Nuclear And Electron Relaxation

Author : Lucia Banci,Ivano Bertini,Claudio Luchinat
Publisher : Wiley-VCH
Page : 236 pages
File Size : 51,6 Mb
Release : 1991-11
Category : Science
ISBN : UOM:39015053340397

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Nuclear and Electron Relaxation by Lucia Banci,Ivano Bertini,Claudio Luchinat Pdf

This book deals with spin relaxation by underlying the similarities between nuclear and electron spins, and provides a clear and unified picture of the behavior of spins in magnetic resonance. It is especially tailored for scientists dealing with chemical applications of relaxation phenomena. It reviews the basic theory together with the mathematical approach and shows how the theory elucidates the structure and dynamic behavior of transition metal complexes, metal clusters and metalloproteins. The complete theory of contrast agents in magnetic resonance imaging is also presented. The book is a unique and valuable guide for anyone working with paramagnetic systems, from physical and inorganic chemists to biophysicists.

Author : Jozef Kowalewski,Lena Maler
Publisher : CRC Press
Page : 440 pages
File Size : 45,9 Mb
Release : 2006-03-15
Category : Science
ISBN : 9781420012194

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Nuclear Spin Relaxation in Liquids by Jozef Kowalewski,Lena Maler Pdf

Nuclear magnetic resonance (NMR) is widely used across many fields because of the rich data it produces, and some of the most valuable data come from the study of nuclear spin relaxation in solution. While described to varying degrees in all major NMR books, spin relaxation is often perceived as a difficult, if not obscure, topic, and an accessible, cohesive treatment has been nearly impossible to find. Collecting relaxation theory, experimental techniques, and illustrative applications into a single volume, this book clarifies the nature of the phenomenon, shows how to study it, and explains why such studies are worthwhile. Coverage ranges from basic to rigorous theory and from simple to sophisticated experimental methods, and the level of detail is somewhat greater than most other NMR texts. Topics include cross-relaxation, multispin phenomena, relaxation studies of molecular dynamics and structure, and special topics such as relaxation in systems with quadrupolar nuclei and paramagnetic systems. Avoiding overly demanding mathematics, the authors explain relaxation in a manner that anyone with a basic familiarity with NMR can follow, regardless of their specialty. The focus is on illustrating and explaining the physical nature of the phenomena, rather than the intricate details. Nuclear Spin Relaxation in Liquids: Theory, Experiments, and Applications forms useful supplementary reading for graduate students and a valuable desk reference for NMR spectroscopists, whether in chemistry, physics, chemical physics, or biochemistry.

Author : Jozef Kowalewski,Lena Maler
Publisher : CRC Press
Page : 372 pages
File Size : 40,9 Mb
Release : 2017-12-14
Category : Science
ISBN : 9781351264594

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Nuclear Spin Relaxation in Liquids by Jozef Kowalewski,Lena Maler Pdf

Nuclear magnetic resonance (NMR) is widely used across many fields of science because of the rich data it produces, and some of the most valuable data come from studies of nuclear spin relaxation in solution. The first edition of this book, published more than a decade ago, provided an accessible and cohesive treatment of the field. The present second edition is a significant update, covering important new developments in recent years. Collecting relaxation theory, experimental techniques, and illustrative applications into a single volume, this book clarifies the nature of the phenomenon, shows how to study it and explains why such studies are worthwhile. Coverage ranges from basic to rigorous theory and from simple to sophisticated experimental methods. Topics include cross-relaxation, multispin phenomena, relaxation studies of molecular dynamics and structure and special topics such as relaxation in systems with quadrupolar nuclei, in paramagnetic systems and in long-living spin states. Avoiding overly demanding mathematics, the authors explain spin relaxation in a manner that anyone with a familiarity with NMR can follow. The focus is on illustrating and explaining the physical nature of relaxation phenomena. Nuclear Spin Relaxation in Liquids: Theory, Experiments and Applications, 2nd edition, provides useful supplementary reading for graduate students and is a valuable reference for NMR spectroscopists, whether in chemistry, physics or biochemistry.

Author : Charles P. Jr. Poole
Publisher : Elsevier
Page : 409 pages
File Size : 48,8 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323151825

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Relaxation in Magnetic Resonance by Charles P. Jr. Poole Pdf

Relaxation in Magnetic Resonance contains a series of lecture notes for a special topics course at the University of South Carolina in 1967. This book contains 21 chapters that summarize the main theoretical formulations and experimental results of magnetic resonance relaxation phenomena in several physical systems. This text deals first with the various methods in determining the relaxation behavior of the macroscopic spin system, such as Bloch equations, saturation methods, and transient resonant absorption. The subsequent chapters discuss the homogeneous and inhomogeneous resonant lines in solids and liquids and the significance of the Kubo-Tomita and Redfield theories in magnetic resonance. This book then considers the background research on electron spin resonance and relaxation in ionic solids. The concluding chapters explore the acoustic absorption coefficient and dielectric constant calculation; the relaxation processes in paramagnetic substance; and the characteristics of Mössbauer spectra and their application in magnetic relaxation. This book will be useful to both graduate students embarking upon thesis problems in relaxation and more advanced workers who seek an overall summary of the status of the field, as well as to physicists and chemists.

Author : Dieter Wolf
Publisher : Oxford University Press, USA
Page : 488 pages
File Size : 47,5 Mb
Release : 1979
Category : Language Arts & Disciplines
ISBN : UCAL:B4515447

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Spin-temperature and Nuclear-spin Relaxation in Matter by Dieter Wolf Pdf

Author : L. Muus
Publisher : Springer Science & Business Media
Page : 543 pages
File Size : 49,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461586784

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Electron Spin Relaxation in Liquids by L. Muus Pdf

Electron spin relaxation has established itself as an important experimental method for studying the details of molecular motion in liquids, and as a harsh testing ground for theoreticians. The theo retical difficulties are connected with the complexity of the mole cular motion, and the theoretical interest lies not only in its im portant consequences for the interpretation of experiments, but also in the fascination of a system in which a well-defined quantum me chanical component is in interaction with a complex quasi-classical environment. It is because the theories are concerned with such dissimilar but connected systems that the techniques involved are so numerous. Many of the standard manipulations of quantum mechanics must be brought to bear, and at the same time they must be combined with statistical techniques which are often of considerable sophis tication. The purpose of this volume is to present a survey of these techniques and their application to spin relaxation problems. No single volume can be exhaustive, but we believe that the contri butions to this volume are sufficiently broad to show how those who are concerned with spin relaxation problems think about the subject and circumvent, or expose, its difficulties. The first few Chapters (I-V) review the basic quantum mechani cal and statistical manipulations which are often used.

Author : Henry David Connor
Publisher : Unknown
Page : 400 pages
File Size : 52,6 Mb
Release : 1978
Category : Electron paramagnetic resonance
ISBN : CORNELL:31924003894965

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Electron Nuclear Double Resonance and Electron Spin Resonance Studies of Spin Relaxation in Solutions of Semiquinones by Henry David Connor Pdf

Author : Danuta Kruk
Publisher : Theschoolbook.com
Page : 381 pages
File Size : 41,7 Mb
Release : 2007
Category : Science
ISBN : 1845491769

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Theory of Evolution and Relaxation of Multi-spin Systems by Danuta Kruk Pdf

Praise for 'Theory of Evolution and Relaxation of Multi-Spin Systems': . it provides a lucid and systematic development of a very complex area of modern theory involving spin dynamics driven by complex, non-commuting hamiltonians. These phenomena are of fundamental importance in NMR, NQR and ESR spectroscopies. The monograph will be extremely useful both in graduate education and in on-going research. Dr. Kruk's manuscript is an extremely valuable contribution to our field and is written at the highest level of professional scholarship. The general scholarly quality and the theoretical level are both very high, thus providing a unique resource to the research community. Dr. Kruk succeeded to write a comprehensive representation of the theoretical background of spin relaxation. There is no other treatise on magnetic resonance on the market with this multidisciplinary comprehensiveness, clarity of treatment and systematic analysis of spin relaxation.

Author : Tapio O. Niinikoski
Publisher : Cambridge University Press
Page : 535 pages
File Size : 54,6 Mb
Release : 2020-01-16
Category : Medical
ISBN : 9781108475075

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The Physics of Polarized Targets by Tapio O. Niinikoski Pdf

Explains what spin is and how spins are polarized to study elementary particles, nuclei, atoms and molecular structures.

Author : James McConnell
Publisher : Cambridge University Press
Page : 0 pages
File Size : 48,5 Mb
Release : 2009-03-05
Category : Science
ISBN : 0521107717

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The Theory of Nuclear Magnetic Relaxation in Liquids by James McConnell Pdf

This book provides a complete exposition of the theory of nuclear magnetic relaxation caused by the thermal motion of the molecule containing the relaxing nucleus. The author begins by defining the physical quantities encountered in nuclear magnetic resonance studies and surveying pioneering investigations in the field. Nuclear magnetic relaxation by scalar, dipolar, quadrupolar and spin-rotational interactions and by anisotropic chemical shift are then examined in detail. Relaxation rates are expressed in terms of spectral densities, and the values of the spectral densities for various molecular shapes are calculated by random walk or Brownian motion dynamics. The text should be within the grasp of readers who have taken undergraduate courses in electromagnetic theory and in classical and quantum mechanics, although topics in these fields of particular relevance are to be found in appendices. This book will be of value to postgraduate students and research workers using n.m.r. in physics and physical chemistry departments, and by scientists in industrial and medical research.

Author : Derek Marsh
Publisher : CRC Press
Page : 1082 pages
File Size : 43,5 Mb
Release : 2019-12-09
Category : Medical
ISBN : 9780429528675

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Spin-Label Electron Paramagnetic Resonance Spectroscopy by Derek Marsh Pdf

Spin-label electron paramagnetic resonance (EPR) spectroscopy is a versatile molecular probe method that finds wide application in molecular biophysics and structural biology. This book provides the first comprehensive summary of basic principles, spectroscopic properties, and use for studying biological membranes, protein folding, supramolecular structure, lipid-protein interactions, and dynamics. The contents begin with discussion of fundamental theory and practice, including static spectral parameters and conventional continuous-wave (CW) spectroscopy. The development then progresses, via nonlinear CW-EPR for slower motions, to the more demanding time-resolved pulse EPR, and includes an in-depth treatment of spin relaxation and spectral line shapes. Once the spectroscopic fundamentals are established, the final chapters acquire a more applied character. Extensive appendices at the end of the book provide detailed summaries of key concepts in magnetic resonance and chemical physics for the student reader and experienced practitioner alike. Key Features: Indispensable reference source for the understanding and interpretation of spin-label spectroscopic data in its different aspects. Tables of fundamental spectral parameters are included throughout. Forms the basis for an EPR graduate course, extending up to a thorough coverage of advanced topics in Specialist Appendices. Includes all necessary theoretical background. The primary audience is research workers in the fields of molecular biophysics, structural biology, biophysical chemistry, physical biochemistry and molecular biomedicine. Also, physical chemists, polymer physicists, and liquid-crystal researchers will benefit from this book, although illustrative examples used are often taken from the biomolecular field. Readers will be postgraduate researchers and above, but include those from other disciplines who seek to understand the primary spin-label EPR literature.

Author : Nathaniel J. Schaefle
Publisher : Unknown
Page : 548 pages
File Size : 43,9 Mb
Release : 2005
Category : Electronic
ISBN : UOM:39015060558791

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Nuclear Magnetic Resonance Paramagnetic Relaxation by Nathaniel J. Schaefle Pdf

Author : Gertz Likhtenshtein
Publisher : Springer
Page : 342 pages
File Size : 50,9 Mb
Release : 2016-07-25
Category : Science
ISBN : 9783319339276

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Electron Spin Interactions in Chemistry and Biology by Gertz Likhtenshtein Pdf

This book presents the versatile and pivotal role of electron spin interactions in nature. It provides the background, methodologies and tools for basic areas related to spin interactions, such as spin chemistry and biology, electron transfer, light energy conversion, photochemistry, radical reactions, magneto-chemistry and magneto-biology. The book also includes an overview of designing advanced magnetic materials, optical and spintronic devices and photo catalysts. This monograph will be of interest to scientists and graduate students working in the areas related to spin interactions physics, biophysics, chemistry and chemical engineering.

Author : Andrew Smerald
Publisher : Springer Science & Business Media
Page : 173 pages
File Size : 44,8 Mb
Release : 2013-08-13
Category : Science
ISBN : 9783319004341

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Theory of the Nuclear Magnetic 1/T1 Relaxation Rate in Conventional and Unconventional Magnets by Andrew Smerald Pdf

One of the best ways to "lift the lid" on what is happening inside a given material is to study it using nuclear magnetic resonance (NMR). Of particular interest are NMR 1/T1 relaxation rates, which measure how fast energy stored in magnetic nuclei is transferred to surrounding electrons. This thesis develops a detailed, quantitative theory of NMR 1/T1 relaxation rates, and shows for the first time how they could be used to measure the speed at which energy travels in a wide range of magnetic materials. This theory is used to make predictions for"Quantum Spin Nematics", an exotic form of quantum order analogous to a liquid crystal. In order to do so, it is first necessary to unravel how spin nematics transport energy. This thesis proposes a new way to do this, based on the description of quarks in high-energy physics. Experiments to test the ideas presented are now underway in laboratories across the world.

Author : Lawrence Berliner,Sandra S. Eaton,Gareth R. Eaton
Publisher : Springer Science & Business Media
Page : 623 pages
File Size : 42,6 Mb
Release : 2001-03-31
Category : Medical
ISBN : 9780306465338

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Distance Measurements in Biological Systems by EPR by Lawrence Berliner,Sandra S. Eaton,Gareth R. Eaton Pdf

Distance measurements in biological systems by EPR The foundation for understanding function and dynamics of biological systems is knowledge of their structure. Many experimental methodologies are used for determination of structure, each with special utility. Volumes in this series on Biological Magnetic Resonance emphasize the methods that involve magnetic resonance. This volume seeks to provide a critical evaluation of EPR methods for determining the distances between two unpaired electrons. The editors invited the authors to make this a very practical book, with specific numerical examples of how experimental data is worked up to produce a distance estimate, and realistic assessments of uncertainties and of the range of applicability, along with examples of the power of the technique to answer biological problems. The first chapter is an overview, by two of the editors, of EPR methods to determine distances, with a focus on the range of applicability. The next chapter, also by the Batons, reviews what is known about electron spin relaxation times that are needed in estimating distances between spins or in selecting appropriate temperatures for particular experiments. Albert Beth and Eric Hustedt describe the information about spin-spin interaction that one can obtain by simulating CW EPR line shapes of nitroxyl radicals. The information in fluid solution CW EPR spectra of dual-spin labeled proteins is illustrated by Hassane Mchaourab and Eduardo Perozo.