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Elsevier

Libros en Química

  • Histochemical Techniques

    • 2 Edición
    • J. D. Bancroft
    • Inglés
    Histochemical Techniques, 2nd Edition deals with different methods of tissue processing and their application to histochemical procedures, including freeze drying and freeze substitution. Topics covered include fixation, production of paraffin and frozen sections, and principles of enzyme histochemistry. The use of histochemical methods to demonstrate carbohydrates, proteins, amino acids, lipids, nucleic acids, pigments, and various enzymes is also discussed. This book is comprised of 20 chapters and begins with an overview of the problems and values of histochemistry. The discussion then turns to carbohydrates, along with concepts and methods in carbohydrate histochemistry such as blocking and enzyme methods. Other chapters focus on amyloids, pigments, minerals, phosphatases, and esterases. The principles of enzyme histochemistry are also considered, with emphasis on preservation and factors affecting enzyme activity. The final chapter is devoted to ultra-histochemistry... the application of histochemistry to electron microscopy. This monograph will be of interest to histochemists, histopathologists, and technologists involved in histochemical work.

  • Sulfur Reagents in Organic Synthesis

    • 1 Edición
    • Patrick Metzner + 1 más
    • A. R. Katritzky
    • Inglés
    Designed for the practising organic chemist, this book details over a hundred experimental procedures using sulfer compounds in organic synthesis. Many of these methods are new to the literature, having been published since 1991, and illustrate the striking versatility of the use of sulfur reagents. Examples are simple to perform and extremely useful, and as such this book will be an invaluable aid to all involved in synthetic organic chemistry, whether in academic or industrial laboratories.

  • Kinetics and Dynamics of Elementary Gas Reactions

    Butterworths Monographs in Chemistry and Chemical Engineering
    • 1 Edición
    • Ian W. M. Smith
    • Inglés
    Kinetics and Dynamics of Elementary Gas Reactions surveys the state of modern knowledge on elementary gas reactions to understand natural phenomena in terms of molecular behavior. Part 1 of this book describes the theoretical and conceptual background of elementary gas-phase reactions, emphasizing the assumptions and limitations of each theoretical approach, as well as its strengths. In Part 2, selected experimental results are considered to demonstrate the scope of present day techniques and illustrate the application of the theoretical ideas introduced in Part 1. This publication is intended primarily for working kineticists and chemists, but is also beneficial to graduate students.

  • Colloid and Surface Science

    Plenary and Main Lectures Presented at the International Conference on Colloid and Surface Science, Budapest, Hungary, 15-20 September 1975
    • 1 Edición
    • E. Wolfram
    • Inglés
    Colloid and Surface Science records the plenary and main lectures of the International Conference on Colloid and Surface Science, held in Budapest Hungary in September 1975. The conference discusses such topics as main factors affecting the stability of colloids; the thermodynamics of adsorption excess quantities; pore structure of solids; the effect of adsorption on the interaction between solid particles; colloid and surface chemical aspects of mesophases; and the measurement of surface tension by exact methods. Physicists and chemists specializing in colloids and surface tension will find the book very insightful.

  • Advances in Liquid Crystals

    Volume 6
    • 1 Edición
    • Glenn H. Brown
    • Inglés
    Advances in Liquid Crystals, Volume 6 is a collection of scientific essays that focuses on the developments and applications in the field of liquid crystal science. The text begins with an article about the smectic phases of substances with rodlike molecules in layered structures. This article focuses on the nematic phases of polymorphism that include cubic thermotropic phases and blue phases. A section of the book provides an extensive discussion of the means of experimental procedures used to evaluate the spectra and the implications of the spectral parameters. A critical analysis of the influence of molecular vibration including interdependence on the average order parameters is also included. The terms nuclear relaxation, quadrupole coupling constants, chemical shielding anisotropy, molecular order, and molecular structure and conformation are explained in detail. The last article briefly discusses the actions of liquid crystal systems in the muscle and connective tissue. The book will provide valuable insights for scientists, developers of crystal displays, students, and researchers in the field of chemistry.

  • Natural, Metal, Fiber, and Macromolecular Carcinogens

    Structural Bases and Biological Mechanisms
    • 1 Edición
    • Yin-Tak Woo + 2 más
    • Inglés
    Chemical Induction of Cancer: Structural Bases and Biological Mechanisms, Volume IIIC: Natural, Metal, Fiber, and Macromolecular Carcinogens covers structure-carcinogen... relationships of carcinogenic mycotoxins, carcinogenic substances generated by plants, carcinogenic metals and metalloids, and foreign-body carcinogens. The book discusses the metabolism and mechanism of carcinogenic action, physicochemical properties, other biological activities (principally mutagenicity and teratogenicity), modification of carcinogenic activity, formation and environmental significance. The text also describes the carcinogenic water-soluble high polymers and explores the intriguing problems of the carcinogenic effect of osmotic imbalance in tissue microenvironment, as well as of spontaneous malignant transformation occurring in cell cultures in vitro. Studies on tumor induction and carcinogenesis modification by nonviral nucleic acids, by nucleases, proteases, histones, and by antigenic stimulation as well as by antibodies are also considered. The book further tackles tumor-released factors as possible modifiers of carcinogenesis. The text will prove invaluable to chemists and people involved in cancer research.

  • Carbon-13 NMR of Flavonoids

    • 1 Edición
    • Volumen 39
    • P.K. Agrawal
    • Inglés
    This detailed treatise is written for chemists who are not NMR spectroscopists but who wish to use carbon-13 NMR spectroscopy. It shows why measurement of carbon-13 NMR is needed and explains how the method can - or should - be used for rapid characterization of flavonoids, one of the most diverse and widespread groups of natural constituents.The first part of the book presents background information and discussion of the essential aspects of flavonoids and carbon-13 NMR spectroscopy and demonstrates its significant role in the revision of several earlier established chemical structures. It discusses various one- and two-dimensional NMR spectroscopic techniques and other relevant experimental methodologies for the interpretation of spectral details which enable individual resonance lines to be associated with the appropriate carbons in a molecule. The second part provides a comprehensive coverage of the carbon-13 chemical shifts of various classes and subclasses of flavonoids. It also illustrates how to utilize carbon-13 data to gain information for the determination of the nature, number and site of any substituent in flavonoids. Vital information for the differential and complete structure elucidation of the various classes of flavonoids by carbon-13 NMR shielding data is described in-depth in the third part of the book.The book will be welcomed by all those working in natural product chemistry who will appreciate the non-mathematical approach and the fact that such a wealth of theoretical and practical information has been assembled in a single volume.

  • Organic Chemistry: The Name Game

    Modern Coined Terms and Their Origins
    • 1 Edición
    • Alex Nickon + 1 más
    • Inglés
    Organic Chemistry: The Name Game: Modern Coined Terms and their Origins is a lighthearted take on the usually difficult and systematic nomenclature found in organic chemistry. However, despite the lightheartedness, the book does not lose its purpose, which is to serve as a source of information on this particular subject of organic chemistry. The book, arranged into themes, discusses some organic compounds and how they are named based on their structure, makeup, and components. The text also explains the use of Greek and Latin prefixes in nomenclature and many other principles in nomenclature. The book also includes an appendix that contains very useful information on nomenclature, such as the etymology of certain element and chemical names, numerical prefixes, and the Greek alphabet. The text is not only for students who wish to be familiarized with a different style of organic chemistry nomenclature, but also for professors who aim to give students an enjoyable yet memorable learning experience.

  • Intermetallic Compounds in Mercury

    • 1 Edición
    • Volumen 51
    • J.G. Osteryoung + 3 más
    • Inglés
    Intermetallic Compounds in Mercury is Volume 51 of the Solubility Data Series. It follows Volume 25, Metals in Mercury, of the same series. Evaluations of more than fifty systems are presented together with all of the data and citations from the original literature. In addition, over 200 references are given to related literature that describes metal interactions in amalgams but from which quantitative information can only be inferred. For each compound reported, a critical evaluation presents recommended or tentative values of solubilities or solubility products based on statistical treatment of the data reported. Mercury provides a unique solvent for metal-metal reactions, and thus the data reported here are a valuable addition to the experimental basis for better fundamental understanding of interactions of metals in the elemental state. In addition, this material is important technologically in the areas of metal processing, materials, and electrochemistry.

  • Advances in Liquid Crystals

    Volume 1
    • 1 Edición
    • Glenn H. Brown
    • Inglés
    Advances in Liquid Crystals, Volume I is a collection of papers dealing with lyotropic and thermotropic liquid crystals. One paper discusses lyotropic liquid crystalline phases in systems of amphiphilic compounds, including the liquid crystalline phases, lyotropic liquid crystalline phase, the ""gel"" phases, and the transition between normal and reversed mesophases. Another paper describes the ordering and structure of liquid crystals by reviewing research work on X-ray analysis of thermotropic liquid crystals. One paper explains the studies made on the mesomorphic behavior of block copolymers, including the incompatibility, segregation, and organization of polymers. The paper notes that plastic crystals and liquid crystals are different manifestations of the duality of the melting process in molecular crystals, resulting in the loss of positional and orientation order. One paper describes the essential linear defects found in solid crystals, which have been researched in terms of the major role they play in macroscopic properties, particularly plasticity, as the defects or dislocations of translation. G. Friedel's work classifies liquid crystals into an intermediary symmetry composed of the nematic, the cholesteric, and the smectic phases. This intermediary symmetry occurs between the liquid type symmetry and the solid type symmetry. This collection can prove useful for researchers in liquid crystals and industrial scientists in the field of chemistry and polymer composites.

  • Advances in Liquid Crystals

    Volume 5
    • 1 Edición
    • Glenn H. Brown
    • Inglés
    Advances in Liquid Crystals, Volume 5 is a collection of scientific essays that focuses on the developments and applications in the field of liquid crystal science. The text begins with an article about the role of liquid crystals in living systems. The subjects covered in this article include the properties of phospholipids, lipid order parameters, lipid diffusion, and the movements of proteins in model and natural biomembranes. The second essay discusses the use of Mossbauer techniques to lyotropic liquid crystals. Such a method provides a list of characteristics of the crystals in focus. Another topic of interest is the theoretical and experimental aspects of microemulsions. The section that follows describes the carbonaceous mesophases and disclination structures. Types of disclination such as wedge disclination, twist disclinations, and disclinations arrays are covered. The neutron incoherent scattering is the focus of the last essay in the book. The book will provide valuable insights for scientists, developer of crystal displays, students, and researchers in the field of chemistry.

  • Autoradiography and Immunocytochemistry

    Practical Methods in Electron Microscopy
    • 1 Edición
    • M.A. Williams
    • Audrey. M. Glauert
    • Inglés
    Autoradiography and Immunocytochemistry sets out in detail the preparation of autoradiographs and methods of preparing and use of immunological staining reagents. This book begins with an introduction to the demand for autoradiography and immunocytochemistry and their most advantageous use, followed by a discussion on the immunocytochemistry at the electron microscopical (EM) level in relation to the preparation of labeled antibodies. Other topics include the general remarks on “staining” with antibodies; applying Fer-Ab conjugates to ultrathin sections; and controls in immunoferritin staining. The multistep antibody staining methods with unmodified proteins; control observations in staining experiments using lectins; and pattern analysis in EM immunocytochemistry are also covered. This text concludes with a description of the preparation of electron microscope autoradiographs, including the radioisotopes in EM autoradiography, preparation of radioactively-labele... tissues and cells, and methods of applying nuclear emulsions. This publication serves as a detailed laboratory guide for researchers and workers to successfully conduct electron microscope techniques.

  • The Chemistry and Biochemistry of Plant Hormones

    Recent Advances in Phytochemistry
    • 1 Edición
    • V. C. Runeckles + 2 más
    • Inglés
    The Chemistry and Biochemistry of Plant Hormones: Recent Advances in Phytochemistry, Volume 7 provides an understanding of the chemistry and biochemistry of plant hormones. This book discusses the presents the experiments and techniques that lead to a deeper understanding of the mode of action of plant hormones. Organized into six chapters, this volume begins with an overview on gibberellins wherein isolation and characterization techniques are emphasized. This text then examines the status of cytokinin chemistry with emphasis on methods of structure elucidation, synthesis, and structure–activity relations. Other chapters consider the synergistic effects possible when workers from various areas are able to collaborate. This book discusses as well the chemistry of abscisic acid. The final chapter deals with the suggested paths for the biosynthesis of ethylene, which would facilitate work on the regulation of ethylene biosynthesis. This book is a valuable resource for biochemists, biophysicists, photobiologists, plant physiologists, and research workers.

  • Sulphones in Organic Synthesis

    • 1 Edición
    • Volumen 10
    • N S. Simpkins
    • Patrick Perlmutter
    • Inglés
    Over the last twenty years the use of sulphones in organic synthesis has increased dramatically, the synthetic repertoire of sulphones having been developed to such an extent as to rival the carbonyl functionality for versatility. Not only have sulphones been employed in a great many synthetic methodologies, enabling the preparation of a vast array of functionalised products, but the sulphone group has also proved to be of enormous value in many of the most demanding and sophisticated total syntheses carried out in recent years. This book describes in detail all of the important sulphone chemistry employed in organic synthesis, ranging from the well-established sulphone-mediated methods to less familiar sulphone reactions and very recent discoveries of synthetic potential.

  • Organometallic Syntheses

    • 1 Edición
    • Volumen 4
    • R. Bruce King
    • Inglés
    Over 160 detailed and tested procedures for the preparation of specific organometallic compounds are given in Volume 4. Part I contains procedures for the synthesis of 76 types of transition metal organometallic compounds, and Part II procedures for the synthesis of 85 nontransition metal organometallic compounds. In both parts, the editors have sought to include procedures that give the safe, reliable synthesis of organometallic compounds that can lay some claim to significance in current chemical research. This significance may be based on various factors such as: (a) the synthesis describes the formation of an unusual or less common structural type; (b) the compound prepared is a useful intermediate in other syntheses; (c) the compound is a model reagent for investigating the mechanisms of various fundamental or industrial processes, such as the Fischer-Tropsch reaction; (d) the compound is a useful reagent in organic synthesis; and (e) the techniques employed in the synthesis of the compound are unusual and worthy of further application, such as metal-atom and electrochemical procedures.Each specific or generalized procedure is organized into the following sections: an Introduction which discusses the available procedures and the reasons guiding the choice of the one selected; a Procedure section which strives to describe the modus operandi, the safety concerns and pitfalls in the preparation; a Properties section that offers further physical and chemical data on the product and, where appropriate, indications of how the compounds can be employed in research; and a Reference section which gives both leading literature citations and supplemental comments on the procedure.Research laboratories in organometallic chemistry, organic chemistry, inorganic chemistry and molecular catalysis have in this book a rich source of information on the preparation of organometallic compounds.

  • Organotransition Metal Chemistry

    Applications to Organic Synthesis
    • 1 Edición
    • Volumen 2
    • S. G. Davies
    • Patrick Perlmutter
    • Inglés
    Although organotransition metal chemistry has been developing rapidly over the past 20 years, it is only recently that applications of transition metal complexes to organic synthesis have started to be exploited. This unique book provides an introduction to organometallic chemistry for chemists who have little or no experience in the field, describes the work that has already been done using organotransition metal complexes for synthesis, and indicates to organic and organometallic chemists the type of synthetic problems that can be solved using organometallic compounds. It covers all major advances that have been made in this rapidly expanding area of chemistry, including not only reactions that already have well established applications for synthesis but also many recently discovered potentially useful reactions, providing a survey of recent literature.

  • Computer Compilation of Molecular Weights and Percentage Compositions for Organic Compounds

    • 1 Edición
    • Michael J. S. Dewar + 1 más
    • Inglés
    Computer Compilation of Molecular Weights and Percentage Compositions for Organic Compounds presents the outputs of computer programs that calculate the molecular weights and percentage compositions of organic compounds. The data presented in the text only covers compounds containing carbon, hydrogen, and heteroatoms, while the elements covered are bromine, chlorine, fluorine, iodine, nitrogen, oxygen, and phosphorus. The calculations of the result were conducted by Control Data Corporation 1604 computer. The book will be of great use to chemists and chemical engineers who need to have a quick access to the data on organic compounds.

  • Trace Elements in Coal

    • 1 Edición
    • Dalway J. Swaine
    • Inglés
    Trace Elements in Coal focuses on the compositions, reactions, and properties of trace elements in coal. The book first discusses the origin of trace elements in coal. The formation of peat; geological and geochemical aspects of coal seams; geology of Australian coals; constitution of coal; history of trace elements in coal; and coal mining in Australia are discussed. The text also clarifies the mode of occurrence of trace elements in coal. The identification of minerals in coal; silicon-rich minerals; carbonate minerals; sulfide minerals; lignites and brown coals; and phosphates are discussed. The book then underscores the methods of analysis. Inductively coupled plasma atomic emission spectrometry; atomic absorption spectrometry; spark source mass spectrometry; and neuron activation analysis are described. The text also focuses on the contents of trace elements in coal; comparisons of coal with shale and soil; relationship of radioactivity and coal; and relevance of trace elements in coal. The book is a good source of data for readers wanting to study the trace elements in coal.

  • Calcium and Cell Function

    Volume 1
    • 1 Edición
    • Wai Yiu Cheung
    • Inglés
    Calcium and Cell Function, Volume I: Calmodulin covers calmodulin-regulated functions. The book discusses the preparation, properties, structure, function, evolution, and structure-function relationships of calmodulin; and calmodulin-dependent adenylate cyclase. The text also describes the transport of calmodulin and plasma membrane calcium; the role of calmodulin and troponin in the regulation of phosphorylase kinase from mammalian skeletal muscle; and calcium-dependent protein phosphorylation in mammalian brain and other tissues. The role of calmodulin in dopaminergic transmission; the immunocytochemical localization of calmodulin in rat tissues; and the immunocytochemical studies of the localization of calmodulin and caM-BP80 in the brain are also considered. The book further tackles the mechanisms and pharmacological implications of altering calmodulin activity. Molecular cardiologists, biochemists, and pharmacologists will find the book invaluable.

  • Structure of Molecules and Internal Rotation

    Physical Chemistry: A Series of Monographs
    • 1 Edición
    • San-Ichiro Mizushima
    • Ernest M. Loebl
    • Inglés
    Structure of Molecules and Internal Rotation reviews early studies on dihalogenoethanes. This book is organized into two parts encompassing 8 chapters that evaluate the Raman effect in ethane derivatives, the energy difference between rotational isomers, and the infrared absorption of ethane derivatives. Some of the topics covered in the book are the potential barrier to internal rotation; nature of the hindering potential; entropy difference between the rotational isomers; internal rotation in butane, pentane, and hexane; and internal rotation in long chain n-paraffins. Other chapters deal with the configuration of a polypeptide chain, as well as the sum rule and the product rule for rotational isomers. The normal vibrations of the 1,2-dihalogenoethane... are presented. The last chapters are devoted to the examination of the Raman effect, dielectric constant, and electron diffraction. The book can provide useful information to chemists, physicists, students, and researchers.

  • Alkali Metal Halates, Ammonium Iodate and Iodic Acid

    Solubility Data Series
    • 1 Edición
    • Volumen 30
    • H. Miyamoto + 1 más
    • Inglés
    This volume presents compilations and critical evaluations of reported solubility data for the title compounds published up to mid-1984. These compounds have an important place in the history of analytical chemistry; practical applications include their use in pyrotechnics and the paper pulp industry. Also included are two BASIC computer programs which allow the calculation of solubilities at any temperature.

  • The Chemistry of Inorganic Ring Systems

    • 1 Edición
    • Volumen 14
    • R. Steudel
    • Inglés
    The present volume considers the most recent developments in the chemistry of cyclic inorganic and organoelement compounds. Nineteen of the 22 chapters are based on invited and other lectures presented at the 6th International Symposium on Inorganic Ring Systems held in Berlin on August 18-22, 1991.Main group compounds dominate the content from boron via carbon, silicon, germanium, tin, nitrogen, phosphorus and arsenic, to sulfur and selenium. The book is organized by element, moving from left to right in the main groups of the Periodic Table, followed by one chapter each on bonding and nomenclature of ring molecules. The list of contributors comprises distinguished scientists from 8 countries.

  • Rearrangements in Ground and Excited States

    Organic Chemistry: A Series of Monographs, Vol. 42.2
    • 1 Edición
    • Paul de Mayo
    • Inglés
    Rearrangements in Ground and Excited States, Volume 2 covers essays on the theoretical approach of rearrangements; the rearrangements involving boron; and the molecular rearrangements of organosilicon compounds. The book also includes essays on the polytopal rearrangement at phosphorus; the rearrangement in coordination complexes; and the reversible thermal intramolecular rearrangements of metal carbonyls. Chemists and people involved in the study of rearrangements will find the book invaluable.

  • NMR Techniques & Applications in Geochemistry & Soil Chemistry

    • 1 Edición
    • M.A. Wilson
    • Inglés
    The book provides an in-depth review of the state of the art of NMR spectroscopy as applied to a wide range of geochemical problems. It is intended to assist geochemists and spectroscopists working at the interface between geochemistry and NMR, and almost all areas of organic and inorganic geochemistry where NMR has had an influence are discussed.

  • Discovery of Novel Natural Products with Therapeutic Potential

    • 1 Edición
    • Vincent P. Gullo
    • Inglés
    Although science has discovered effective drugs for many of the diseases that afflict mankind, many human health problems remain untreatable. The search for novel therapeutic agents is always ongoing. This book will describe some of the diverse sourcesof natural products, such as terrestrial and marine environments; and will review how research has increased knowledge of biological systems and human disease, leading to the design of targeted asssays, amenable to high volume screening.

  • Strained Organic Molecules

    Organic Chemistry: A Series of Monographs, Vol. 38
    • 1 Edición
    • Arthur Greenberg + 1 más
    • Harry H. Wasserman
    • Inglés
    Strained Organic Molecule, Volume 38 considers the vast field of strained organic molecules. The book discusses energy and entropy; cyclopropane and cyclobutane; and unique strained groupings or building blocks. The text also describes the aesthetics, rearrangements, and topology of polycycles; kinetic and thermodynamic stability; and tetrahedral tetracoordinate carbon. The inverted tetrahedra, propellanes, buttaflanes, and paddlanes; planar methane and its derivatives; and five- and six-coordinaste carbon are also considered. Chemists will find the book invaluable.

  • Compounds of the Transition Elements Involving Metal-Metal Bonds

    Pergamon Texts in Inorganic Chemistry, Volume 27
    • 1 Edición
    • D. L. Kepert + 1 más
    • Inglés
    Compounds of the Transition Elements Involving Metal-Metal Bonds deals with compounds of the transition elements involving metal-metal bonds, with particular emphasis on metal-metal bonds in coordination compounds and organometallic complexes, halides, and oxides. Factors that influence the formation, stability, and properties of such compounds, as well as their application in various fields of chemistry and physics, are discussed. This book is divided into four sections and begins with a classification of metal-metal bonds and some of the physical and chemical methods used to study them, including X-ray crystallography, magnetic susceptibility and electron spin resonance, nuclear spin resonance, Mössbauer measurements, infrared and Raman spectroscopy, visible and ultraviolet spectroscopy, mass spectrometry, electrical conductivity, electrochemical methods, and chemical reactivity. Factors influencing the strength of metal-metal bonds in metals and compounds are also examined. The remaining sections deal with metal-metal bonds in coordination compounds and organometallic complexes, halides, and oxides. This monograph will be a useful resource for inorganic chemists.

  • Tin in Organic Synthesis

    • 1 Edición
    • Michel Pereyre + 2 más
    • Inglés
    Tin in Organic Synthesis is a systematic presentation of the organic chemistry of tin. This book discusses the significant advances that have been made with regard to the applications of organotin compounds as reagents or intermediates in organic synthesis and points out directions for future developments. This monograph is comprised of 17 chapters divided into four sections. Following a brief introduction to organotin chemistry, the production of the organotin reagents, which are most usually employed in organic synthesis, is described. Special emphasis is placed on the creation of a fresh tin-carbon bond, a preliminary step in numerous fruitful applications. The following chapters are devoted to synthetic applications involving tin-hydrogen, tin-carbon, and tin-heteroatom bonds. The reduction of organic halides, carbonyl compounds, thio, nitrogen compounds, unsaturated carbon-carbon bonds, and seleno and telluro compounds is considered. The discussion then turns to electrophilic cleavages of tin-carbon bonds, which are of possible interest in organic synthesis, along with transmetallation and metallation of organotin compounds. The creation of new carbon-carbon bonds through substitution, addition, or elimination reactions is also examined. The remaining chapters focus on organotin alkoxides, organotin enolates, organotin oxides and peroxides, and organotin esters. This book will be of interest to students and researchers in the field of organic chemistry.

  • Ab Initio Valence Calculations in Chemistry

    • 1 Edición
    • D. B. Cook
    • Inglés
    Ab Initio Valence Calculations in Chemistry describes the theory and practice of ab initio valence calculations in chemistry and applies the ideas to a specific example, linear BeH2. Topics covered include the Schrödinger equation and the orbital approximation to atomic orbitals; molecular orbital and valence bond methods; practical molecular wave functions; and molecular integrals. Open shell systems, molecular symmetry, and localized descriptions of electronic structure are also discussed. This book is comprised of 13 chapters and begins by introducing the reader to the use of the Schrödinger equation to solve the electronic structure of molecular systems. This discussion is followed by two chapters that describe the chemical and mathematical nature of orbital theories in quantum chemistry. Two general ways of using chemical and physical information in looking for approximate solutions of the Schrödinger equation are highlighted: model approximations and numerical approximations. Attention then turns to atomic orbitals as the basis of a description of molecular electronic structure; practical molecular wave functions; and a general strategy for performing molecular valence calculations. The final chapter examines the nature of the valence electronic structure by using invariance with respect to transformations among the occupied molecular orbitals and among the atomic orbitals. This text will be of interest to students and practitioners of chemistry, biochemistry, and quantum mechanics.

  • Molten Alkali Metal Alkanoates

    • 1 Edición
    • Volumen 33
    • P. Franzosini + 3 más
    • Inglés
    Most alkali metal alkanoates exhibit polymorphism in the solid state. However, controversy exists about the number, nature and stability range of the polymorphs present in a given solvent. This volume discusses all available solubility data for the title compounds, and includes critical evaluations for all systems considered.

  • Adsorption Calculations and Modelling

    • 1 Edición
    • Howard Brenner
    • Inglés
    'Adsorption Calculations and Modelling' provides readers with practical, useful information about how to make adsorption calculations and formulate models describing adsorption processes. Unlike most books on this subject, this book treats both gas phase adsorption and liquid phase adsorption with equal emphasis, and supplies a rigorous treatment of multi-component adsorption. It also covers adsorption applications in environmental applications including the use of impregnated adsorbents for protection against toxic gases and carbon adsorption in water and wastewater treatment.

  • Alkaline Earth Hydroxides in Water and Aqueous Solutions

    • 1 Edición
    • Volumen 52
    • I. Lambert + 1 más
    • Inglés
    This volume contains evaluated data on the solubility of beryllium hydroxide, magnesium hydroxide, calcium hydroxide, strontium hydroxide and barium hydroxide in water and in a number of electrolyte and nonelectrolyte solutions in water. The alkaline earth hydroxides can be divided into two groups depending on the hydration of the solid. First, the sparingly soluble anhydrous beryllium, magnesium and calcium hydroxides, whose freshly precipitated solids are poorly crystalline and show decreasing solubility with aging, and whose solubility in water decreases with increasing temperature. Second, the soluble strontium and barium hydroxide octahydrates that form crystalline precipitates which do not show changes in solubility on aging, and whose solubility in water increases with increasing temperature.

  • Alkali Metal and Ammonium Chlorides in Water and Heavy Water (Binary Systems)

    • 1 Edición
    • Volumen 47
    • R. Cohen-Adad + 1 más
    • Inglés
    This volume surveys the data available in the literature for solid-fluid solubility equilibria plus selected solid-liquid-vapour equilibria, for binary systems containing alkali and ammonium chlorides in water or heavy water. Solubilities covered are lithium chloride, sodium chloride, potassium chloride, rubidium chloride, caesium chloride and ammonium chloride in water and heavy water.

  • Advances in High Temperature Chemistry

    Volume 2
    • 1 Edición
    • Leroy Eyring
    • Inglés
    Advances in High Temperature Chemistry, Volume 2 covers the advances in the knowledge of the high temperature behavior of materials and the complex and unfamiliar characteristics of matter at high temperature. The book discusses the dissociation energies and free energy functions of gaseous monoxides; the matrix-isolation technique applied to high temperature molecules; and the main features, the techniques for the production, detection, and diagnosis, and the applications of molecular beams in high temperatures. The text also describes the chemical research in streaming thermal plasmas, as well as the studies of the sublimation mechanism of sodium chloride, cadmium sulfide, and gallium arsenide. The temperature and emissivity measurements in the thermal imaging technique, freezing and melting point measurements of metal oxides, and phase studies on binary oxide systems at higher temperatures with a solar furnace are also encompassed. High temperature chemists and solar researchers will find the book invaluable.

  • Organic Geochemistry in Petroleum Exploration

    Proceedings of the 13th International Meeting on Organic Geochemistry, Venice, Italy 21-25 September 1987
    • 1 Edición
    • L. Mattavelli + 1 más
    • Inglés
    This volume presents the most significant papers given during the 13th International Meeting in Organic Geochemistry. The intention of the publication is to provide the scholars of this science with its state-of-the-art and recent papers not only in academic research but above all in practical applications. Several papers attest to an increased use of organic geochemistry not only in the oil industry, during all phases of petroleum exploration, but also in the other research areas of coal origin and structure, metallogeny, sedimentology, molecular palaeontology, biochemistry and pollution.

  • Esters with Water

    Esters 7-C to 32-C
    • 1 Edición
    • Volumen 49
    • F.W. Getzen + 2 más
    • Inglés
    This is the second volume in this series devoted to the solubility of esters with water. It includes solubility data for binary systems containing an ester and water up to the end of 1988. The critical evaluations were all prepared by one author and an introductory section has been included to elaborate the philosophy and methodology followed in the evaluations.

  • Progress in Heterocyclic Chemistry

    A Critical Review of the 1992 Literature Preceded by Two Chapters on Current Heterocyclic Topics
    • 1 Edición
    • Volumen 5
    • H. Suschitzky + 1 más
    • Inglés
    Progress in Heterocyclic Chemistry Volume 5 deals critically with original material selected essentially from the 1992 heterocyclic literature. Chapters 1 and 2 are given over to reviews: in the first, SO2 extrusion from five-membered rings is discussed by R.A. Aitken and colleagues, which completes last year's review on this topic. The second review presents a review of 2-acylamino-3-dimeth... in heterocyclic synthesis. The chapters are arranged according to ring sizes as in the previous volumes and are supported by references, numerous diagrams and a subject index.

  • Chemistry, Biology, and Medicine of Neurohypophyseal Hormones and Their Analogs

    The Peptides Analysis, Synthesis, Biology, Vol. 8
    • 1 Edición
    • Sidney Udenfriend + 2 más
    • Inglés
    Chemistry, Biology, and Medicine of Neurohypophyseal Hormones and Their Analogs, Volume 8 covers the advances in methods to study peptide hormone action at the molecular level. The book discusses the anatomy, physiology, and clinical disorders of the neurohypophysis; the biosynthesis of neurohypophyseal peptides; and the structure-activity relationships of neurohypophyseal peptides, with an emphasis on the role of conformational features. The text also describes conformational studies of neurohypophyseal hormones by physical chemical techniques; the central nervous system effects of neurohypophyseal peptides; and the effects of neurohypophyseal hormones on the kidney. The effects of neurohypophyseal hormones on the cardiovascular systems are also considered. Chemists, neurobiologists, and people involved in the study of neurohypophyseal hormones will find the book invaluable.

  • Advances in Liquid Crystals

    Volume 2
    • 1 Edición
    • Glenn H. Brown
    • Inglés
    Advances in Liquid Crystals, Volume 2 covers the study of lyotropic and thermotropic liquid crystals. The five articles in this volume discuss topics such as the effects of change in molecular geometry on the properties of liquid crystals formed by nonamphiphilic (thermotropic) compounds; aspects of the physics and chemistry of cholesteric liquid crystals with respect to temperature dependence and temperature sensitivity of the selective reflection of visible light; arrangements of emulsifier molecules and the interaction between the different components in emulsions; the type of information about liquid crystals obtained from vibrational spectroscopy; and the continuum theory of liquid crystals as it applies to static equilibrium. The book will be invaluable to materials engineers, inventors, physicists, and researchers in the field of electronics.

  • Luminescence and the Solid State

    • 1 Edición
    • Volumen 12
    • Richard C. Ropp
    • Inglés
    Since the discovery of the transistor in 1948, the study of the solid state has been burgeoning. Recently, cold fusion and the ceramic superconductor have given cause for excitement. There are two approaches possible to this area of science, namely, that of solid state physics and solid state chemistry, although both overlap extensively. The former is more concerned with electronic states in solids (including electromagnetics) whereas the latter is more concerned with interactions of atoms in solids. The area of solid state physics is well documented, however, there are very few texts which deal with solid state chemistry. Luminescence and the Solid State has been written to fulfil this need. The concepts regarding luminescence and phosphors are unique and have been covered extensively providing a useful reference source for anyone requiring such knowledge as a basis for further study. The discussion on the defect state, which is handled in chapter two, can be applied to many other systems, e.g. ceramic superconductors. The book has extensive, useful equations and figures, the derivations of which are simple and easy to follow. This useful, comprehensive text can be used for self-study and should also prove invaluable in a graduate study as an introduction to the solid state and luminescence.

  • Advances in Metal-Organic Chemistry

    A Research Annual
    • 1 Edición
    • Volumen 2
    • Lanny S. Liebeskind
    • Inglés
    Advances in Metal-Organic Chemistry: A Research Annual, Volume 2 presents the virtues of metal-oriented organic chemistry utilizing stoichiometric and catalytic reagents. This book discusses of value for the synthesis of generally useful organic structures. Organized into seven chapters, this volume begins with an overview of the synthetic applications of chromium tricarbonyl stabilized benzylic carbanions. This text then examines the application of organometallic complexes to stereoselective organic synthesis. Other chapters consider the carbine addition reaction that has been shown to be useful in many cases, but complications arise because of the inherently high reactivity of these species. This book discusses as well the most common substituted-arene complexes, particularly those of benzaldehyde and benzoic acid that are stable when prepared by indirect routes via acetals or esters. The final chapter deals with the efficient ring homologation methodology for cyclic alkenes. This book is a valuable resource for synthetic organic chemists and organometallic chemists.

  • Mechanisms of Chemical Carcinogenesis

    • 1 Edición
    • D. E. Hathway
    • Inglés
    Mechanisms of Chemical Carcinogenesis provides information pertinent to the fundamental mechanisms of chemical carcinogenesis. This book surveys the interactions of chemical carcinogens with native DNA, the activation of normal cellular sequences, and the transforming role of the activated genes. Organized into seven chapters, this book begins with an overview of the relationship between the incidence of lung cancer and the frequency and duration of cigarette smoking. This text then examines the concept that carcinogens may require metabolic activation before they initiate carcinogenesis. Other chapters consider the structure of the nucleoside adducts resulting from the hydrolysis of salmon-sperm DNA and rat-liver ribosomal RNA. This book discusses as well the persistence of nucleoside analogues in target-tissue nucleic acid. The final chapter deals with mutational theory. This book is a valuable resource for workers involved with cancer research, toxicology, and molecular biology. Specialists in drug development, industrial hygiene and occupational medicine will also find this book useful.

  • Argon

    • 1 Edición
    • Volumen 4
    • H. L. Clever
    • Inglés
    The users of this volume will find (1) the experimental solubility data of argon gas in liquids as reported in the scientific literature, (2) tables of smoothed mole fraction solubility data for the systems which were studied over a temperature interval, and (3) tables of either tentative or recommended solubility data when two or more laboratories reported solubility data over the same range of temperature and pressure for a system. Users have the option of using the experimental values, either directly or in their own smoothing equations, or of using the smoothed values prepared by the compilers and evaluators

  • Aliphatic and Polyhalogenated Carcinogens

    Structural Bases and Biological Mechanisms
    • 1 Edición
    • Yin-Tak Woo + 2 más
    • Inglés
    Chemical Induction of Cancer: Structural Bases and Biological Mechanisms, Volume IIIB: Aliphatic and Polyhalogenated Carcinogens covers environmentally and occupationally significant carcinogens of industrial origins. The book discusses the structure-activity relationships, metabolism, and environmental significance of the halogenated linear alkanes and alkenes and the halogenated cycloalkanes; and cycloalkene pesticides, biphenyls, and related aromatics. The text also describes the structure-activity relationships, metabolism, and environmental significance of the halogenated phenoxy acids, aromatic ethers, dibenzofurans, and dibenzo-p-dioxins; and ethylene glycol, diethylene glycol, dioxane, and related compounds. The structure-activity relationships, metabolism, and environmental significance of phenols and phenolic compounds; nitroalkanes and nitroalkenes; and acetamide, dimethylcarbamyl chloride, and related compounds thiocarbonyl compounds are also encompassed. The book further tackles the structure-activity relationships, metabolism, and environmental significance if fatty acids, detergents, and other surfactants with oncogenic potential. The text then looks into the effect of chemical reactivity, molecular geometry, and metabolism on carcinogenic activity. Chemists, geneticists, and those involved in cancer research will find the book invaluable.

  • In Situ Bioreclamation

    Applications and Investigations for Hydrocarbon and Contaminated Site Remediation
    • 1 Edición
    • Robert E. Hinchee + 1 más
    • Inglés
    In Situ Bioreclamation: Applications and Investigations for Hydrocarbon and Contaminated Site Remediation is a collection of selected papers submitted by participants to the international symposium ""In Situ and On-Site Bioreclamation"", held in San Diego, California in March 1991. The book consists of articles, which represent a substantial technical contribution, and technical notes, and brief technology descriptions or reports of preliminary or less substantial studies that proposes and exposes various solutions for the biological treatment of contaminated soil, water, and gas. This volume is one of two that represent the most complete and up-to-date set of papers at the time. The book covers the most comprehensive collection of treatises that presents practices in the reversal of damages to the environment. Solutions vary from proven commercially available technologies for some applications, such as reactor treatment of petroleum hydrocarbons in aqueous steams, to fundamental research in others, such as genetic engineering to develop strains of biodegradable xenobiotics. Environmentalists, scientists, students of natural sciences, civil engineers, and those concerned with the preservation and restoration of nature will find this book invaluable.

  • Teratogens

    Chemicals Which Cause Birth Defects
    • 2 Edición
    • Vera M. Kolb
    • Inglés
    Teratogens Chemicals Which Cause Birth Defects, 2nd Revised Edition is a collection of papers that discusses the practical aspect of teratogens, particularly regarding information on the teratogenic potential of chemicals. This book describes the principles and mechanism of teratogenesis, including the initiating mechanisms during the subcellular or molecular level and the role of bio-activation in teratogenesis. Investigations have been done on the relationship between spontaneous abortion in women exposed to organic solvents, antineoplastic agents, and chemicals in plastics. Other studies also show that teratogenicity depends in part on enzymatic bio-activation to an embryotoxic reactive intermediate. This text also explains the legal and ethical aspects of fetal protection policies with emphasis on fetal protection. Protection to expecting women extends to pregnant students exposed to teratogenic chemicals in chemistry laboratories. The book explains how and where to get information about the teratogenic potential of chemicals and how to properly handle these chemicals in the laboratory. The book also provides a list from RTECs of toxic chemicals which can cause reproductive effects. This book can prove useful for chemists, pharmacologists, obstetricians, gynecologists, and practitioners of general medicine.

  • Alkaline Earth Metal Halates

    • 1 Edición
    • Volumen 14
    • H. Miyamoto + 2 más
    • Inglés
    Solubilities of the chlorates, bromates and iodates of the alkaline earth metals (magnesium, calcium, strontium and barium) in all liquid solvents are presented in tabular format and critically evaluated. This is the first of four volumes in the Series covering the inorganic halates, and provides essential data on these important industrial reagents.

  • Index to Reviews, Symposia Volumes and Monographs in Organic Chemistry

    For the Period 1940-1960
    • 1 Edición
    • Norman Kharasch + 2 más
    • Inglés
    Index to Reviews, Symposia Volumes and Monographs in Organic Chemistry for the Period 1940-1960 presents a resume of published monographs, reviews, and symposia lectures in organic chemistry. The editors adopted the plan of listings by symposia volume or journal, backed up by the total subject and author indexes. In this way the user can readily locate a particular article through the author index or the subject index; or should he recall that an article appeared in a particular source, the chronological listing in that source can be scanned quickly. The Index gives a convenient overview of the accomplishments of organic chemists during this very prolific period of the growth of the field. Frequently, several articles on the same or similar subject appear, hence the historical perspective can be sensed by rapid evaluation of the reviews selected. This Index will be useful to research workers, teachers and students. It will also assist editors and authors to select specific areas which require critical review.

  • Advances in Liquid Crystals

    Volume 4
    • 1 Edición
    • Glenn H. Brown
    • Inglés
    Advances in Liquid Crystals, Volume 4 is a collection of papers that deals with liquid crystal sciences, particularly the flow problems in liquid crystals, the effects of high pressure on liquid crystals, lyotropic and thermotropic polymeric liquid crystals, and the light-scattering properties of thermotropic liquid crystals. One paper reviews the continuum theory in flow problems in liquid crystals, presents theoretical predictions, and compares these with associated observations. High-pressure experiments in liquid crystals pave the way for discoveries involving pressure-induced mesomorphism in certain materials, suppression of mesophases, tricritical phase transitions, and re-entrant behavior. Another paper describes the types of macromolecular structures that have a propensity for mesomorphism — linear, conventional types of polymers, such as block copolymers and graft copolymers. Another paper examines the application of light scattering in fluctuations that happens during the liquid crystalline phases. The paper investigates the assumption that light is scattered by inhomogeneities in the dialectric constant of the medium it is passing through. This collection can prove useful for scientists in liquid crystals, and industrial researchers in the field of advanced chemistry and physics.

  • Copper and Silver Halates

    • 1 Edición
    • Volumen 44
    • E.M. Woolley + 2 más
    • Inglés
    Copper and Silver Halates is the third in a series of four volumes on inorganic metal halates. This volume presents critical evaluations and compilations for halate solubilities of the Group II metals. The solubility data included in this volume are those for the five compounds, copper chlorate and iodate, and silver chlorate, bromate and iodate.

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