Isotope Effects In Nmr Spectroscopy
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| Author | : Amnon Kohen |
| Publisher | : CRC Press |
| Total Pages | : 1092 |
| Release | : 2005-11-01 |
| Genre | : Medical |
| ISBN | : 1420028022 |
The field of isotope effects has expanded exponentially in the last decade, and researchers are finding isotopes increasingly useful in their studies. Bringing literature on the subject up to date, Isotope Effects in Chemistry and Biology covers current principles, methods, and a broad range of applications of isotope effects in the physical, biolo
| Author | : Paul F. Cook |
| Publisher | : CRC Press |
| Total Pages | : 656 |
| Release | : 1991-09-20 |
| Genre | : Medical |
| ISBN | : 9780849353123 |
Isotope effects have become one of the most powerful tools available to the enzymologist for probing enzymic mechanisms. Enzyme Mechanism from Isotope Effects presents the basic theory underlying isotope effects, including the latest findings on proton tunneling and coupled atomic notions. Specific theoretical applications are emphasized in regard to the types of information that can be obtained using isotope effects. The book also examines recent theoretical treatments of the product dependence of deuterium isotope effects, multiple isotope effects and isotope effects on intermediate partitioning. Other topics include a complete discussion of methods for measuring isotope effects, including a detailed description of the use of the isotope ratio mass spectrometer to obtain isotope effects, and a review of the literature regarding mechanistic information obtained from isotope effects for individual classes of enzyme-catalyzed reactions. Enzyme Mechanism from Isotope Effects is an excellent reference source for investigators using isotope effects in their research. The book is also valuable for reference libraries and instructors teaching courses in enzyme mechanism.
| Author | : |
| Publisher | : |
| Total Pages | : 192 |
| Release | : 1990 |
| Genre | : Isotopes |
| ISBN | : |
Das Buch enthält folgende Beiträge: S. Berger, Marburg, FRG: Chemische Modelle der Deuteriumisotopeneffekte in der 13C- und 19F-NMR SpektroskopieN.M. Sergeyev, Moscow, USSR: Isotopeneffekte auf die Spin-Spin Kopplungskonstanten: Experimentelle HinweiseJ.M. Risley, R.L. van Etten, West Lafayette, IN, USA: Eigenschaften und chemische Anwendungen des 18O-Isotopenshifts in der 13C- und 15N Nuklearmagnetik-Resonanz-Spektroskopie.
| Author | : Lars C. S. Melander |
| Publisher | : |
| Total Pages | : 360 |
| Release | : 1987 |
| Genre | : Science |
| ISBN | : |
| Author | : Max Wolfsberg |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 477 |
| Release | : 2009-12-15 |
| Genre | : Science |
| ISBN | : 9048122651 |
As the title suggests, Isotope Effects in the Chemical, Geological and Bio Sciences deals with differences in the properties of isotopically substituted molecules, such as differences in the chemical and physical properties of water and the heavy waters. Since the various fields in which isotope effects are applied do not only share fundamental principles but also experimental techniques, this book includes a discussion of experimental apparatus and experimental techniques. Isotope Effects in the Chemical, Geological and Bio Sciences is an educational monograph addressed to graduate students and others undertaking isotope effect research. The fundamental principles needed to understand isotope effects are presented in appropriate detail. While it is true that these principles are more familiar to students of physical chemistry and some background in physical chemistry is recommended, the text provides enough detail to make the book an asset to students in organic and biochemistry, and geochemistry.
| Author | : Bernhard Blümich |
| Publisher | : Walter de Gruyter GmbH & Co KG |
| Total Pages | : 305 |
| Release | : 2014-08-22 |
| Genre | : Technology & Engineering |
| ISBN | : 3110374587 |
The goal of this book is to provide an introduction to the practical use of mobile NMR at a level as basic as the operation of a smart phone. Each description follows the same didactic pattern: introduction, basic theory, pulse sequences and parameters, beginners-level measurements, advanced-level measurements, and data processing. Nuclear Magnetic Resonance (NMR) spectroscopy is the most popular method for chemists to analyze molecular structures while Magnetic Resonance Imaging (MRI) is a non-invasive diagnostic tool for medical doctors that provides high-contrast images of biological tissue depicting the brain function and the beating heart. In both applications large super-conducting magnets are employed which magnetize atomic nuclei of an object positioned inside the magnet. Their circulating motion is interrogated by radio-frequency waves. Depending on the operating mode, the frequency spectrum provides the chemist with molecular information, the medical doctor with anatomic images, while the materials scientist is interested in NMR relaxation parameters, which scale with material properties and determine the contrast in magnetic resonance images. Recent advances in magnet technology led to a variety of small permanent magnets, by which NMR spectra, images, and relaxation parameters can be measured with mobile and low-cost instruments.
| Author | : Boris Mikhailovich Andreev |
| Publisher | : Elsevier |
| Total Pages | : 317 |
| Release | : 2006-12-01 |
| Genre | : Science |
| ISBN | : 0080468098 |
Separation of Isotopes of Biogenic Elements provides a detailed overview of this area of research covering all aspects from the value of isotope effects to their practical use (equilibrium single-stage isotope effect - kinetics and mass transfer – multiplication of the single-stage isotope separation factor - technological peculiarity of processes) with the purpose of extraction from the natural mixture of the enriched and highly concentrated isotopes. In contrast to traditional books on the theory of isotope separation, the theoretical part of the book describes separation in two-phase processes in counter-flow columns. The experimental part of the book presents systematic analysis of specialists in the field of isotope separation in counter-flow columns. This book will be of interest to scientists, engineers and technical workers engaged in isotope separation processes and isotope application in nuclear physics, medicine, agro-chemistry, biology and other areas. This book may also be used in teaching theory and practical aspects in courses on physical chemistry and Isotope separation of light elements by physicochemical methods.* summarises current state of isotope research, especially biogenic elements* covering all aspects from the value of isotope effects to their practical use* of interest to scientists, engineers and technical workers engaged in isotope separation processes and isotope application
| Author | : Harald Günther |
| Publisher | : John Wiley & Sons |
| Total Pages | : 842 |
| Release | : 2013-12-13 |
| Genre | : Science |
| ISBN | : 3527674772 |
Nuclear magnetic resonance (NMR) spectroscopy is one of the most powerful and widely used techniques in chemical research for investigating structures and dynamics of molecules. Advanced methods can even be utilized for structure determinations of biopolymers, for example proteins or nucleic acids. NMR is also used in medicine for magnetic resonance imaging (MRI). The method is based on spectral lines of different atomic nuclei that are excited when a strong magnetic field and a radiofrequency transmitter are applied. The method is very sensitive to the features of molecular structure because also the neighboring atoms influence the signals from individual nuclei and this is important for determining the 3D-structure of molecules. This new edition of the popular classic has a clear style and a highly practical, mostly non-mathematical approach. Many examples are taken from organic and organometallic chemistry, making this book an invaluable guide to undergraduate and graduate students of organic chemistry, biochemistry, spectroscopy or physical chemistry, and to researchers using this well-established and extremely important technique. Problems and solutions are included.
| Author | : John L. Markley |
| Publisher | : Oxford University Press |
| Total Pages | : 375 |
| Release | : 1997-01-30 |
| Genre | : Medical |
| ISBN | : 0195094689 |
This book presents a critical assessment of progress on the use of nuclear magnetic resonance spectroscopy to determine the structure of proteins, including brief reviews of the history of the field along with coverage of current clinical and in vivo applications. The book, in honor of Oleg Jardetsky, one of the pioneers of the field, is edited by two of the most highly respected investigators using NMR, and features contributions by most of the leading workers in the field. It will be valued as a landmark publication that presents the state-of-the-art perspectives regarding one of today's most important technologies.
| Author | : Clair J. Collins |
| Publisher | : |
| Total Pages | : 456 |
| Release | : 1971 |
| Genre | : Science |
| ISBN | : |
