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.»
Not exact matches
This week the State legislature passed and the governor signed into law a far - reaching set of prohibitions, restrictions, and tracking
mechanisms regarding guns, making
New York the first state to change its policies in
reaction to the Sandy Hook school shootings.
The special thing about the
new feedback
mechanism, however, is that the body itself produces the signal, which is then detected by a sensor that triggers a fine - tuned therapeutic
reaction.
«The question now is how can people in chemistry create
new reactions,
new mechanisms to use carbon dioxide as a feedstock?»
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., 1995).
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.
«Also, the
new mechanism may shed light on broader problems» in chemistry, he said, by providing a deeper understanding fundamental
reaction processes for gold and other catalysts.
The research team found a
new mechanism explaining how this
reaction can occur in just tens of femtoseconds (quadrillionths of a second), before other competing effects can steal away their energy.
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.
Dayne F. Swearer, at Rice University, combines two reactive functions in one aluminum nanoparticle to unlock
new catalytic
mechanisms for known
reactions.
As a result, this
new combustion strategy requires detailed knowledge of fundamental
mechanisms, including fuel spray and mixture preparation, detailed ignition chemistry
mechanisms and concurrent numerical approaches to turbulence modeling and simultaneous
reaction chemistry modeling.
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.
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.
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.