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Chemically Induced Dynamic Nuclear And Electron Polarizations Cidnp And Cidep
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Book Synopsis Chemically Induced Dynamic Nuclear and Electron Polarizations-CIDNP and CIDEP by : C. Richard
Download or read book Chemically Induced Dynamic Nuclear and Electron Polarizations-CIDNP and CIDEP written by C. Richard and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anomalous electron-spin state populations in the Electron Paramagnetic Re sonance (EPR) spectra of radicals formed during radio lysis experiments were observed in 1963 by FESSENDEN and SCHULER [170a]. This phenomenon did not receive much attention at the time. In 1967, BARGON, FISCHER, and JOHNSEN [5] and independently WARD and LAWLER [7,8] reported a similar phenomenon for Nuclear Magnetic Resonance (NMR) spectra taken during radical reactions: emission or enhanced absorption, or both. The earliest attempts to explain this new NMR phenomenon treated these effects in a way similar to that of Dynamic Nuclear Polarization (DNP) or the Overhauser effect. Although the polarization has a completely different origin, DNP gave its name to this effect: Chemically Induced Dynamic Nuclear Polariza tion (CIDNP). [The name Chemically Induced Dynamic Electron Polarization (CIDEP) was introduced later by analogy with CIDNP]. After the initial publica tions, all the new data demonstrated that the first theory could not be correct. In 1969, a new theory was proposed by CLOSS [18] and independently by KAPTEIN and OOSTERHOFF [23] and called the radical-pair theory. This mechanism was proposed to account for the observations of polarization in both NMR and EPR. The radical-pair theory is based on weak interactions in a pair of radicals: the strength of interaction between the electronic states of the radicals depends in particular on the nuclear-spin states.
Book Synopsis Chemically Induced Dynamic Nuclear and Electron Polarizations-Cidnp and Cidep by : C. Richard
Download or read book Chemically Induced Dynamic Nuclear and Electron Polarizations-Cidnp and Cidep written by C. Richard and published by . This book was released on 1974-06-07 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemically Induced Dynamic Nuclear Polarization by :
Download or read book Chemically Induced Dynamic Nuclear Polarization written by and published by . This book was released on 1973* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemically Induced Magnetic Polarization by : L.T. Muus
Download or read book Chemically Induced Magnetic Polarization written by L.T. Muus and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic resonance has constantly been able to surprise with its ability to exhibit new phenomena. Just when it appears to be entering a quiet middle age it bursts into activity with some new manifestation of its versatility. This happened a few years ago, when observations on anomalous intensities were looked at more closely, and the pursuit of explanations and further evidence laid the foundations of the subjects treated in this volume. In organizing the NATO Advanced Study Institute we attempted to bring together a number, but by no means all, of those who had contributed significantly to the subject, and to obtain from them a comprehensive and detailed exposition of the subject. We were particularly anxious to avoid a set of lectures that dealt solely with the theory of the subject, because much of the interest in chemically induced magnetic polarization is due to its usefulness in applications to chemical problems: it is a real chemical tech nique, not just an amusing diversion for theoreticians. We set about organizing the course with the idea of making it useful to people who wanted to use the technique (for, after all, in the case of nuclear polarization, CIDNP, the technique can be used in any laboratory with minor modification of standard equipment).
Book Synopsis Electron Spin Resonance by : P B Ayscough
Download or read book Electron Spin Resonance written by P B Ayscough and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry. For over 80 years the Royal Society of Chemistry and its predecessor, the Chemical Society, have been publishing reports charting developments in chemistry, which originally took the form of Annual Reports. However, by 1967 the whole spectrum of chemistry could no longer be contained within one volume and the series Specialist Periodical Reports was born. The Annual Reports themselves still existed but were divided into two, and subsequently three, volumes covering Inorganic, Organic and Physical Chemistry. For more general coverage of the highlights in chemistry they remain a 'must'. Since that time the SPR series has altered according to the fluctuating degree of activity in various fields of chemistry. Some titles have remained unchanged, while others have altered their emphasis along with their titles; some have been combined under a new name whereas others have had to be discontinued. The current list of Specialist Periodical Reports can be seen on the inside flap of this volume.
Book Synopsis Encyclopedia of Chemical Physics and Physical Chemistry by : John H. Moore
Download or read book Encyclopedia of Chemical Physics and Physical Chemistry written by John H. Moore and published by CRC Press. This book was released on 2023-07-03 with total page 1161 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Physical Chemistry and Chemical Physics introduces possibly unfamiliar areas, explains important experimental and computational techniques, and describes modern endeavors. The encyclopedia quickly provides the basics, defines the scope of each subdiscipline, and indicates where to go for a more complete and detailed explanation. Particular attention has been paid to symbols and abbreviations to make this a user-friendly encyclopedia. Care has been taken to ensure that the reading level is suitable for the trained chemist or physicist. The encyclopedia is divided in three major sections: FUNDAMENTALS: the mechanics of atoms and molecules and their interactions, the macroscopic and statistical description of systems at equilibrium, and the basic ways of treating reacting systems. The contributions in this section assume a somewhat less sophisticated audience than the two subsequent sections. At least a portion of each article inevitably covers material that might also be found in a modern, undergraduate physical chemistry text. METHODS: the instrumentation and fundamental theory employed in the major spectroscopic techniques, the experimental means for characterizing materials, the instrumentation and basic theory employed in the study of chemical kinetics, and the computational techniques used to predict the static and dynamic properties of materials. APPLICATIONS: specific topics of current interest and intensive research. For the practicing physicist or chemist, this encyclopedia is the place to start when confronted with a new problem or when the techniques of an unfamiliar area might be exploited. For a graduate student in chemistry or physics, the encyclopedia gives a synopsis of the basics and an overview of the range of activities in which physical principles are applied to chemical problems. It will lead any of these groups to the salient points of a new field as rapidly as possible and gives pointers as to where to read about the topic in more detail.
Book Synopsis Electron Spin Resonance Vol 5 by : P. B. Ayscough
Download or read book Electron Spin Resonance Vol 5 written by P. B. Ayscough and published by Royal Society of Chemistry. This book was released on 1979 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: This product is not available separately, it is only sold as part of a set. There are 750 products in the set and these are all sold as one entity.
Book Synopsis In situ NMR Methods in Catalysis by : Joachim Bargon
Download or read book In situ NMR Methods in Catalysis written by Joachim Bargon and published by Springer. This book was released on 2007-04-18 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: This will be a must-have work for scientists and practitioners in any field related to modern chemical research. It will also be highly useful for many workers in industry who are required to keep up-to-date with the latest news in chemistry and applied chemistry. So much is covered here in critical review, from the present position of developing research to future trends, that this book will still be an indispensable text ten years from now.
Book Synopsis Introduction to Dynamic Spin Chemistry by : Hisaharu Hayashi
Download or read book Introduction to Dynamic Spin Chemistry written by Hisaharu Hayashi and published by World Scientific Publishing Company. This book was released on 2004-03-08 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a detailed account of one of the most mysterious problems in science — whether ordinary magnetic fields can exert an appreciable influence on chemical and biochemical reactions. The first aim of the book is to introduce this research, through theoretical and dynamic spin chemistry, to graduate students and researchers, by means of detailed theoretical and experimental descriptions. The second aim is to review typical recent investigations, which will stimulate new interest and applications in the 21st century. Because dynamic spin chemistry is based on established science, it is expected to provide a guide for all situations in which radicals, radical pairs, and higher spin species occur, including the effects of environmental electromagnetic fields on the human body.
Book Synopsis Multifrequency Electron Paramagnetic Resonance by : Sushil K. Misra
Download or read book Multifrequency Electron Paramagnetic Resonance written by Sushil K. Misra and published by John Wiley & Sons. This book was released on 2011-03-31 with total page 990 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filling the gap for a systematic, authoritative, and up-to-date review of this cutting-edge technique, this book covers both low and high frequency EPR, emphasizing the importance of adopting the multifrequency approach to study paramagnetic systems in full detail by using the EPR method. In so doing, it discusses not only the underlying theory and applications, but also all recent advances -- with a final section devoted to future perspectives.
Book Synopsis The Biophysics of Photosynthesis by : John Golbeck
Download or read book The Biophysics of Photosynthesis written by John Golbeck and published by Springer. This book was released on 2014-08-07 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume is intended as an introduction to the physical principles governing the main processes that occur in photosynthesis, with emphasis on the light reactions and electron transport chain. A unique feature of the photosynthetic apparatus is the fact that the molecular structures are known in detail for essentially all of its major components. The availability of this data has allowed their functions to be probed at a very fundamental level to discover the design principles that have guided evolution. Other volumes on photosynthesis have tended to focus on single components or on a specific set of biophysical techniques, and the authors’ goal is to provide new researchers with an introduction to the overall field of photosynthesis. The book is divided into sections, each dealing with one of the main physical processes in photosynthetic energy conversion. Each section has several chapters each describing the role that a basic physical property, such as charge or spin, plays in governing the process being discussed. The chapters proceed in an orderly fashion from a quantum mechanical description of early processes on an ultrafast timescale to a classical treatment of electron transfer and catalysis on a biochemical timescale culminating in evolutionary principles on a geological timescale.
Book Synopsis Encyclopedia of Chemical Physics and Physical Chemistry: Fundamentals by : John H. Moore
Download or read book Encyclopedia of Chemical Physics and Physical Chemistry: Fundamentals written by John H. Moore and published by Taylor & Francis. This book was released on 2001 with total page 1178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemically Induced Magnetic Polarization by :
Download or read book Chemically Induced Magnetic Polarization written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron Spin Interactions in Chemistry and Biology by : Gertz Likhtenshtein
Download or read book Electron Spin Interactions in Chemistry and Biology written by Gertz Likhtenshtein and published by Springer. This book was released on 2016-07-25 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Acronyms and Abbreviations in Molecular Spectroscopy by : Detlef A.W. Wendisch
Download or read book Acronyms and Abbreviations in Molecular Spectroscopy written by Detlef A.W. Wendisch and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Highly recommended for all academic library chemistry collections; biochemistry and medical collections may also want to consider." (Choice) "Each entry is provided with a definition, a description of the effect, application, and literature citations."... the selection in this book is broad and useful." (J. of Am. Chem. Soc.) "The book is not just a collection of definitions of acronyms, each entry contains a concise and informative explanation of the origins of the technique or method to which it refers... this book is a must for progression of any budding spectroscopist." (Analyst)
Book Synopsis Electron Paramagnetic Resonance by : Damien M. Murphy
Download or read book Electron Paramagnetic Resonance written by Damien M. Murphy and published by Royal Society of Chemistry. This book was released on 2018-11-06 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron Paramagnetic Resonance (EPR) applications remain very significant in modern analytical science and this volume compiles critical coverage of developments in the recent literature by a handpicked group of researchers at the cutting-edge of the field. The topics covered in this volume describe contrasting types of EPR application, including light induced hyperpolarization and disordered proteins to spin labels and nanomaterials. Providing a snap shot of the area, this book is a useful addition to any library supporting this research.
Book Synopsis Dynamics During Spectroscopic Transitions by : Ernst Lippert
Download or read book Dynamics During Spectroscopic Transitions written by Ernst Lippert and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: "How does a photon get into an atom?" This question - fundamental to quantum mechanics - puzzled leading scientists such as Schrödinger and Heisenberg and is still asked by students. James D. Macomber's book was the first to provide a didactic and unified approach to the answer, which has now been updated by way of recent experimental results and modern theoretical interpretations written by leading scientists. It provides an understanding for similarities among the spectroscopic methods available and is stimulating to read, reflecting the excitement of scientific research.
