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Isotope kinetic

The elevated primary isotope kinetic isotope effect (KIE)... [Pg.34]

Transient Isotopic Kinetic Studies of Methanation. - The Fischer-Tropsch reaction results in the formation of a wide distribution of hydrocarbons containing different numbers of carbon atoms. In contrast, the related reaction of methanation of CO/H2 mixtures involves only one product and is easier to study using isotope transient kinetic techniques. The results of the methanation reaction have a direct relevance to the Fischer-Tropsch reaction and are reviewed below. [Pg.119]

Dehydrogenation of hydrocarbons is a most important industrial process. Rubber production from inorganic matter is one of the related examples to which the isotopic kinetic method has been applied . " C-labelled butane and butene used in this studyhave been obtained according to equation 155. Various labelled 1 1 mixtures of... [Pg.859]

In the GC-MS analysis of isotopic enrichment in leucine, the use of the TBDMS derivative gave [M — 57] ions of sufficient intensity for El to be employed for the measurements, which had previously required the more difficult and less readily available Cl method [74]. El with a modem bench-top system and autoinjector allowed complete stable isotope kinetic studies involving hundreds of samples to be reliably completed within days. [Pg.311]

Bal zhinimaev, B.S., Sadovskaya, E.M., Suknev, A.P. (2009) Transient isotopic kinetics study to investigate reaction mechanisms. Chem. Eng. 154,2-8. [Pg.1256]

In recent years the development of studies in this field has been substantially accelerated in connection with the use of new methods of investigation. For example, much new information has been successfully obtained using the method of labelled atoms, especially using the isotopic kinetic method [21]. [Pg.5]

The sequence of the formation of various intermediate products in the oxidation of cyclohexane and other hydrocarbons, as well as the rate of formation and dissociation of the intermediate products, can be determined by the isotopic kinetic method [22]. [Pg.5]

However, niacin does not inhibit the selective uptake of HDL cholesteryl esters into the cells (Kamanna and Kashyap 2008). This combination of elfects could raise HDL concentration, enhancing the ability of HDL to shuttle cholesterol from peripheral tissues to the liver. Apolipoprotein A-I (apoA-I) is the major protein associated with HDL. In HepG2 cells, niacin did not increase transcription or synthesis of apoA-I (Kamanna and Kashyap 2008). However, a stable isotope kinetic study in humans showed increased production of apoA-I following the administration of niacin (Lamon-Fava et al. 2008). [Pg.695]

The role of cholesterol absorption, synthesis and turnover in disease states and under therapeutic conditions has been given new stimulation by the publications of Grundy and Ahrens . These authors described their isotope kinetic and sterol balance technique which enables them to measure the... [Pg.182]

Mazda has developed and commercialized a catalyst with Pt supported on a mixed oxide of Ce02 with Zr or Pr for light-duty diesel engine cars. Isotopic kinetic experiments using 02 revealed that formation of the mixed oxide increases the mobility of lattice oxygen and thereby soot oxidation. [Pg.40]

Barzhinimaev, B., Sadovskaya, E. and Suknev, A. (2010). Transient Isotopic Kinetics Study to Investigate Reaction Mechanisms, Chem. Eng. J., 154, pp. 2-8. [Pg.543]

Of the total amount of cholesterol entering the digestive tract (1.0-1.5 g/day) approximately one-third is derived from the diet and two-thirds from bile. Plant sterols and stanols decrease serum cholesterol concentrations by interfering with cholesterol absorption (Figure 7). Dual-isotope studies have shown that, depending on the experimental set-up, the ingestion of plant stanols reduces cholesterol absorption efficiency by 50-80% (Heinemann etal, 1991 Miettinen and Vanhanen, 1994 Gylling and Miettinen, 1994 Jones et al, 2000). Plant sterols reduce cholesterol absorption by up to 50% when measured by the dualisotope method (Jones et al, 2000), isotope kinetic technique (Lees et al, 1977), or intestinal perfusion (Heinemann et al, 1991). [Pg.194]

Carotenoids circulate in plasma in association with low-density and high-density lipoproteins. The level of /3-carotene reflects its recent intake, but it also is higher when plasma lipoprotein levels are elevated. Beta-carotene is stored at relatively low concentrations in liver and fatty tissues. A prolonged slow rate of postabsorptive conversion to retinol has been observed in volunteers in isotope kinetic studies. [Pg.442]

Z. Naturforsch., 44a, 427 (1989). Semiclassical and Quantum Mechanical Calculations of Isotopic Kinetic Branching Ratios for the Reaction of 0( P) with HD. [Pg.228]

The system of isotope-kinetic equations (30)-(31) is not closed since, along with the variables describing the gas phase composition, they contain the 3 independent variable,, the fraction of in the oxide surface. [Pg.82]

The isotope-kinetic equations (30) - (31) allow the elucidation of the mechanism of surface reactions (adsorption-desorption and other processes) and the estimation of the bond strength of the smface oxygen [48-56] considered to be important parameters in analysis of porous MIEC cathodes performance [9]. [Pg.83]

Equation (30). This allows the estimation of the rate of heteroexchange R by using the integral form of isotope-kinetic equation (30)... [Pg.83]

To estimate the oxygen diffusion coefficient from the results of oxygen isotope exchange experiments for powders, the isothermal isotope exchange curves were fitted using a complete system of isotope-kinetic and diffusion equations (30-34). In modeling, the values of diffusion coefficients (coefficients of diffusion relaxation td = D/h ) and the share of the... [Pg.142]


See other pages where Isotope kinetic is mentioned: [Pg.134]    [Pg.415]    [Pg.1100]    [Pg.2131]    [Pg.139]    [Pg.404]    [Pg.158]    [Pg.438]    [Pg.379]    [Pg.349]    [Pg.58]    [Pg.131]    [Pg.307]    [Pg.87]    [Pg.35]    [Pg.16]    [Pg.305]    [Pg.189]    [Pg.1229]    [Pg.336]    [Pg.607]    [Pg.2031]   
See also in sourсe #XX -- [ Pg.193 ]

See also in sourсe #XX -- [ Pg.11 , Pg.11 , Pg.11 , Pg.931 , Pg.936 , Pg.951 ]




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1,4-addition kinetic isotope effects

12C/13C kinetic isotope effects

A-Deuterium kinetic isotope effects

Activation energy kinetic isotope effects

Adiabatic Proton Transfer Kinetic Isotope Effects

Alkyl chlorides kinetic isotope effects

Anomalous Kinetic Isotope Effects

Apparent activation energies and kinetic isotope effects using the reaction order approach

Aqueous Solvent Equilibrium and Kinetic Isotope Effects

Arene oxides kinetic deuterium isotope effect

Arylation kinetic isotope effects

Bond breaking kinetic isotope effect

Bond making kinetic isotope effect

Calculations of heavy atom kinetic isotope effect in phosphate monoester hydrolysis

Carbonyl carbon kinetic isotope effects

Claisen rearrangement kinetic isotope effect

Cope rearrangements kinetic isotope effects

Dehydration kinetic isotope effect

Deuterium in kinetic isotope effect

Deuterium isotope effects kinetics

Deuterium kinetic isotope effects

Deuterium kinetic isotope effects secondary, and transition state

Deuterium kinetic isotope effects structure

Deuterium kinetic isotope effects theoretical calculations

Deuterium kinetic isotope effects, secondary, and transition state structure

Deuterium solvent kinetic isotope effects

Diels-Alder Reaction Kinetic isotope effect

E2 elimination kinetic isotope effect

Electrophilic aromatic substitution kinetic isotope effects

Elementary reactions kinetic isotope effect

Elimination reactions kinetic isotope effects

Ene Reaction. Kinetic Isotope Effects

Enzyme kinetic isotope effects

Enzyme reactions isotope kinetic effects

Experimental Determination of Kinetic Isotope Effects

Extremely high kinetic isotope effects and tunneling

Further Discussion of Nontunneling Kinetic Isotope Effects

General Predictions on Kinetic Isotope Effects

Glycosyl transfer kinetic isotope effects

Group 14 elements kinetic isotope effects

Hammett equation kinetic isotope effects

Hydrogen kinetic isotope effect studie

Hydrogen kinetic isotope effects

Hydrogen-deuterium kinetic isotope effect

Hydrogen-tritium kinetic isotope effects

Hydrogen/deuterium reaction with kinetic isotope effect

Hydrolysis solvent kinetic isotope effects

INTRAMOLECULAR KINETIC ISOTOPE

INTRAMOLECULAR KINETIC ISOTOPE EFFECT

Induced kinetic isotope effect

Intermolecular kinetic isotope effect

Intramolecular kinetic isotope data

Inverse kinetic isotope effect

Inverse secondary kinetic isotope

Inverse secondary kinetic isotope effect

Isotope effects in kinetics

Isotope effects reaction kinetics

Isotope effects, kinetic limits regarding

Isotope effects, kinetic mass regarding

Isotope effects, kinetic phenomenon

Isotope effects, kinetic, Group 14 hydrides

Isotope exchange Kinetic acidity

Isotope exchange reactions kinetic control

Isotopes Kinetic isotope effect

Isotopes isotopic Kinetic

Isotopes kinetic effects, 276 applications

Isotopes, 69-70, Table kinetic isotope effect

Isotopic Labeling and Kinetic Isotope Effects

Isotopic exchange kinetics

Isotopic kinetic

Isotopic kinetic

Isotopic labeling kinetic isotope effects

Isotopic transient kinetic analysis

Isotopic transient kinetic study

Isotopic-Kinetic Experiments

Kinetic H/D isotope effect

Kinetic Isotope Effect (KIE)

Kinetic Isotope Effect Magnitude and Variation with Reaction Asymmetry

Kinetic Isotope Effect for Metals with High Hydrogen Overpotentials

Kinetic Isotope Effects (KIEs)

Kinetic Isotope Effects Continued Variational Transition State Theory and Tunneling

Kinetic Isotope Effects in Electron-Transfer Reactions

Kinetic Isotope Effects in Mixed Solvents

Kinetic Isotope Effects on Chemical Reactions

Kinetic deuterium isotope effects primary

Kinetic isotope amides

Kinetic isotope data

Kinetic isotope effect , glycosylation

Kinetic isotope effect bromination

Kinetic isotope effect determination

Kinetic isotope effect examples

Kinetic isotope effect general theory

Kinetic isotope effect hydrogen isotopes

Kinetic isotope effect lithium enolates

Kinetic isotope effect profile

Kinetic isotope effect quantum mechanical tunneling

Kinetic isotope effect second-order

Kinetic isotope effect table

Kinetic isotope effect types

Kinetic isotope effect usual range

Kinetic isotope effect, decarbonylation

Kinetic isotope effect, equilibrium

Kinetic isotope effect, mechanism

Kinetic isotope effect. See

Kinetic isotope effects

Kinetic isotope effects 1,4-dihydropyridine

Kinetic isotope effects 1,6-cuprate additions

Kinetic isotope effects Aldol-Tishchenko reaction

Kinetic isotope effects aerobic oxidation

Kinetic isotope effects alkane activation

Kinetic isotope effects alkenylation

Kinetic isotope effects alkyne reactions

Kinetic isotope effects alpha carbon

Kinetic isotope effects apparent

Kinetic isotope effects approach

Kinetic isotope effects aromatic substitution

Kinetic isotope effects benzylamine reactions

Kinetic isotope effects carbon

Kinetic isotope effects carbon-hydrogen insertions

Kinetic isotope effects chloride

Kinetic isotope effects chloride/nucleophile

Kinetic isotope effects chlorine

Kinetic isotope effects cyclization

Kinetic isotope effects dependence

Kinetic isotope effects deuterium effect

Kinetic isotope effects diminished

Kinetic isotope effects electronic structure calculations

Kinetic isotope effects enyne-allene cyclization

Kinetic isotope effects enzymes effect determination using

Kinetic isotope effects enzymic bond cleavage

Kinetic isotope effects fluorination

Kinetic isotope effects halide reactions

Kinetic isotope effects heavy-atom

Kinetic isotope effects hydride transfer

Kinetic isotope effects hydrogen shifts

Kinetic isotope effects hydroxylation

Kinetic isotope effects in phosphoryl transfer reactions

Kinetic isotope effects in proton-transfer reactions

Kinetic isotope effects internal

Kinetic isotope effects intramolecular reactions

Kinetic isotope effects intrinsic

Kinetic isotope effects laser flash photolysis

Kinetic isotope effects limiting

Kinetic isotope effects measurement

Kinetic isotope effects methyl transfers

Kinetic isotope effects methyl-transfer reactions

Kinetic isotope effects model calculation

Kinetic isotope effects nitration

Kinetic isotope effects nitrogen

Kinetic isotope effects nomenclature

Kinetic isotope effects normal temperature dependence

Kinetic isotope effects nucleophile carbon

Kinetic isotope effects nucleophilic substitution

Kinetic isotope effects observed

Kinetic isotope effects of deuterium

Kinetic isotope effects origin

Kinetic isotope effects ortholithiation

Kinetic isotope effects oxidation

Kinetic isotope effects oxygen

Kinetic isotope effects primary

Kinetic isotope effects primary hydrogen-deuterium

Kinetic isotope effects product dependence

Kinetic isotope effects radical

Kinetic isotope effects remote

Kinetic isotope effects secondary

Kinetic isotope effects secondary alpha hydrogen-deuterium

Kinetic isotope effects secondary hydrogen-deuterium

Kinetic isotope effects singlet carbenes

Kinetic isotope effects substitutions

Kinetic isotope effects substrate dependence

Kinetic isotope effects temperature dependence

Kinetic isotope effects theoretical calculations

Kinetic isotope effects theory

Kinetic isotope effects transition state structures

Kinetic isotope effects transition-state variation

Kinetic isotope effects tunneling

Kinetic isotope effects variation with

Kinetic isotope effects, benzophenoneA/iV-dimethylaniline proton-transfer

Kinetic isotope effects, benzophenoneA/iV-dimethylaniline proton-transfer classical model

Kinetic isotope effects, benzophenoneA/iV-dimethylaniline proton-transfer reactions

Kinetic isotope effects, benzophenoneA/iV-dimethylaniline proton-transfer semiclassical/quantum model comparisons

Kinetic isotope effects, catalysis rates

Kinetic isotope effects, elucidating reaction

Kinetic isotope effects, elucidating reaction mechanisms with

Kinetic isotope effects, use

Kinetic isotope elfects

Kinetic isotope experiments

Kinetic isotope fractionation

Kinetic isotope fractionation, definition

Kinetic isotope methods

Kinetic isotope phosphate monoesters

Kinetic isotope study

Kinetic isotopic effect

Kinetic isotopic method

Kinetic studies isotope effects

Kinetic thermodynamic isotope fractionation

Kinetic, diameter isotope effects

Kinetics and Isotope Effects

Kinetics isotope effect

Kinetics isotope exchange

Kinetics of the Isotopic Competitive Method

Labeling and Kinetic Isotope Effects

Lysozyme kinetic isotope effect

Mechanistic kinetic isotope effect

Mutarotation kinetic isotope effects

Nitrogen-15 kinetic isotope effects, values

Non-unit kinetic isotope effects

Nonadiabatic Proton Transfer Kinetic Isotope Effects

Normal kinetic isotope effect

Normal secondary kinetic isotope

Normal secondary kinetic isotope effect

Nucleophilic displacement reactions kinetic isotope effects

Origin of kinetic isotope effects

Possible contribution of tunneling to the high secondary a-deuterium kinetic isotope effect

Potential energy surfaces kinetic isotope effect studies

Primary and secondary kinetic isotope effects

Primary deuterium kinetic isotope

Primary kinetic hydrogen isotope effects

Primary kinetic isotope effect for glucose-6-phosphate isomeras

Primary kinetic isotope effect of sulfur

Primary solvent kinetic isotope effect

Protium/deuterium/tritium kinetic isotope

Protium/deuterium/tritium kinetic isotope effects

Reaction branching and extreme kinetic isotope effects

Reaction kinetic isotope effects

Reductive elimination kinetic isotope effects

Regioselectivity kinetic isotope effect

Relaxation methods kinetic isotope effect

SKIE (solvent kinetic isotope

Secondary Kinetic Isotope Effects in Substitution Mechanisms

Secondary a-deuterium kinetic isotope effect

Secondary a-deuterium kinetic isotope effect and the structure of ferrocenylmethyl carbocation type transition state

Secondary deuterium kinetic isotope

Secondary deuterium kinetic isotope effects

Secondary deuterium kinetic isotope effects SDKIE)

Secondary kinetic isotope

Secondary kinetic isotope effect on fumarate hydratase

Secondary kinetic isotope effect participation

Secondary kinetic isotope effect reactions

Secondary solvent kinetic isotope

Secondary solvent kinetic isotope effect

Site selectivity kinetic isotope effect

Solvent Kinetic Isotope Effects in Enzyme Reactions (See Also Section

Solvent kinetic isotope effect

Solvolysis secondary kinetic isotope effects

Some comments on the use of isotopes in kinetic investigations

Some representative kinetic isotope effects

Stable isotopes kinetic isotope effects

Steady state isotopic transient kinetic analysis

Steady-state isotopic transient kinetic analysis SSITKA)

Steady-state isotopic transient kinetic analysis SSITKA) experiments

Steady-state isotopic transient kinetic analysis catalyst surface

Steady-state isotopic transient kinetic analysis response

Steady-state kinetics isotopic exchange

Structure kinetic isotope effects

Studies on Phenols The Kinetic Isotope Effect

Substantial kinetic isotope effect

Substrate kinetic isotope effects

Sulfur isotopes kinetics

Symmetry-induced kinetic isotope effects

The Kinetic Isotope Effect

The Origin of Primary Kinetic Isotope Effects

The kinetic isotope method

Theoretical studies kinetic isotope effects

Transition state analysis using multiple kinetic isotope effects

Transition state kinetic isotope effects

Transmethylation kinetic isotope effects

Tritium kinetic isotope effects

Tritium-deuterium kinetic isotope effects, relative

Using kinetic isotope effects to determine

Wheland intermediates kinetic isotope effect

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