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Author: Walter Lovenberg
Publisher: Elsevier
ISBN: 0323154298
Category : Science
Languages : en
Pages : 360
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Book Description
Molecular Properties, Volume II is a collection of papers that deals with the physical and chemical properties of iron-sulfur proteins, with emphasis on the theory and application of physicochemical techniques related to metalloproteins. One paper describes the chemical properties of simple iron-sulfur proteins focusing on chloroplast, bacterial-type ferredoxins, and the nature of the active site in the ferredoxins. Another paper notes that rubredoxin sequences can offer phylogenetic, evolutionary, or genetic data. The paper shows that rubredoxins from aerobic and anaerobic bacteria have originated from some common ancestor. One paper analyzes the chemical and physical properties of rubredoxin and the way they relate to the structure resulting from an X-ray diffraction. The investigator can use electron paramagnetic resonance (EPR), electron nuclear double resonance (ENDOR) spectroscopy, or nuclear magnetic resonance (NMR) to determine the structural and functional features of simple and conjugated iron-sulfur proteins. He can also use a proton magnetic resonance (PMR) spectroscopy to study the structures and interactions of proteins in solution, such as ribonuclease, lysozyme, and the heme proteins (hemoglobins or myoglobins). Cellular biologists, micro-biologists, bio-chemists, and scientists involved in biological systems research will find this collection very informative.
Author: Walter Lovenberg
Publisher: Elsevier
ISBN: 0323154298
Category : Science
Languages : en
Pages : 360
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Book Description
Molecular Properties, Volume II is a collection of papers that deals with the physical and chemical properties of iron-sulfur proteins, with emphasis on the theory and application of physicochemical techniques related to metalloproteins. One paper describes the chemical properties of simple iron-sulfur proteins focusing on chloroplast, bacterial-type ferredoxins, and the nature of the active site in the ferredoxins. Another paper notes that rubredoxin sequences can offer phylogenetic, evolutionary, or genetic data. The paper shows that rubredoxins from aerobic and anaerobic bacteria have originated from some common ancestor. One paper analyzes the chemical and physical properties of rubredoxin and the way they relate to the structure resulting from an X-ray diffraction. The investigator can use electron paramagnetic resonance (EPR), electron nuclear double resonance (ENDOR) spectroscopy, or nuclear magnetic resonance (NMR) to determine the structural and functional features of simple and conjugated iron-sulfur proteins. He can also use a proton magnetic resonance (PMR) spectroscopy to study the structures and interactions of proteins in solution, such as ribonuclease, lysozyme, and the heme proteins (hemoglobins or myoglobins). Cellular biologists, micro-biologists, bio-chemists, and scientists involved in biological systems research will find this collection very informative.
Author: D.S. Chemla
Publisher: Elsevier
ISBN: 0323157769
Category : Science
Languages : en
Pages : 285
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Book Description
Nonlinear Optical Properties of Organic Molecules and Crystals, Volume 2 deals with the nonlinear optical properties of organic molecules and crystals, with emphasis on cubic nonlinear optical effects and and the intermolecular bond. Topics covered include the basic structural and electronic properties of polydiacetylenes; cubic effects in polydiacetylene solutions and films; and degenerate third-order nonlinear optical susceptibility of polydiacetylenes. Dimensionality effects and scaling laws in nonlinear optical susceptibilities are also considered. This volume is comprised of seven chapters divided into two sections and begins with a discussion on the basic structural and electronic properties of polydiacetylenes as well as their methods of preparation. Cubic nonlinearities in polydiacetylene solutions and films are then examined, paying particular attention to polarization in one-dimensional media; multiple reflections of fundamental and harmonic waves; and harmonic generation in an absorbing medium. The following chapters focus on degenerate third-order nonlinear optical susceptibility of polydiacetylenes; dimensionality effects and scaling laws in nonlinear optical susceptibilities; polarizabilities and hyperpolarizabilities of long molecules; and resonant molecular optics. The final chapter analyzes the nonlinear optics of a wide range of compounds that are held together by intermolecular bonding and form supramolecular assemblies. This monograph will be a useful resource for physicists, physical and organic chemists, and those in the field of quantum electronics.
Author: P.L. Polavarapu
Publisher: Elsevier
ISBN: 0080543537
Category : Science
Languages : en
Pages : 427
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Book Description
This book originated out of a desire to combine topics on vibrational absorption, Raman scattering, vibrational circular dichroism (VCD) and Raman optical activity (VROA) into one source. The theoretical details of these processes are presented in ten different chapters. Using dispersive and Fourier transform techniques, the instrumentation involved in these spectral measurements are given in three chapters. Major emphasis is placed on the newer techniques, i.e. VCD and VROA, with the conventional vibrational absorption and vibrational Raman scattering methods incorporated as natural parts of the newer methods.Features of this book:• Comprehensive coverage of vibrational circular dichroism and vibrational Raman optical activity.• Coverage of theoretical and instrumental details.• A comprehensive survey of VCD and VROA applications is included, so that the reader can get an overview of theory, instrumentation and applications in one source.The topics covered are of an advanced level, which makes this book invaluable for graduate students and practising scientists in vibrational spectroscopy.
Author: Daniel L. Purich
Publisher: Elsevier
ISBN: 0080550819
Category : Science
Languages : en
Pages : 940
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Book Description
The aim of this work is to provide a fuller spectrum of information in a single source on enzyme-catalyzed reactions than is currently available in any published reference work or as part of any Internet database. The Enzyme Reference: A Comprehensive Guidebook to Enzyme Nomenclature, Reactions, and Methods includes 20,000 review articles and seminal research papers. Additionally, it provides a novel treatment of so-called ATPase and GTPase reactions to account for the noncovalent substratelike and productlike states of molecular motors, elongation factors, transporters, DNA helicases, G-reulatory proteins, and other energases. - Includes a compendium of over 6,000 enzyme reactions (including enzyme commission numbers, alternative names, substrates, products, alternative substrates, and properties) - Covers over 900 chemical structures of key metabolites and cofactors - Index directs readers to the exact pages for over 9,500 enzyme names
Author: Basil Charles McEwen
Publisher:
ISBN:
Category : Matter
Languages : en
Pages : 330
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Book Description
Author:
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 302
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Book Description
Author: Judith P. Klinman
Publisher: Gulf Professional Publishing
ISBN: 9780120342587
Category : Medical
Languages : en
Pages : 502
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Book Description
A cofactor is a component part of many enzymes and functions by uniting with another molecule in order to become active. The use of cofactors to supplement the native amino acids of a protein is essential to maintain the chemical capabilities necessary for organisms to survive. This volume focuses on the significant advances of the past decade in identifying and describing new cofactors--either small molecules or those derived posttranslationally.
Author: Wiley
Publisher: John Wiley & Sons
ISBN: 1118582837
Category : Technology & Engineering
Languages : en
Pages : 1605
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Book Description
The book provides comprehensive, up-to-date information on the physical properties of polymers including, viscoelasticity, flammability, miscibility, optical properties, surface properties and more. Containing carefully selected reprints from the Wiley's renowned Encyclopedia of Polymer Science and Technology, this reference features the same breadth and quality of coverage and clarity of presentation found in the original.
Author:
Publisher: Elsevier
ISBN: 0081028660
Category : Science
Languages : en
Pages : 4871
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Book Description
Materials in a nuclear environment are exposed to extreme conditions of radiation, temperature and/or corrosion, and in many cases the combination of these makes the material behavior very different from conventional materials. This is evident for the four major technological challenges the nuclear technology domain is facing currently: (i) long-term operation of existing Generation II nuclear power plants, (ii) the design of the next generation reactors (Generation IV), (iii) the construction of the ITER fusion reactor in Cadarache (France), (iv) and the intermediate and final disposal of nuclear waste. In order to address these challenges, engineers and designers need to know the properties of a wide variety of materials under these conditions and to understand the underlying processes affecting changes in their behavior, in order to assess their performance and to determine the limits of operation. Comprehensive Nuclear Materials, Second Edition, Seven Volume Set provides broad ranging, validated summaries of all the major topics in the field of nuclear material research for fission as well as fusion reactor systems. Attention is given to the fundamental scientific aspects of nuclear materials: fuel and structural materials for fission reactors, waste materials, and materials for fusion reactors. The articles are written at a level that allows undergraduate students to understand the material, while providing active researchers with a ready reference resource of information. Most of the chapters from the first Edition have been revised and updated and a significant number of new topics are covered in completely new material. During the ten years between the two editions, the challenge for applications of nuclear materials has been significantly impacted by world events, public awareness, and technological innovation. Materials play a key role as enablers of new technologies, and we trust that this new edition of Comprehensive Nuclear Materials has captured the key recent developments. Critically reviews the major classes and functions of materials, supporting the selection, assessment, validation and engineering of materials in extreme nuclear environments Comprehensive resource for up-to-date and authoritative information which is not always available elsewhere, even in journals Provides an in-depth treatment of materials modeling and simulation, with a specific focus on nuclear issues Serves as an excellent entry point for students and researchers new to the field
Author: Elias Hudson Bartley
Publisher:
ISBN:
Category :
Languages : en
Pages : 774
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Book Description
