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Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Magnetic resonance
Nuclear magnetic resonance spectroscopy (NMR spectroscopy) is a research technique that uses the magnetic properties of atomic nuclei to determine physical and chemical properties of atoms or the molecules in which they are contained. Proton NMR (1H NMR) is a technique that applies NMR spectroscopy specifically to the hydrogen-1 nuclei within the molecules of a substance, in order to determine the structure of that substance's molecules. The use of 1H NMR for the assignment of absolute configuration of organic compounds is a well-established technique. Recent research describes the technique's application to mono-, bi- and trifunctional compounds. In addition, several new auxiliary reagents, mono- and biderivatization procedures, on-resin methodologies and more recently, the use of 13C NMR, have been introduced to the field. In The Assignment of the Absolute Configuration by NMR using Chiral Derivatizing Agents: A Practical Guide, eminent Professor of Organic Chemistry Ricardo Riguera organizes this cutting-edge NMR research. Professor Riguera offers a short and usable guide that introduces the reader to the research with a plethora of details and examples. The book briefly explains the theoretical aspects necessary for understanding the methodology, dedicating most of its space to covering the practical aspects of the assignment, with examples and spectra taken from the authors' own experiments. Upper-level undergraduates, graduate students, and chemical researchers will find this guide useful for their studies and practice.
Nuclear Magnetic Resonance (NMR) has been a fundamental player in the studies of superconducting materials for many decades. This local probe technique allows for the study of the static electronic properties as well as of the low energy excitations of the electrons in the normal and the superconducting state. On that account it has also been widely applied to Fe-based superconductors from the very beginning of their discovery in February 2008. This dissertation comprises some of these very first NMR results, reflecting the unconventional nature of superconductivity and its strong link to magnetism in the investigated compounds LaO1-xFxFeAs and LiFeAs.
This book discusses many advances in optical physic, and is aimed at advanced undergraduates taking courses in atomic physics, or graduate students in the fields of lasers, astrophysics, and physical chemistry. The book is intended mainly for experimentalists, and the interaction of electromagnetic radiation with free atoms is introduced using classical or semi-classical calculations wherever possible. Topics discussed include the spontaneous emission of radiation, stimulated transitions and the properties of gas and turnable dye lasers, and the physics and applications of resonance fluorescence, optical double resonance, optical pumping, and atomic beam magnetic resonance experiments.
The beautiful colors of many inorganic compounds, including
minerals and gemstones, as well as the mysterious cold light of
luminescence emitted by these materials, have attracted the
inquisitiveness of natural philosophers for centuries. The
scientific study of such phenomena - the optical spectroscopy of
solids - has paid rich dividends in technological advances such as
lasers and other optronic devices. This is a book on the art of
optical spectroscopy of solids, establishing a theoretical and
experimental framework for the subject, which is well illustrated
with relevant spectra and experimental data.
The new edition of this established workbook consists of worked examples and set problems that cover one- and two-dimensional NMR techniques applied to organic and inorganic systems. Most of the problems are genuine research examples, and this new edition contains eight pages of problems drawn from very recent research work. This second edition is fully compatible with the second edition of the highly successful Modern NMR Spectroscopy: a guide for chemists, and the two books are thoroughly cross referenced throughout.
This dictionary is the first to provide a comprehensive explanation of the bewildering array of acronyms and technical terms which have crept into the NMR literature in recent years. Aimed at chemists and biochemists who have only an elementary knowledge of NMR, it provides a clear description of the concepts and basic principles involved, including developments in two-dimensional NMR methods in liquids. Mathematical descriptions are used where appropriate, however the level of mathematical competence required is low, and the more complex aspects are fully explained in the text. Each term is explained in full, extensive cross-references are included, and suggestions for further reading are included. The new and revised paperback edition of this well-received dictionary includes many new, up-to-date entries - for example, on three- and four-dimensional NMR.
Available in paperback for the first time, this book describes the main methods of one- and two-dimensional high-resolution NMR spectroscopy in liquids within the quantum-mechanical formalism of the density matrix. In view of the increasing importance of NMR in chemistry and biochemistry, it is particularly addressed to those scientists who do not have a working knowledge of quantum calculations. From reviews of the hardback edition: `The book fills a gap in the market...' Magnetic Resonance in Chemistry 'Goldman's book is important and timely, written in a thorough, careful manner. It treats a selected number of fundamental two-dimensional NMR experiments at a level appropriate for a general graduate course in two-dimensional NMR spectroscopy. Physics Today
Nuclear Magnetic Resonance is a powerful tool, especially for the identification of 1 13 hitherto unknown organic compounds. H- and C-NMR spectroscopy is known and applied by virtually every synthetically working Organic Chemist. Con- quently, the factors governing the differences in chemical shift values, based on chemical environment, bonding, temperature, solvent, pH, etc. , are well understood, and specialty methods developed for almost every conceivable structural challenge. Proton and carbon NMR spectroscopy is part of most bachelors degree courses, with advanced methods integrated into masters degree and other graduate courses. In view of this universal knowledge about proton and carbon NMR spectr- copy within the chemical community, it is remarkable that heteronuclear NMR is still looked upon as something of a curiosity. Admittedly, most organic compounds contain only nitrogen, oxygen, and sulfur atoms, as well as the obligatory hydrogen and carbon atoms, elements that have an unfavourable isotope distribution when it comes to NMR spectroscopy. Each of these three elements has a dominant isotope: 14 16 32 16 32 N (99. 63% natural abundance), O (99. 76%), and S (95. 02%), with O, S, and 34 14 S (4. 21%) NMR silent. N has a nuclear moment I = 1 and a sizeable quadrupolar moment that makes the NMR signals usually very broad and dif cult to analyse.
Muons, radioactive particles produced in accelerators, have emerged as an important tool to study problems in condensed matter physics and chemistry. Beams of muons with all their spins polarized can be used to investigate a variety of static and dynamic effects and hence to deduce properties concerning magnetism, superconductivity, molecular or chemical dynamics and a large number of other phenomena. The technique was originally the preserve of a few specialists located in particle physics laboratories. Today it is used by scientists from a very wide range of scientific backgrounds and interests. This modern, pedagogic introduction to muon spectroscopy is written with the beginner in the field in mind, but also aims to serve as a reference for more experienced researchers. The key principles are illustrated by numerous practical examples of the application of the technique to different areas of science and there are many worked examples and problems provided to test understanding. The book vividly demonstrates the power of the technique to extract important information in many different scientific contexts, all stemming, ultimately, from the exquisite magnetic sensitivity of the implanted muon spin.
In-cell NMR spectroscopy is a relatively new field. Despite its short history, recent in-cell NMR-related publications in major journals indicate that this method is receiving significant general attention. This book provides the first informative work specifically focused on in-cell NMR. It details the historical background of in-cell NMR, host cells for in-cell NMR studies, methods for in-cell biological techniques and NMR spectroscopy, applications, and future perspectives. Researchers in biochemistry, biophysics, molecular biology, cell biology, structural biology as well as NMR analysts interested in biological applications will all find this book valuable reading.
Muons, radioactive particles produced in accelerators, have emerged as an important tool to study problems in condensed matter physics and chemistry. Beams of muons with all their spins polarized can be used to investigate a variety of static and dynamic effects and hence to deduce properties concerning magnetism, superconductivity, molecular or chemical dynamics and a large number of other phenomena. The technique was originally the preserve of a few specialists located in particle physics laboratories. Today it is used by scientists from a very wide range of scientific backgrounds and interests. This modern, pedagogic introduction to muon spectroscopy is written with the beginner in the field in mind, but also aims to serve as a reference for more experienced researchers. The key principles are illustrated by numerous practical examples of the application of the technique to different areas of science and there are many worked examples and problems provided to test understanding. The book vividly demonstrates the power of the technique to extract important information in many different scientific contexts, all stemming, ultimately, from the exquisite magnetic sensitivity of the implanted muon spin.
Characterisation Methods in Inorganic Chemistry provides a fresh alternative to the existing theoretical and descriptive inorganic chemistry texts by adopting a techniques-based approach and providing problem-solving opportunities to show how analytical methods are used to help us characterise inorganic compounds. The text covers the full range of analytical techniques employed by inorganic chemists, emphasizing those in most frequent use: NMR, diffraction, UV-Vis spectroscopy, and IR. The additional coverage on other techniques allows readers to study these less widely used methods when relevant to their specific course material. Each chapter follows a clear, structured format, which begins with a brief introduction to the technique and basic theory behind it before moving on to data collection and analysis, typical data and interpretation, with numerous worked examples, self- tests and problems. Online Resource Centre For registered adopters of the book: - Figures and tables of data from the book, ready to download - Additional problems and exercises For students: - Answers to self-test questions - Additional problems and data sets
Magnetic resonance has long demonstrated its tremendous versatility in many areas of science. Nowhere has this been more apparent than in food science, where problems encountered in a variety of situations can be resolved using one of the many techniques available to the magnetic resonance practitioner. From structural studies and investigations of molecules in frozen sugar solutions, to identifying the origins of salmon and detecting free radicals in irradiated food, magnetic resonance techniques can provide useful information. Divided into four sections entitled A View Towards the Next Century; Food Safety and Health; Structure and Dynamics; and Analysis, Monitoring and Authentication, the book consists of top quality contributions from renowned international scientists, and looks at what magnetic resonance techniques can offer both now and in the future. Offering state-of-the-art material, Magnetic Resonance in Food Science: A View to the Future is essential reading for both academics and industrialists in food science.
This much-anticipated new edition of Jolivet's work builds on the edition published in 2000. It is entirely updated, restructured and increased in content. The book focuses on the formation by techniques of green chemistry of oxide nanoparticles having a technological interest. Jolivet introduces the most recent concepts and modelings such as dynamics of particle growth, ordered aggregation, ionic and electronic interfacial transfers. A general view of the metal hydroxides, oxy-hydroxides and oxides through the periodic table is given, highlighting the influence of the synthesis conditions on crystalline structure, size and morphology of nanoparticles. The formation of aluminum, iron, titanium, manganese and zirconium oxides are specifically studied. These nanomaterials have a special interest in many technological fields such as ceramic powders, catalysis and photocatalysis, colored pigments, polymers, cosmetics and also in some biological or environmental phenomena.
Magnetic resonance (MR) makes use of tiny radio signals emitted by the nucleus of the atom. There are two important applications -- chemistry, where MR allows us to visualise the architecture of molecules, and medicine, where it provides a clear picture of human anatomy without the need for invasive surgery. This is the first unified treatment of Nuclear Magnetic Resonance (NMR) in chemistry and Magnetic Resonance Imaging (MRI) in medicine, written for a broad non-specialist readership by one of the world's foremost NMR spectroscopists.
Since the introduction of FT-NMR spectroscopy around five decades ago, NMR has achieved significant advances in hardware and methodologies, accompanied with the enhancement of spectral resolution and signal sensitivity. Rapid developments in the polymers field mean that accurate and quantitative characterization of polymer structures and dynamics is the keystone for precisely regulating and controlling the physical and chemical properties of the polymer. This book specifically focuses on NMR investigation of complex polymers for the polymer community as well as NMR spectroscopists, and will push the development of both fields. It covers the latest advances, for example high field DNP and ultrafast MAS methodologies, and show how these novel NMR methods characterize various synthetic and natural polymers.
This text is aimed at people who have some familiarity with high-resolution NMR and who wish to deepen their understanding of how NMR experiments actually 'work'. This revised and updated edition takes the same approach as the highly-acclaimed first edition. The text concentrates on the description of commonly-used experiments and explains in detail the theory behind how such experiments work. The quantum mechanical tools needed to analyse pulse sequences are introduced set by step, but the approach is relatively informal with the emphasis on obtaining a good understanding of how the experiments actually work. The use of two-colour printing and a new larger format improves the readability of the text. In addition, a number of new topics have been introduced: How product operators can be extended to describe experiments in AX2 and AX3 spin systems, thus making it possible to discuss the important APT, INEPT and DEPT experiments often used in carbon-13 NMR.Spin system analysis i.e. how shifts and couplings can be extracted from strongly-coupled (second-order) spectra.How the presence of chemically equivalent spins leads to spectral features which are somewhat unusual and possibly misleading, even at high magnetic fields.A discussion of chemical exchange effects has been introduced in order to help with the explanation of transverse relaxation.The double-quantum spectroscopy of a three-spin system is now considered in more detail. Reviews of the First Edition "For anyone wishing to know what really goes on in their NMR experiments, I would highly recommend this book" - "Chemistry World" ..".I warmly recommend for budding NMR spectroscopists, or others who wish to deepen their understanding of elementary NMR theory or theoretical tools" - "Magnetic Resonance in Chemistry"
This highly successful book, details the underlying principles behind the use of magnetic field gradients to image molecular distribution and molecular motion, providing many examples by way of illustration. Following excellent reviews of the hardback edition the book is now available in paperback.
Nuclear magnetic resonsance (NMR) spectrocopy is the most powerful research tool used in chemistry today, but many chemists have yet to realize its true potential. Recent advances in NMR have led to a formidable array of new techniques - and acronyms - which leaves even the professional spectroscopist bewildered. How, then, can chemists decide which approach will solve their particular structural or mechanistic problem? This book provides a non-mathematical, descriptive approach to modern NMR spectroscopy, taking examples from organic, inorganic, and biological chemistry. It also contains much practical advice about the acquisition and use of spectra. Starting from the simple 'one pulse' sequence, the text employs a 'building block' approach to lead naturally to multiple pulse and two-dimensional NMR. Spectra of readily available compounds illustrate each technique. One- and two- dimensional methods are integrated in three chapters which show how to solve problems by making connections between spins through bonds, through space, or through exchange. There are also chapters on spectrum editing and solids. The final chapter contains a case history which attempts to weave the many strands of the text into a coherent strategy. This second edition reflects the progress made by NMR in the past few years; there is a greater emphasis on inorganic nuclei; some two-colour spectra are used; the treatment of heteronuclear experiments has moved from direct to 'inverse' detection; many new examples and spectra have been included; and the literature to early 1992 has been covered. An accompanying text, Modern NMR spectroscopy: A workbook of chemical problems, by Jeremy Sanders, Edwin Constable, and Brian Hunter, is available from OUP. Using a combination of worked examples and set problems, this workbook provides a practical guide to the accurate interpretation of NMR spectra, which will be of value to students and professional scientists alike.
Nuclear Magnetic Resonance (NMR) spectroscopy is one of the most powerful analytical techniques available in modern science, and is widely used by chemists, biochemists, physicists and physicians. Nuclear Magnetic Resonance: Concepts and Methods examines the physical and mathematical features of liquid state NMR spectroscopy which underpin the numerous important applications of the technique, before exploring these applications in depth. Detailed examples and figures presented throughout the text enable the student to understand conceptually challenging ideas. Advanced mathematical and quantum mechanical developments are presented in such a way that they can be skipped on a first reading, enabling the reader to concentrate on the key concepts underlying such important topics as Fourier Transform NMR spectroscopy, product-operator formalism, signal processing techniques and spin relaxation theory. In the concluding chapter, a survey of the major multipulse and multidimensional NMR techniques is given, including selective excitation, correlation spectroscopies and NMR imaging. Nuclear Magnetic Resonance: Concepts and Methods will be invaluable to graduate and undergraduate students, giving a clear understanding of the physical and mathematical background which underlies the many applications of this powerful and sophisticated technique. It will also be of great interest to more experienced researchers in the many fields where NMR spectroscopy is now routinely used.
Field-cycling NMR relaxometry is evolving into a methodology of widespread interest with recent technological developments resulting in powerful and versatile commercial instruments. Polymers, liquid crystals, biomaterials, porous media, tissue, cement and many other materials of practical importance can be studied using this technique. This book summarises the expertise of leading scientists in the area and the editor is well placed, after four decades of working in this field, to ensure a broad ranging and high quality title. Starting with an overview of the basic principles of the technique and the scope of its use, the content then develops to look at theory, instrumentation, practical limitations and applications in different systems. Newcomers to the field will find this book invaluable for successful use of the technique. Researchers already in academic and industrial settings, interested in molecular dynamics and magnetic resonance, will discover an important addition to the literature.
Energy storage material is a hot topic in material science and chemistry. During the past decade, nuclear magnetic resonance (NMR) has emerged as a powerful tool to aid understanding of the working and failing mechanisms of energy storage materials and devices. The aim of this book is to introduce the use of NMR methods for investigating electrochemical storage materials and devices. Presenting a comprehensive overview of NMR spectroscopy and magnetic resonance imaging (MRI) on energy storage materials, the book will include the theory of paramagnetic interactions and relevant calculation methods, a number of specific NMR approaches developed in the past decade for battery materials (e.g. in situ, ex situ NMR, MRI, DNP, 2D NMR, NMR dynamics) and case studies on a variety of related materials. Helping both NMR spectroscopists entering the field of batteries and battery specialists seeking diagnostic methods for material and device degradation, it is written by leading authorities from international research groups in this field.
"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
Nuclear magnetic resonance (NMR) spectroscopy is one of the most powerful and versatile techniques now available for the study of molecular structure and reaction mechanisms. This classic account of modern NMR spctroscopy was heralded on its publication in 1987 as `the lasting text of its age' Nature. Now available in paperback, it provides a thoroughly comprehensive review of modern NMR techniques and the underlying principles. The material is presented in an intuitive manner within a rigourous mathematical framework, and is extensively illustrated throughout. It is, without question, an essential purchase for the self-respecting NMR spectroscopist.
The renowned Oxford Chemistry Primer series, which provides focused introductions to a range of important topics in chemistry, has been refreshed and updated to suit the needs of today's students, lecturers, and postgraduate researchers. The rigorous, yet accessible, treatment of each subject area is ideal for those wanting a primer in a given topic to prepare them for more advanced study or research. Moreover, cutting-edge examples and applications throughout the texts show the relevance of the chemistry being described to current research and industry. The learning features provided, including questions at the end of every chapter and online multiple-choice questions, encourage active learning and promote understanding. Furthermore, frequent diagrams, margin notes, further reading, and glossary definitions all help to enhance a student's understanding of these essential areas of chemistry. NMR: The Toolkit describes succinctly the range of NMR techniques commonly used in modern research to probe the structures and properties of molecules in liquids. Emphasis is placed throughout on how these experiments actually work, giving a unique perspective on this powerful experimental tool. Online Resource Centre The Online Resource Centre to accompany NMR The Toolkit: How Pulse Sequences Work features: For registered adopters of the text: * Figures from the book available to download For students: * Full worked solutions to the end-of-chapter exercises |
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