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Author: Ûri Nikolaevič Molin
Publisher:
ISBN: 9789630529488
Category :
Languages : en
Pages : 419
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Book Description
Author: Ûri Nikolaevič Molin
Publisher:
ISBN: 9789630529488
Category :
Languages : en
Pages : 419
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Book Description
Author: Jurij Nikolaevič Molin
Publisher:
ISBN: 9780444416995
Category :
Languages : en
Pages : 419
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Book Description
Author: I︠U︡riĭ Nikolaevich Molin
Publisher: Elsevier Publishing Company
ISBN:
Category : Free radical reactions
Languages : en
Pages : 428
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Book Description
Author: YN Molin (ed)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Kev M. Salikhov
Publisher: Springer Science & Business Media
ISBN: 3709165695
Category : Science
Languages : en
Pages : 155
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Book Description
In the last two decades it was demonstrated that, in addition to masses and charges, magnetic moments of nuclei are able to influence remarkably chemical reactions. This book presents the physical background (both theoretical and experimental) of the magnetic isotope effects in radical reactions in solutions. Special attention has been paid to the quantitative interpretation of the available experimental data. This book will be useful for physicists, chemists and biologists employing the isotope effect in their investigations as well as for those involved in isotope separation and isotope enrichment projects. Additionally, the magnetic isotope effect appears to be important in geochemistry and cosmochemistry. The book can be recommended for postgraduates and senior undergraduate students.
Author: Yasumasa John I'Haya
Publisher:
ISBN:
Category : Magnetic resonance
Languages : en
Pages : 462
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Book Description
Author: Hisaharu Hayashi
Publisher: World Scientific Publishing Company
ISBN: 9814365580
Category : Science
Languages : en
Pages : 267
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Book Description
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.
Author: C. Richard
Publisher: Springer Science & Business Media
ISBN: 3642657931
Category : Science
Languages : en
Pages : 126
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Book Description
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.
Author: A L Buchachenko
Publisher: Elsevier
ISBN: 0443298203
Category : Science
Languages : en
Pages : 124
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Book Description
Magnetic effects across biochemistry, molecular biology and environmental chemistry: Genes, brain and cancer under magnetic control provides an overview of the influence of magnetism upon molecular and biochemical processes and its impact on disease, health and organisms. This book provides an understanding of key concepts behind magnetic fields before exploring their biological significance. It elucidates when and why magnetic effects arise, how they function, and how they can be utilized. Molecular mechanisms underlying magnetic effects and the impact of magnetism on genes are explored. Additionally, magnetic control in treatment of diseases, including cancer, heart disease, and neurological disease is investigated. This book explores a rapidly developing and intriguing field of science, providing a basis for future study in the field of magneto-biology, and is a useful reference for researchers across biochemistry, molecular biology, biophysics and related fields. • Explores the mechanisms of magnetic fields and magnetic isotope effects at a molecular and biochemical level • Identifies key background concepts and function of magnetic fields across biology and chemistry • Covers magnetic control in the context of genes, including key processes such as DNA synthesis, magnetically induced DNA damage, and magnetic control of DNA repair • Demonstrates a new, radical pair mechanism as a means to stimulate ATP synthesis in living organisms for prevention of diseases
Author: L.T. Muus
Publisher: Springer Science & Business Media
ISBN: 9401012652
Category : Science
Languages : en
Pages : 412
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Book Description
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).
