{k_{12}}{k_{13}}}=1.082\pm 0.008} In physical organic chemistry, a kinetic isotope effect (KIE) is the change in the reaction rate of a chemical reaction...

Kinetic isotope effect (KIE) is a measurement of the reaction rate of isotope-labeled reactants against the more common natural substrate. Kinetic isotope...

remains the same. Thus disproportionation is weakly affected by the kinetic isotope effect with kH/kD = 1.20 ± 0.15 for ethylene. Hydrogens and deuterons are...

the isotope is already removed in E1cBanion and leaving group departure is rate determining in E1cBrev. Another way that the kinetic isotope effect can...

the lighter and heavier isotopes and is generally modeled using transition state theory. However, in certain cases, large isotopic effects are observed that...

molecule have been replaced by its heavier stable isotope deuterium. Because of the kinetic isotope effect, deuterium-containing drugs may have significantly...

chemical reaction via the kinetic isotope effect. Another common application is isotopic labeling, the use of unusual isotopes as tracers or markers in...

constant#Effect of isotopic substitution Isotopic shift, effect of isotopic substitution on spectroscopy Kinetic isotope effect, effect of isotopic substitution...

The kinetic isotope effect (KIE) of ribulose-1,5-bisphosphate carboxylase oxygenase (RuBisCO) is the isotopic fractionation associated solely with the...

interfering effects with the typical kinetic isotope effect, allowing atypical reactions to occur with isotope-labeled molecules and demonstrating that...

known as a kinetic isotope effect, gives rise to isotopic differences between reactants and products that can be detected using isotope ratio mass spectrometry...

several fractionating reactions with kinetic isotope effects. These reactions undergo a kinetic isotope effect because they are limited by overcoming...

Kinetic isotope effect is observed when molecules containing heavier isotopes of the same elements (for example, deuterium for hydrogen) engage in a chemical...

water production plant at Rjukan. One candidate for the largest kinetic isotopic effect ever measured at room temperature, 305, may eventually be used...

Kinetic fractionation is an isotopic fractionation process that separates stable isotopes from each other by their mass during unidirectional processes...

physical state. Isotope effects are divided into two main groups: kinetic isotope effects and equilibrium isotope effects. A kinetic isotope effect occurs when...

of this energy distribution manifest in the kinetic isotope effect (KIE) and the equilibrium isotope effect. In a reversible reaction, under equilibrium...

in the DABCO catalyst. α-Deuterated acrylonitrile exhibited no kinetic isotope effect, but the product appeared to catalyze its own generation. In a model...

kinetic isotope effect is the difference in the rate of a chemical reaction when an atom in one of the reactants is replaced by one of its isotopes....

electrochemical estimation of isotopic exchange equilibrium constants, electrochemical kinetic isotope effect, electrochemical isotope sensors, etc. It is an...

of the kinetic isotope effect. In the field of stable isotope geochemistry, isotopologues of simple molecules containing rare heavy isotopes of carbon...

appendices that provide technical details on molecular orbital theory, kinetic isotope effects, transition state theory, and radical chemistry.] Eric V. Anslyn...

reduces and the molecule develops a lower zero point energy (see Kinetic isotope effect). The abundances of certain bonds in certain molecules are sensitive...

critical for inducing this large kinetic isotope effect. The table below summarizes the reported fractionations of sulfur isotopes from MSO in different organisms...

Keynes effect (economics and finance) (Keynesian economics) Keystone effect (technology) Kinetic depth effect (perception) Kinetic isotope effect (chemical...

replacing hydrogen with deuterium "reinforces" the bond due to the kinetic isotope effect, and such reinforced biomolecules taken up by the body will be more...

change when the critical hydrogen is replaced, due to a primary kinetic isotope effect, which occurs because bonds to deuterium are harder to break than...

Siegbahn, Per E. M.; Warshel, Arieh (2004). "Simulations of the Large Kinetic Isotope Effect and the Temperature Dependence of the Hydrogen Atom Transfer in...

reaction. If the isotope is placed in the molecule at a position directly involved in the mechanism of the reaction, a kinetic isotope effect is expected....

Vennesland and determined the mechanisms of chromic acid oxidations and kinetic isotope effects. He received the National Medal of Science in 1986 "For his...