed.chemical kinetics is Chemical Kinetics and Reaction Mechanisms by J. H. Espenson (McGraw - Hill, New York, 2nd ed.Chemical Kinetics and Reaction Mechanisms by J. H. Espenson (McGraw - Hill, New York, 2nd ed., 1995).

During his years as an assistant professor of chemistry at University of Maryland, Baltimore County, Dietze asked fundamental questions about mechanisms of basic organic chemical reactions, questions he recounted in a recent telephone interview: «How does A go to B?

The nc - AFM microscopy provided striking visual confirmation of the mechanisms that underlie these synthetic organic chemical reactions, and the unexpected results reinforced the promise of this powerful new method for building advanced nanoscale electronic devices from the bottom up.

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 chemical mechanism, discovered by scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley, could also broaden our understanding of basic chemical reaction processes involving common helpers, called catalysts, like copper and gold.

While studying chemical reactions of a gold - containing molecule, the research team happened upon a chemical mechanism that can be used to form trifluoromethyl (CF3) compounds and attach them to other chemical compounds.

«We're interested in the mechanism of the chemical reaction, with the goal of controlling and steering it in a certain direction with light,» Schmidt said.

Though this program was very accurate in describing the shape of large molecules, it was blind to the quantum mechanisms that drive chemical reactions.

Kinetics and mechanisms of surface chemical reactions important in heterogeneous catalysis

The main objective of the Institute conducted fundamental research - to obtain new data on the structure and transformations of organic compounds, their mechanism of chemical reactions, the synthesis of organic compounds, new classes, new opening reactions, the development of new catalysts and to investigate the relationship of their structure to the catalytic activity.

Jerrold Meinwald's research at Cornell University, where he is the Goldwin Smith Professor of Chemistry Emeritus, has concerned molecular rearrangement mechanisms, the synthesis and reactions of highly strained ring systems, natural product structure and synthesis, anesthetic stereochemistry, and insect chemical ecology.

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.

He received CSJ Awards 2017 for his achievements on «Development of New Metal - catalyzed Organic Transformations Based on Detailed Studies of the Reaction Mechanism «from The Chemical Society of Japan.

Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid - state phenomena, and chemical bonding theory.

Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid - state phenomena, and chemical bonding theory.