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Triplet State Radiationless Transitions
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Download or read book The Triplet State written by A. B. Zahlan and published by Cambridge University Press. This book was released on 1967-11-02 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 1967 volume brought together knowledge concerning the triplet state and defined the problems in need of solution.
Book Synopsis Triplet State Radiationless Transitions by : Harry Alan Frank
Download or read book Triplet State Radiationless Transitions written by Harry Alan Frank and published by . This book was released on 1978 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Triplet State written by A. B. Zahlan and published by Cambridge University Press. This book was released on 2010-01-14 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in 1967, this volume contains the proceedings of the first international conference held to discuss the triplet state and the various physical phenomena known to be associated with molecules having orbital electrons with parallel spins, and techniques for their investigation. A number of results and ideas in the field of magnetic resonance and phosphorescence of the triplet state are reported for the first time. The topics covered are spin-orbit coupling, intersystem crossing, magnetic resonance, magnetic interactions, photochemistry, radiationless transitions, triplet excitons, delayed fluorescence, phosphorescence and the triplet state related to biology. This volume brought together knowledge concerning the triplet state and defined the problems in need of solution. The review nature of the plenary papers and the good coverage of the volume as a whole made it a basic reference book on the subject, which is still of relevance today.
Book Synopsis Radiationless Transitions by : Sheng Lin
Download or read book Radiationless Transitions written by Sheng Lin and published by Elsevier. This book was released on 2012-12-02 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiationless Transitions is a critical discussion of research studies on the theory and experiments in radiationless transitions. This book is composed of nine chapters, and begins with discussions on the theory and experiment of photophysical processes of single vibronic levels and/or single rovibronic levels. The subsequent chapters deal with the spectroscopic investigations of intramolecular vibrational relaxation; the dynamics of molecular excitation by light; and the photophysical processes of small molecules in condensed phase. The discussions then shift to the high pressure effects on molecular luminescence and the internal conversion involving localized excitations, presenting one qualitative and one quantitative example, as well as the intersystem crossing with localized excitations. A chapter explores the energy transfer processes that occur after a molecule in solution is excited by light, with an emphasis on solid solutions in which the large amplitude molecular motion is largely quenched. This chapter also looks into the liquid solutions in which the molecules can translate and rotate under the influence of fluctuating forces from the liquid. The concluding chapter focuses on ultrafast processes. Researchers in the fields of physics, chemistry, and biology will benefit from this book.
Book Synopsis A Practical Guide to Geometric Regulation for Distributed Parameter Systems by : Eugenio Aulisa
Download or read book A Practical Guide to Geometric Regulation for Distributed Parameter Systems written by Eugenio Aulisa and published by CRC Press. This book was released on 2015-06-18 with total page 1266 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Practical Guide to Geometric Regulation for Distributed Parameter Systems provides an introduction to geometric control design methodologies for asymptotic tracking and disturbance rejection of infinite-dimensional systems. The book also introduces several new control algorithms inspired by geometric invariance and asymptotic attraction for a wide range of dynamical control systems. The first part of the book is devoted to regulation of linear systems, beginning with the mathematical setup, general theory, and solution strategy for regulation problems with bounded input and output operators. The book then considers the more interesting case of unbounded control and sensing. Mathematically, this case is more complicated and general theorems in this area have become available only recently. The authors also provide a collection of interesting linear regulation examples from physics and engineering. The second part focuses on regulation for nonlinear systems. It begins with a discussion of theoretical results, characterizing solvability of nonlinear regulator problems with bounded input and output operators. The book progresses to problems for which the geometric theory based on center manifolds does not directly apply. The authors show how the idea of attractive invariance can be used to solve a series of increasingly complex regulation problems. The book concludes with the solutions of challenging nonlinear regulation examples from physics and engineering.
Book Synopsis Radiationless Energy Conversion of Photoexcited Triplet State of Organic Molecules. Progress Report for May 1, 1975--April 30, 1977 by :
Download or read book Radiationless Energy Conversion of Photoexcited Triplet State of Organic Molecules. Progress Report for May 1, 1975--April 30, 1977 written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: During the initial two years of our ERDA-supported research program we have attempted to define and understand the mechanisms active in the intersystem crossing processes of large polycyclic hydrocarbons and chlorophyll. To study these excited states energy conversion processes we have utilized optical detection of magnetic resonance spectroscopy, as developed in our laboratory, which is uniquely applicable to these molecular systems. Our results on polycyclic hydrocarbons have shown that an understanding of triplet state radiationless transitions in planar aromatic molecules can be obtained from a consideration of the symmetry-selected spin-orbit interactions and positions of available mixing states; this work provides a predictive model of triplet state nonradiative energy conversion with general applicability to aromatic systems. This treatment has been applied successfully to chlorophyll triplet state dynamics and provides a basis for the utilization of the triplet state of chlorophyll as a (nondestructive) spin probe into the makeup of more complex chlorophyll-containing systems in vitro and in vivo.
Book Synopsis Modern Molecular Photochemistry by : Nicholas J. Turro
Download or read book Modern Molecular Photochemistry written by Nicholas J. Turro and published by University Science Books. This book was released on 1991 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last two decades the photochemistry of organic molecules has grown into an important and pervasive branch of organic chemistry. In Modern Molecular Photochemistry, the author brings students up to date with the advances in this field - the development of the theory of photoreactions, the utilization of photoreactions in synthetic sequences, and the advancement of powerful laser techniques to study the mechanisms of photoreactions.
Book Synopsis Frontier Orbitals and Reaction Paths by : Kenichi Fukui
Download or read book Frontier Orbitals and Reaction Paths written by Kenichi Fukui and published by World Scientific. This book was released on 1997 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of selected papers on the Frontier Orbital Theory, with introductory notes. It provides the basic concept and formulation of the theory, and the physical and chemical significance of the frontier orbital interactions in chemistry, together with many practical applications. The formulation of the Intrinsic Reaction Coordinate and applications to some simple systems are also presented. The aim of this volume is to show by what forces chemical reactions are driven and to demonstrate how the regio- and stereo-selectivities are determined in chemical reactions. Students and senior investigators will gain insight into the nature of chemical reactions and find out how quantum chemical calculations are connected with chemical intuition.
Book Synopsis Electronic Structure and Properties of Transition Metal Compounds by : Isaac B. Bersuker
Download or read book Electronic Structure and Properties of Transition Metal Compounds written by Isaac B. Bersuker and published by John Wiley & Sons. This book was released on 2010-12-01 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: With more than 40% new and revised materials, this second edition offers researchers and students in the field a comprehensive understanding of fundamental molecular properties amidst cutting-edge applications. Including ~70 Example-Boxes and summary notes, questions, exercises, problem sets, and illustrations in each chapter, this publication is also suitable for use as a textbook for advanced undergraduate and graduate students. Novel material is introduced in description of multi-orbital chemical bonding, spectroscopic and magnetic properties, methods of electronic structure calculation, and quantum-classical modeling for organometallic and metallobiochemical systems. This is an excellent reference for chemists, researchers and teachers, and advanced undergraduate and graduate students in inorganic, coordination, and organometallic chemistry.
Book Synopsis Polymer Photodegradation by : J.F. Rabek
Download or read book Polymer Photodegradation written by J.F. Rabek and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 679 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last two decades, the production of polymers and plastics has been increasing rapidly. In spite of developing new polymers and polymeric materials, only 40~60 are used commercially on a large scale. It has been estimated that half of the annual production of polymers is employed outdoors. The photochemical instability of most polymers limits their outdoor application as they are photodegraded quickly over periods from months to a few years. To the despair of technologists and consumers alike, photodegradation and environmental ageing of polymers occur much faster than can be expected from knowledge collected in laboratories. In order to improve polymer photostability there has been a very big effort during the last 30 years to understand the mechanisms involved in photodegradation and environmental ageing. This book represents the author's attempt, based on his 25 years' experience in research on photodegradation and photo stabilization, to collect and generalize a number of available data on the photodegradation of polymers. The space limitation and the tremendous number of publications in the past two decades have made a detailed presentation of all important results and data difficult. The author apologizes to those whose work has not been quoted or widely presented in this book. Because many published results are very often contradictory, it has been difficult to present a fully critical review of collected knowledge, without antagonizing authors. For that reason, all available theories, mechanisms and different suggestions have been presented together, and only practice can evaluate which of them are valid.
Book Synopsis Fundamentals of Photochemistry by : K. K. Rohatgi-Mukherjee
Download or read book Fundamentals of Photochemistry written by K. K. Rohatgi-Mukherjee and published by New Age International. This book was released on 1978 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photochemistry and Photobiology of Nucleic Acids by : Shih Yi Wang
Download or read book Photochemistry and Photobiology of Nucleic Acids written by Shih Yi Wang and published by Elsevier. This book was released on 2012-12-02 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochemistry and Photobiology of Nucleic Acids: Volume II, Biology is a collection of papers that deals with the biological effects due to stable UV induced alterations in critical cellular macromolecules, including cell death, growth delay, mutagenesis, and carcinogenesis. The papers assume that DNA is the macromolecule most relevant to cell pathology, as well as to the photochemical and photobiological properties of RNA which are essential in cellular functions. One paper investigates the UV-induced cross-linkings of proteins with nucleic acids as a possible cause of biological effects other than just in terms of the damage done to nucleic acids. Other papers discuss the mechanisms of protection against, and in the repair of damage caused by UV photons and by ionizing radiation (also chemical mutagens) in many organisms from viruses to mammalian cells. The repair processes appear to play a role in monitoring and preserving the structural integrity of DNA during physiological processes such as replication and transcription. One paper notes that in experiments on human embryonic lung fibroblasts WI-38 at very high radiation doses, radiation products of Thy in acid-soluble form appear while products from the DNA (acid-precipitable fraction) disappear. The paper suggests that the excision process is therefore selective. The collection is suitable for biochemists, microbiologists, or academicians whose works involve genetics, cancer, and cellular research.
Book Synopsis Biophysical Labeling Methods in Molecular Biology by : Gertz I. Likhtenshtein
Download or read book Biophysical Labeling Methods in Molecular Biology written by Gertz I. Likhtenshtein and published by Cambridge University Press. This book was released on 1993-03-26 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 1993 volume covers all aspects of the field of physical labels - the theoretical bases, the experimental techniques - and shows how to interpret the resulting data.
Book Synopsis Chemical Photocatalysis by : Burkhard König
Download or read book Chemical Photocatalysis written by Burkhard König and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-04-06 with total page 531 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visible light is an abundant source of energy. While the conversion of light energy into electrical energy (photovoltaics) is highly developed and commercialized, the use of visible light in chemical synthesis is far less explored. Chemical photocatalysts that mimic principles of biological photosynthesis utilize visible light to drive endothermic or kinetically hindered reactions.
Book Synopsis Principles of Pulse Electron Paramagnetic Resonance by : Arthur Schweiger
Download or read book Principles of Pulse Electron Paramagnetic Resonance written by Arthur Schweiger and published by . This book was released on 2001 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pulse EPR (electron paramagnetic resonance) is one of the newest and most widely used techniques for examining the structure, function and dynamics of biological systems and synthetic materials. Until now, however, there has been no single text dedicated to this growing area of research. This text addresses the need for a comprehensive overview of Pulse EPR. The book covers the basic theory of pulse EPR, as well as a description and critical evaluation of the existing and emerging methods needed for selecting and conducting the proper experiment and analyzing the results. This is an indispensable reference for all scientists who need a thorough grounding in this increasingly popular field of spectroscopy.
Book Synopsis Chromatographic Analysis of the Environment, Third Edition by : Leo M.L. Nollet
Download or read book Chromatographic Analysis of the Environment, Third Edition written by Leo M.L. Nollet and published by CRC Press. This book was released on 2005-11-29 with total page 1290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chromatographic Analysis of the Environment, Third Edition is a detailed handbook on different chromatographic analysis techniques and chromatographic data for compounds found in air, water, soil, and sludge. Taking on a new perspective from previous editions, this third edition discusses the parameters of each environmental compartment in a consistent format that highlights preparation techniques, chromatographic separation methods, and detection methods. Most of the data are compiled in tables and figures to elucidate the text as needed. Separate chapters approach specific aspects of sampling methods especially designed for environmental purposes, quantification of environmental analytes in difficult matrices, and data handling. The second part of the book focuses on the analysis of hazardous chemicals in the environment, including volatile organic carbons (VOCs), polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and endocrine-disrupting chemicals (EDCs). In addition, the authors feature information on compounds such as phosphates, organic acids, halogenated VOCs, amines, and n-ntirosamines, isocyanates, phthalate esters, and humic substances. Presenting important theoretical and practical aspects from sample collection to laboratory analysis, Chromatographic Analysis of the Environment, Third Edition is a unique resource of chromatographic techniques, data, and references that are useful to all scientists involved in the analysis of environmental compounds.
Book Synopsis The Review of Physical Chemistry of Japan by :
Download or read book The Review of Physical Chemistry of Japan written by and published by . This book was released on 1926 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
