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Author : P. J. Wheatley
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Chemical Consequences of Nuclear Spin written by P. J. Wheatley and published by . This book was released on 1970 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. J. Wheatley
Publisher :
ISBN 13 : 9780444100276
Total Pages : pages
Book Rating : 4.1/5 (2 download)
Download or read book Chemical Consequences of Nuclear Spin written by P. J. Wheatley and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Larry Lee Sterna
Publisher :
ISBN 13 :
Total Pages : 684 pages
Book Rating : 4.:/5 (827 download)
Download or read book Effect of Nuclear Spin on Chemical Reactions and Internal Molecular Rotation written by Larry Lee Sterna and published by . This book was released on 1981 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Giuseppe Pileio
Publisher : Royal Society of Chemistry
ISBN 13 : 1788015681
Total Pages : 462 pages
Book Rating : 4.7/5 (88 download)
Download or read book Long-lived Nuclear Spin Order written by Giuseppe Pileio and published by Royal Society of Chemistry. This book was released on 2020-04-15 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea that a long-lived form of spin order, namely singlet order, can be prepared from nuclear spin magnetisation first emerged in 2004. The unusual properties of singlet order–its long lifetime and the fact that it is NMR silent but interconvertible into other forms of NMR active order—make it a ‘smart tag’ that can be used to store information for a long time or through distant space points. It is not unexpected then, that since its first appearance, this idea has caught the attention of research groups interested in exploiting this form of order in different fields of research spanning from biology to materials science and from hyperpolarisation to quantum computing. This first book on the subject gives a thorough description of the various aspects that affect the development of the topic and details the interdisciplinary applications. The book starts with a section dedicated to the basic theories of long-lived spin order and then proceeds with a description of the state-of-the-art experimental techniques developed to manipulate singlet order. It then concludes by covering the generalization of the concept of singlet order by introducing and discussing other forms of long-lived spin order.
Author : Joseph Noggle
Publisher : Elsevier
ISBN 13 : 0323141390
Total Pages : 271 pages
Book Rating : 4.3/5 (231 download)
Download or read book The Nuclear Overhauser Effect written by Joseph Noggle and published by Elsevier. This book was released on 2012-12-02 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Nuclear Overhauser Effect aims to provide a unified treatment of both the theory and applications of the NOE that would be accessible to the chemist who is not a specialist in NMR, but who would nevertheless like to use the NOE to solve problems in his own area of interest. Assuming only that the reader has a typical chemist's working knowledge of NMR, an attempt is made to present the results in each section in a sufficiently simple form so that little mathematical sophistication will be required to apply them with understanding. This book comprises eight chapters, and begins with a focus on nuclear spin-lattice relaxation. The following chapters then discuss mechanisms of spin-lattice relaxation; the nuclear overhauser effect in rigid molecules; the effects of internal motions; experimental methods; transient methods; the effects of chemical exchange; and applications of the nuclear overhauser effect, with a review of available literature. This book will be of interest to practitioners in the fields of chemistry and physics.
Download or read book Effect of Nuclear Spin on Chemical Reactions and Internal Molecular Rotation written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Part I of this dissertation is a study of the magnetic isotope effect, and results are presented for the separation of 13C and 12C isotopes. Two models are included in the theoretical treatment of the effect. In the first model the spin states evolve quantum mechanically, and geminate recombination is calculated by numerically integrating the collision probability times the probability the radical pair is in a singlet state. In the second model the intersystem crossing is treated via first-order rate constants which are average values of the hyperfine couplings. Using these rate constants and hydrodynamic diffusion equations, an analytical solution, which accounts for all collisions, is obtained for the geminate recombination. The two reactions studied are photolysis of benzophenone and toluene and the photolytic decomposition of dibenzylketone (1,3-diphenyl-2-propanone). No magnetic isotope effect was observed in the benzophenone reaction. 13C enrichment was observed for the dibenzylketone reaction, and this enrichment was substantially enhanced at intermediate viscosities and low temperatures. Part II of this dissertation is a presentation of theory and results for the use of Zeeman spin-lattice relaxation as a probe of methyl group rotation in the solid state. Experimental results are presented for the time and angular dependences of rotational polarization, the methyl group magnetic moment, and methyl-methyl steric interactions. The compounds studied are 2,6-dimethylphenol, methyl iodide, 1,4,5,8-tetramethylanthracene, 1,4,5,8-tetramethylnaphthalene, 1,2,4,5-tetramethylbenzene, and 2,3-dimethylmaleicanhydride.
Author : Jozef Kowalewski
Publisher : CRC Press
ISBN 13 : 1351264591
Total Pages : 372 pages
Book Rating : 4.3/5 (512 download)
Download or read book Nuclear Spin Relaxation in Liquids written by Jozef Kowalewski and published by CRC Press. This book was released on 2017-12-14 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Jozef Kowalewski
Publisher : CRC Press
ISBN 13 : 1420012193
Total Pages : 440 pages
Book Rating : 4.4/5 (2 download)
Download or read book Nuclear Spin Relaxation in Liquids written by Jozef Kowalewski and published by CRC Press. This book was released on 2006-03-15 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : T. Claridge
Publisher : Elsevier
ISBN 13 : 9780080427997
Total Pages : 408 pages
Book Rating : 4.4/5 (279 download)
Download or read book High-resolution NMR Techniques in Organic Chemistry written by T. Claridge and published by Elsevier. This book was released on 1999-12-24 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the initial observation of proton magnetic resonance in water and in paraffin, the discipline of nuclear magnetic resonance has seen unparalleled growth as an analytical method. Modern NMR spectroscopy is a highly developed, yet still evolving, subject which finds application in chemistry, biology, medicine, materials science and geology. In this book, emphasis is on the more recently developed methods of solution-state NMR applicable to chemical research, which are chosen for their wide applicability and robustness. These have, in many cases, already become established techniques in NMR laboratories, in both academic and industrial establishments. A considerable amount of information and guidance is given on the implementation and execution of the techniques described in this book.
Author : Hisaharu Hayashi
Publisher : World Scientific
ISBN 13 : 9789812384232
Total Pages : 272 pages
Book Rating : 4.3/5 (842 download)
Download or read book Introduction to Dynamic Spin Chemistry written by Hisaharu Hayashi and published by World Scientific. This book was released on 2004 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Readership: Graduate students, researchers and industrialists in chemistry, physics and biology.
Author : Roy McWeeny
Publisher : Courier Corporation
ISBN 13 : 0486434869
Total Pages : 178 pages
Book Rating : 4.4/5 (864 download)
Download or read book Spins in Chemistry written by Roy McWeeny and published by Courier Corporation. This book was released on 2004-06-18 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally delivered as a series of lectures, this volume systematically traces the evolution of the "spin" concept from its role in quantum mechanics to its assimilation into the field of chemistry. Author Roy McWeeny presents an in-depth illustration of the deductive methods of quantum theory and their application to spins in chemistry, following the path from the earliest concepts to the sophisticated physical methods employed in the investigation of molecular structure and properties. Starting with the origin and development of the spin concept, the text advances to an examination of spin and valence; reviews a simple example of the origin of spin Hamiltonians; and explores spin density, spin populations, and spin correlation. Additional topics include nuclear hyperfine effects and electron spin-spin coupling, the g tensor, and chemical shifts and nuclear spin-spin coupling.
Author : Ivano Bertini
Publisher : Elsevier
ISBN 13 : 0444634487
Total Pages : 510 pages
Book Rating : 4.4/5 (446 download)
Download or read book NMR of Paramagnetic Molecules written by Ivano Bertini and published by Elsevier. This book was released on 2016-09-15 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: NMR of Paramagnetic Molecules: Applications to Metallobiomolecules and Models, Second Edition is a self-contained, comprehensive reference for chemists, physicists, and life scientists whose research involves analyzing paramagnetic compounds. Since the previous edition of this book was published, there have been many advancements in the field of paramagnetic NMR spectroscopy. This completely updated and expanded edition contains the latest fundamental theory and methods for mastery of this analytical technique. Users will learn how to interpret the NMR spectra of paramagnetic molecules, improve experimental techniques, and strengthen their understanding of the underlying theory and applications. - Reflects all advances in the field in a completely updated new edition - Presents new material on self-orientation residual dipolar couplings, solid state NMR, dynamic nuclear polarization, and paramagnetic restraints for structure calculations - Includes information relevant to paramagnetic molecules, metallobiomolecules, paramagnetic compounds, and paramagnetic NMR spectroscopy - Presents specific examples of paramagnetic inorganic species and experimental techniques for structure characterization
Author : Malcolm H. Levitt
Publisher : John Wiley & Sons
ISBN 13 : 1118681843
Total Pages : 824 pages
Book Rating : 4.1/5 (186 download)
Download or read book Spin Dynamics written by Malcolm H. Levitt and published by John Wiley & Sons. This book was released on 2013-05-20 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spin Dynamics: Basics of Nuclear Magnetic Resonance, Second Edition is a comprehensive and modern introduction which focuses on those essential principles and concepts needed for a thorough understanding of the subject, rather than the practical aspects. The quantum theory of nuclear magnets is presented within a strong physical framework, supported by figures. The book assumes only a basic knowledge of complex numbers and matrices, and provides the reader with numerous worked examples and exercises to encourage understanding. With the explicit aim of carefully developing the subject from the beginning, the text starts with coverage of quarks and nucleons and progresses through to a detailed explanation of several important NMR experiments, including NMR imaging, COSY, NOESY and TROSY. Completely revised and updated, the Second Edition features new material on the properties and distributions of isotopes, chemical shift anisotropy and quadrupolar interactions, Pake patterns, spin echoes, slice selection in NMR imaging, and a complete new chapter on the NMR spectroscopy of quadrupolar nuclei. New appendices have been included on Euler angles, and coherence selection by field gradients. As in the first edition, all material is heavily supported by graphics, much of which is new to this edition. Written for undergraduates and postgraduate students taking a first course in NMR spectroscopy and for those needing an up-to-date account of the subject, this multi-disciplinary book will appeal to chemical, physical, material, life, medical, earth and environmental scientists. The detailed physical insights will also make the book of interest for experienced spectroscopists and NMR researchers. • An accessible and carefully written introduction, designed to help students to fully understand this complex and dynamic subject • Takes a multi-disciplinary approach, focusing on basic principles and concepts rather than the more practical aspects • Presents a strong pedagogical approach throughout, with emphasis placed on individual spins to aid understanding • Includes numerous worked examples, problems, further reading and additional notes Praise from the reviews of the First Edition: "This is an excellent book... that many teachers of NMR spectroscopy will cherish... It deserves to be a ‘classic’ among NMR spectroscopy texts." NMR IN BIOMEDICINE "I strongly recommend this book to everyone...it is probably the best modern comprehensive description of the subject." ANGEWANDTE CHEMIE, INTERNATIONAL EDITION
Author : Vladimir K. Michaelis
Publisher : John Wiley & Sons
ISBN 13 : 1119441692
Total Pages : 472 pages
Book Rating : 4.1/5 (194 download)
Download or read book Handbook of High Field Dynamic Nuclear Polarization written by Vladimir K. Michaelis and published by John Wiley & Sons. This book was released on 2019-12-12 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addresses Dynamic Nuclear Polarization (DNP) as a technique for sensitivity-enhancement in solid-state NMR spectroscopy This comprehensive handbook is a compendium of the current state-of-the art of high field Dynamic Nuclear Polarization—from long-proven, early developments, up to today’s hot topics. It covers all the relevant subjects that have made a direct or indirect contribution toward advancing this field, and focuses on topics such as: the theory behind the effects seen within DNP; instrumentation required for carrying out DNP; and specific applications of DNP including protein monitoring, catalysis, nanoparticles, biological and clinical studies. Development and application of techniques that have indirectly contributed to advancing MAS DNP NMR, such as DNP experiments on static solids within microwave resonant structures, and high-field EPR, are also examined. Handbook of High Field Dynamic Nuclear Polarization is presented in three sections—Theoretical Aspects, DNP Development (instrumentation / radical / sample), and DNP NMR Applications. The first section offers chapters on; solid and cross effect DNP; thermal mixing; Overhauser; and dissolution DNP. The second looks at: microwave technology, gyrotron, and IOE; homebuilt and commercial DNP spectrometers; and glassing vs. solvent-free DNP. The final section provides information on; amyloid, membrane, and nanocrystalline proteins; metals, and surface enhanced DNP; pharmaceuticals; nanoparticles; and much more. Covers one of the biggest developing fields in magnetic resonance Relevant to students, academics, and industry within the physical, materials, medical, and biochemical sciences An excellent starting point and point-of-reference for researchers in the field Edited by a widely respected team with contributions from key researchers in the NMR community Part of the eMagRes Handbook Series Handbook of High Field Dynamic Nuclear Polarization is an ideal reference for all researchers and graduate students involved in this complex, interdisciplinary field. About eMagRes Handbooks eMagRes publishes a wide range of online articles on all aspects of magnetic resonance in physics, chemistry, biology and medicine. The existence of this large number of articles, written by experts in various fields, is enabling the publication of a series of eMagRes Handbooks on specific areas of NMR and MRI. The chapters of each of these handbooks will comprise a carefully chosen selection of eMagRes articles. In consultation with the eMagRes Editorial Board, the eMagRes Handbooks are coherently planned in advance by specially-selected Editors, and new articles are written to give appropriate complete coverage. The handbooks are intended to be of value and interest to research students, postdoctoral fellows and other researchers learning about the scientific area in question and undertaking relevant experiments, whether in academia or industry. Have the content of this Handbook and the complete content of eMagRes at your fingertips! Visit: www.wileyonlinelibrary.com/ref/eMagRes
Author : Jan Stehr
Publisher : Woodhead Publishing
ISBN 13 : 0081020546
Total Pages : 309 pages
Book Rating : 4.0/5 (81 download)
Download or read book Defects in Advanced Electronic Materials and Novel Low Dimensional Structures written by Jan Stehr and published by Woodhead Publishing. This book was released on 2018-06-29 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Defects in Advanced Electronic Materials and Novel Low Dimensional Structures provides a comprehensive review on the recent progress in solving defect issues and deliberate defect engineering in novel material systems. It begins with an overview of point defects in ZnO and group-III nitrides, including irradiation-induced defects, and then look at defects in one and two-dimensional materials, including carbon nanotubes and graphene. Next, it examines the ways that defects can expand the potential applications of semiconductors, such as energy upconversion and quantum processing. The book concludes with a look at the latest advances in theory. While defect physics is extensively reviewed for conventional bulk semiconductors, the same is far from being true for novel material systems, such as low-dimensional 1D and 0D nanostructures and 2D monolayers. This book fills that necessary gap. - Presents an in-depth overview of both conventional bulk semiconductors and low-dimensional, novel material systems, such as 1D structures and 2D monolayers - Addresses a range of defects in a variety of systems, providing a comparative approach - Includes sections on advances in theory that provide insights on where this body of research might lead
Author : Malcolm H. Levitt
Publisher : Wiley
ISBN 13 : 0470517123
Total Pages : 744 pages
Book Rating : 4.4/5 (75 download)
Download or read book Spin Dynamics written by Malcolm H. Levitt and published by Wiley. This book was released on 2008-07-31 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spin Dynamics: Basics of Nuclear Magnetic Resonance, Second Edition is a comprehensive and modern introduction which focuses on those essential principles and concepts needed for a thorough understanding of the subject, rather than the practical aspects. The quantum theory of nuclear magnets is presented within a strong physical framework, supported by figures. The book assumes only a basic knowledge of complex numbers and matrices, and provides the reader with numerous worked examples and exercises to encourage understanding. With the explicit aim of carefully developing the subject from the beginning, the text starts with coverage of quarks and nucleons and progresses through to a detailed explanation of several important NMR experiments, including NMR imaging, COSY, NOESY and TROSY. Completely revised and updated, the Second Edition features new material on the properties and distributions of isotopes, chemical shift anisotropy and quadrupolar interactions, Pake patterns, spin echoes, slice selection in NMR imaging, and a complete new chapter on the NMR spectroscopy of quadrupolar nuclei. New appendices have been included on Euler angles, and coherence selection by field gradients. As in the first edition, all material is heavily supported by graphics, much of which is new to this edition. Written for undergraduates and postgraduate students taking a first course in NMR spectroscopy and for those needing an up-to-date account of the subject, this multi-disciplinary book will appeal to chemical, physical, material, life, medical, earth and environmental scientists. The detailed physical insights will also make the book of interest for experienced spectroscopists and NMR researchers. • An accessible and carefully written introduction, designed to help students to fully understand this complex and dynamic subject • Takes a multi-disciplinary approach, focusing on basic principles and concepts rather than the more practical aspects • Presents a strong pedagogical approach throughout, with emphasis placed on individual spins to aid understanding • Includes numerous worked examples, problems, further reading and additional notes Praise from the reviews of the First Edition: "This is an excellent book... that many teachers of NMR spectroscopy will cherish... It deserves to be a ‘classic’ among NMR spectroscopy texts." NMR IN BIOMEDICINE "I strongly recommend this book to everyone…it is probably the best modern comprehensive description of the subject." ANGEWANDTE CHEMIE, INTERNATIONAL EDITION
Author : Anatoly L. Buchachenko
Publisher : John Wiley & Sons
ISBN 13 : 9780471188599
Total Pages : 200 pages
Book Rating : 4.1/5 (885 download)
Download or read book Chemical Generation and Reception of Radio-and Microwaves written by Anatoly L. Buchachenko and published by John Wiley & Sons. This book was released on 1996-12-17 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: With this first critical overview in a decade, two internationally recognized authorities on spin chemistry make an important contribution to this timely topic in chemical physics. Two novel features of chemical reactions are described: The generation o waves by reactions and the effects of the electromagnetic waves on some chemical reactions. In this sense, this treatise formulates chemical radiophysics as a new field of chemical physics. The authors detail physical and chemical reaction mechanisms, the selection of nuclei by spin orientation and magnetic moment, (non)magnetic isotope separation and accumulation in reaction methods. Coverage features new insights into chemical dynamics and reaction mechanisms. Chemical radiophysics offers new radiospectroscopy techniques of exquisite sensitivity. One brief chapter summarizes the physical basis by which electromagnetic fields could affect reactions of biological significance. Chemical Generation and Reception of Radio- and Microwaves is an essential reference for chemical physicists, physical organic chemists, materials scientists, and radio- and biophysicists.
