isotope effect
The primary hydrogen kinetic isotope effect in the elimination from 2 phenethyl systems : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science with Honours in Chemistry at Massey University
... This theory predicts that the maximum isotope effect will only be observed for symmetrical transition states , with a progressive decrease in the kH/kD ratio as the transition state beco[r] ...
17
Atom transfer reactions of amino acid derivatives
... Two methods have shown a deuterium isotope effect for 13-carbonhydrogen bond homolysis, hence the reaction of 29a with sulphuryl chloride in benzene may be attributed to intermolecular h[r] ...
178
4267.full.pdf
... deuterium isotope effect of three to seven was observed on the rate constant for nucleotide incorporation in the pre-steady state; none was observed in the steady ...
6
Effect of <em>N</em>-methyl deuteration on metabolism and pharmacokinetics of enzalutamide
... area under the plasma concentration -time curve from time zero to the last measurable sampling time point (AUC 0–t ) were 35% and 102% higher than those of ENT when orally administered to rats (10 mg/kg). The exposure of ...
11
Overview of the JET preparation for deuterium–tritium operation with the ITER like-wall
... beam deposition calculation, and determines the average fast ion slowing down rate ignoring finite thermal ion temperature effects. The orbit-averaged radial displacement due to the first orbit is estimated, after which ...
25
Structure and conformation of photosynthetic pigments and related compounds 13 Identification of localized vibrational modes in chlorophyll a derivatives
... The possibilities of changes in vibrational mode composition can be recognized as inconsistent band shifts. For example, deuteration produces frequency downshifts in C-H bending and stretching modes as the result of a ...
17
Structural Properties and Isotopic Abundance Ratio Analysis of Magnesium Gluconate Treated with the Energy of Consciousness Using LC-MS and NMR Spectroscopy
... Trivedi Effect ® - Biofield Energy Healing Treatment might offer the required energy for the neutrino ...Kinetic isotope effect that is resultant from the variation in the isotopic abundance ratio of ...
10
Webhofer, Christian (2013): Antidepressant activated biochemical pathways and biomarker candidates. Dissertation, LMU München: Graduate School of Systemic Neurosciences (GSN)
... N isotope (>97% 15 N) resulting in an enrichment of the 15 N isotope in the ...N isotope resembled antidepressant treatment effects on the behavioral phenotype of HAB mice in the ...N ...
91
Physiological and environmental controls on the nitrogen and oxygen isotope fractionation of nitrate during its assimilation by marine phytoplankton
... N isotope effects for nitrate uptake and efflux were ...O isotope effect was ...the isotope effect associated with intracellular nitrate reductase is high, the isotope ...
9
On the Isotope Like Effect for High Tc Superconductors in the Scenario of 2 Phonon Exchange Mechanism for Pairing
... the isotope effect for elemental superconductors (SCs) to the case of pairing in the 2-phonon exchange mechanism for composite SCs, we give here an explanation of the well-known increase in the critical ...
6
AN EVALUATION OF TRANSITION TEMPERATURE TC AND EVALUATION OF PRESSURE AND VOLUME DEPENDENT ((dT_c)/dp),((dT_c)/dv), ISOTOPE COEFFICIENT (?) AND ENERGY GAP PARAMETER (?) FOR ALKALI METAL DOPED FULLERIDE K3C60
... dependent and volume dependent transition temperature isotope effect exponent and energy gap parameter for alkali metal doped fullerides (K 3 C 60 ). For pressure dependent[r] ...
15
Properties of Electrical Conductivity in Y Doped CaZrO3
... H/D isotope effect on the electrical conductivity indicate that the proton is the dominant charge carrier at low temperatures below 1373 ...D isotope effect, the electrical conductivity ...
7
The first investigation of Wilms’ tumour atomic structure– nitrogen and carbon isotopic composition as a novel biomarker for the most individual approach in cancer disease
... examined isotope ratios directly in tumour tissues [9, 10, 11, 12] with promising indications that isotopic composition may facilitate the classification of patients into risk groups [11, ...stable isotope ...
9
Multisubstrate Isotope Labeling and Metagenomic Analysis of Active Soil Bacterial Communities
... IMPORTANCE The ability to identify genes based on function, instead of sequence homology, allows the discovery of genes that would not be identified through sequence alone. This is arguably the most powerful application ...
12
Ultralight Oxygen in Corundum Bearing Rocks of North Karelia, Russia, as a Result of Isotope Separation by Thermal Diffusion (Soret Effect) in Endogenous Fluid Flow
... During metasomatism the fluid migrates from the hot center part of the permeable zone into the colder host rock by means of the external convection and according the foregoing mechanism the host rocks are enriching in ...
6
Multiple negative carbon-isotope excursions during the Carnian Pluvial Episode (Late Triassic)
... The Carnian (Julian Tuvalian) succession of the Dolomites (Fig. 1C and Fig. 2) begins with the marls and calcareous turbidites of the San Cassiano Formation (Julian). The relative modal composition of packstones and ...
70
Stable isotope analyses of bat fur: Applications for investigating North American bat migration
... Stable Isotope Science, and despite managing a truly intimidating schedule, made time available each week to meet about this project and was always interested to discuss even the smallest details of project ...
241
Assessing the effect of organic residue quality on active decomposing fungi in a tropical Vertisol using 15N DNA stable isotope probing
... Bending and Georg Cadisch Article Title: Assessing the effect of organic residue quality on active decomposing fungi in a tropical Vertisol using 15N-DNA stable isotope probing Year of p[r] ...
13
Isotopie tracing of groundwater at Žitný ostrov (SW Slovakia)
... experimental isotope data has been car- ried out with the aim to study spatial variations in the distribution of water isotopes and radiocarbon in groundwater of ˇ Zitn´ y ostrov (Rye Is- land), which is the ...
11
Onset of the aerobic nitrogen cycle during the Great Oxidation Event
... nitrogen isotope data in the context of Fe speciation and carbon isotope data suggests biogeochemical cycling across a dynamic redox boundary, with primary productivity fuelled by chemoautotrophic ...
28