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Elsevier

Libros en Química

  • Organolithiums: Selectivity for Synthesis

    • 1 Edición
    • Volumen 23
    • Jonathan Clayden
    • Inglés
    This volume, number 23 in the "Tetrahedron Organic Chemistry" series, presents organolithium chemistry from the perspective of a synthetic organic chemist, drawing from the synthetic literature to present a unified overview of how organolithiums can be used to make molecules. The development of methods for the regioselective synthesis of organolithiums has replaced their image of indiscriminate high reactivity with one of controllable and subtle selectivity. Organolithium chemistry has a central role in the selective construction of C-C bonds in both simple and complex molecules, and for example has arguably overtaken aromatic electrophilic substitution as the most powerful method for regioselective functionalisation of aromatic rings. The twin themes of reactivity and selectivity run through the book, which reviews the ways by which organolithiums may be formed and the ways in which they react. Topics include advances in directed metallation, reductive lithiation and organolithium cyclisation reactions, along with a discussion of organolithium stereochemistry and the role played by ligands such as (-)-sparteine.

  • Organic Syntheses Based on Name Reactions

    • 2 Edición
    • Alfred Hassner + 1 más
    • Inglés

  • Organolithiums: Selectivity for Synthesis

    • 1 Edición
    • Volumen 23
    • Jonathan Clayden
    • Inglés
    This volume, number 23 in the "Tetrahedron Organic Chemistry" series, presents organolithium chemistry from the perspective of a synthetic organic chemist, drawing from the synthetic literature to present a unified overview of how organolithiums can be used to make molecules. The development of methods for the regioselective synthesis of organolithiums has replaced their image of indiscriminate high reactivity with one of controllable and subtle selectivity. Organolithium chemistry has a central role in the selective construction of C-C bonds in both simple and complex molecules, and for example has arguably overtaken aromatic electrophilic substitution as the most powerful method for regioselective functionalisation of aromatic rings. The twin themes of reactivity and selectivity run through the book, which reviews the ways by which organolithiums may be formed and the ways in which they react. Topics include advances in directed metallation, reductive lithiation and organolithium cyclisation reactions, along with a discussion of organolithium stereochemistry and the role played by ligands such as (-)-sparteine.

  • Organic Syntheses Based on Name Reactions

    • 2 Edición
    • Volumen 22
    • C Stumer + 1 más
    • Inglés

  • EPR in the 21st Century

    • 1 Edición
    • Asako Kawamori + 2 más
    • Inglés
    The Proceedings in this volume are a refereed selection of presentations from The Third Asia-Pacific EPR/ESR Symposium (APES'01), held in Kobe, Japan from October 29 to November 1, 2001. Participants from 20 countries from Asia, Australia, Europe, North and South America presented 210 papers, of which 132 are included here.These Proceedings are also a blueprint for development of electron paramagnetic resonance (EPR) / electron spin resonance (ESR) in the Asia-Pacific region in the 21st century. The Symposium reflected a variety of research fields developed over half a century and focuses especially on the most recent developments, such as high-field and high-frequency EPR, which are envisaged to be further developed and applied to various fields in the 21st century.All sessions consisted of Plenary, Invited and Contributed presentations. The Plenary presentations aimed at summarizing the overall developments. Invited presentations, reviewing the most recent developments, and Contributed ones, dealing with original research recently carried out in the EPR/ESR area, were given in one of three parallel sessions. The unique research works presented cover various fields and reflect the existing diversity of applications of the EPR/ESR techniques.

  • Phytochemistry in the Genomics and Post-Genomics Eras

    • 1 Edición
    • Volumen 36
    • John Romeo + 1 más
    • Inglés
    This monograph series is commissioned by the Phytochemical Society of North America (PSNA). The volumes in this series contain articles on developing topics of interest to scientists, students and individuals interested in recent developments in the biochemistry, chemistry and molecular biology of plants. Volume 36 centers on the role of phytochemistry in the rapid developments in biology brought about by the application of large-scale genomics approaches. Several functional genomic approaches discussed in this volume address plant gene function on a large scale. Plants are combinatorial chemists par excellence, and understanding the principles that relate enzyme structure to function will open up unlimited possibilities for the rational design of new enzymes to generate novel biologically active natural products. Knowledge of the molecular genetics of plant natural product pathways will also facilitate the engineering of these pathways for plant improvement and human benefit. Phytochemistry truly has a great future in the genomics and post-genomics eras.

  • Macrolide Antibiotics

    Chemistry, Biology, and Practice
    • 2 Edición
    • Satoshi Omura
    • Inglés
    Macrolide Antibiotics: Chemistry, Biochemistry, and Practice, Second Edition explores the discovery of new macrolide antibiotics, their function, and their clinical use in diseases such as cancer, AIDS, cystic fibrosis and pneumonia. This book discusses the creation of synthetic macrolides and the mechanisms of antibiotic activity. The uses for antimicrobial macrolides in clinical practice are also covered. This book is designed to appeal to both the basic and applied research communities interested in microbiology, bacteriology, and antibiotic/antifunga... research and treament.

  • Valence Bond Theory

    • 1 Edición
    • Volumen 10
    • David Cooper
    • Inglés
    Valence bond (VB) theory, which builds the descriptions of molecules from those of its constituent parts, provided the first successful quantum mechanical treatments of chemical bonding. Its language and concepts permeate much of chemistry, at all levels. Various modern formulations of VB theory represent serious tools for quantum chemical studies of molecular electronic structure and reactivity. In physics, there is much VB-based work (particularly in semi-empirical form) on larger systems. Importance of TopicThe last decade has seen significant advances in methodology and a vast increase in the range of applications, with many new researchers entering the field.Why This TitleValence Bond Theory succeeds in presenting a comprehensive selection of contributions from leading valence bond (VB) theory researchers throughout the world. It focuses on the vast increase in the range of applications of methodology based on VB theory during the last decade and especially emphasizes recent advances.

  • Biodiversity and Natural Product Diversity

    • 1 Edición
    • Volumen 21
    • F Pietra
    • Inglés

  • Biodiversity and Natural Product Diversity

    • 1 Edición
    • Volumen 21
    • F Pietra
    • Inglés
    This, the most recent contribution to the Tetrahedron Organic Chemistry series, provides an integrated evaluation of the diversity of natural products in relation to biodiversity. The ongoing exploitation of biological resources, while maintaining an effective equilibrium on Earth, depends much on the conservation of biodiversity. To this end, parts one and two focus on biodiversity from all viewpoints, while explaining the link with natural products. The third section concentrates on the molecular-shape level, as a link to ecosystem and biodiversity, while the fourth section tackles actual functionalization, as a link to biodiversity at species level. Part five addresses the diversification of these resources from biotechnology and chemical technology, while the final part is concerned with maintaining natural product diversity on Earth.

  • Sample Preparation in Chromatography

    • 1 Edición
    • Volumen 65
    • S.C. Moldoveanu + 1 más
    • Inglés
    Sample preparation is an essential step in many analyses. This book approaches the topic of sample preparation in chromatography in a methodical way, viewing it as a logical connection between sample collection and analytical chromatography. Providing a guide for choosing the appropriate sample preparation for a given analysis, this book describes various ways to process the sample, explaining the principle, discussing the advantages and disadvantages, describing the applicability to different types of samples, and showing the fitness to specific chromatographic determinations.The first part of the book contains an overview of sample preparation showing its relation to sample collection and to the core chromatographic analysis. The second part covers procedures that do not use chemical modifications of the analyte and includes methods for sample dissolution, concentration and cleanup designed mainly for modifying the initial matrix of the sample. This part starts with conventional separations such as filtration and distillation and finishes with more advanced techniques such as solid phase extraction and electroseparations. The third part gives a description of the chemical modifications that can be performed on a sample either for fractionation purposes or to improve a specific property of the analyte. This part includes derivatizations, polymer chemical degradations, and pyrolysis.

  • Advances in Heterocyclic Chemistry

    • 1 Edición
    • Volumen 82
    • Alan R. Katritzky
    • Inglés
    Established in 1960, Advances in Heterocyclic Chemistry is the definitive serial in the area-one of great importance to organic chemists, polymer chemists, and many biological scientists. Written by established authorities in the field, the comprehensive reviews combine descriptive chemistry and mechanistic insight and yield an understanding of how the chemistry drives the properties.

  • Optical Biosensors: Present & Future

    • 1 Edición
    • Frances S. Ligler + 1 más
    • Inglés

  • Topology in Chemistry

    Discrete Mathematics of Molecules
    • 1 Edición
    • D H Rouvray + 1 más
    • Inglés
    This volume addresses a number of topological themes of direct relevance to chemists. Topological concepts are now regularly applied in wide areas of chemistry including molecular engineering and design, chemical toxicology, the study of molecular shape, crystal and surface structures, chemical bonding, macromolecular species such as polymers and DNA, and environmental chemistry. Currently, the design and synthesis of new drugs and agrochemicals are of especial importance. The book's prime focus is on the role played by topological indices in the description and characterisation of molecular species. The Wiener index along with a variety of other major topological indices, are discussed with particular reference to the powerful and much used connectivity indices. In this book an international team of leading experts review their respective fields and present their findings.The considerable benefits offered by topological indices in the investigation of chemical problems in science, medicine, and industry are highlighted. The volume records proceedings of the Harry Wiener Memorial Conference on the Role of Topology in Chemistry, held at the University of Georgia in March 2001, and serves as a fitting tribute to the chemical contributions of the late Harry Wiener.

  • Absorbent Technology

    • 1 Edición
    • Volumen 13
    • P.K. Chatterjee + 1 más
    • Inglés
    This publication discusses the theoretical aspects of absorbency as well as the structure, properties and performance of materials. The chapters are arranged in an approach for the reader to advance progressively through fundamental theories of absorbency to more practical aspects of the technology. Topics covered include scientific principles of absorbency and structure property relationships; material technology including super absorbents, non-woven, natural and synthetic fibres and surfactants; absorbency measurement techniques and technology perspective. The reader is provided with current status information on technology and is also informed on important developments within the field.

  • Studies in Natural Products Chemistry

    Bioactive Natural Products (Part G)
    • 1 Edición
    • Volumen 26
    • Atta-ur Rahman
    • Inglés

  • Computational Quantum Chemistry

    An Interactive Introduction to Basis Set Theory
    • 1 Edición
    • Charles M. Quinn
    • Inglés
    Computational Quantum Chemistry removes much of the mystery of modern computer programs for molecular orbital calculations by showing how to develop Excel spreadsheets to perform model calculations and investigate the properties of basis sets. Using the book together with the CD-ROM provides a unique interactive learning tool. In addition, because of the integration of theory with working examples on the CD-ROM, the reader can apply advanced features available in the spreadsheet to other applications in chemistry, physics, and a variety of disciplines that require the solution of differential equations.This book and CD-ROM makes a valuable companion for instructors, course designers, and students. It is suitable for direct applications in practical courses in theoretical chemistry and atomic physics, as well as for teaching advanced features of Excel in IT courses.

  • Organic Chemistry of Enzyme-Catalyzed Reactions, Revised Edition

    • 2 Edición
    • Richard B. Silverman
    • Inglés
    The Organic Chemistry of Enzyme-Catalyzed Reactions is not a book on enzymes, but rather a book on the general mechanisms involved in chemical reactions involving enzymes. An enzyme is a protein molecule in a plant or animal that causes specific reactions without itself being permanently altered or destroyed. This is a revised edition of a very successful book, which appeals to both academic and industrial markets.

  • Recent Advances in Hydride Chemistry

    • 1 Edición
    • Maurizio Peruzzini + 1 más
    • Inglés
    This book has been conceived to collect the most important recent advances in all areas of hydride chemistry research, including chemical reactivity, instrumental investigation, theory, and applications in the areas of catalysis, biochemistry and materials science.Many of the chapters have been written by the plenary lecturers of the EURO-Hydrides 2000 conference, but other leading scientists in this field have also been invited to contribute.The first part of the book focuses on the chemistry and catalysis of transition metal hydrides.Another block of chapters illustrates the most recent advances in the application of instrumental techniques to the study of the properties and reactivity of hydride compounds.The final part of the book illustrates the relevance of metal-hydrogen bonds in biochemistry and materials science.All of the chapters of this book have been evaluated by independent reviewers.

  • Advances in Carbohydrate Chemistry and Biochemistry

    • 1 Edición
    • Volumen 57
    • Inglés
    Since its inception in 1945, this serial has provided critical and integrating articles written by research specialists who integrate industrial, analytical, and technological aspects of biochemistry, organic chemistry, and instrumentation methodology in the study of carbohydrates. The articles provide a definitive interpretation of the current status and future trends in carbohydrate chemistry and biochemistry.

  • Handbook of Industrial Crystallization

    • 2 Edición
    • Allan Myerson
    • Inglés
    Crystallization is an important separation and purification process used in industries ranging from bulk commodity chemicals to specialty chemicals and pharmaceuticals. In recent years, a number of environmental applications have also come to rely on crystallization in waste treatment and recycling processes.The authors provide an introduction to the field of newcomers and a reference to those involved in the various aspects of industrial crystallization. It is a complete volume covering all aspects of industrial crystallization, including material related to both fundamentals and applications. This new edition presents detailed material on crystallization of biomolecules, precipitation, impurity-crystal interactions, solubility, and design.

  • Advances in Heterocyclic Chemistry

    • 1 Edición
    • Volumen 81
    • Alan R. Katritzky
    • Inglés
    Established in 1960, Advances in Heterocyclic Chemistry is the definitive serial in the area-one of great importance to organic chemists, polymer chemists, and many biological scientists. Written by established authorities in the field, the comprehensive reviews combine descriptive chemistry and mechanistic insight and yield an understanding of how the chemistry drives the properties.

  • Surfactants: Chemistry, Interfacial Properties, Applications

    • 1 Edición
    • Volumen 13
    • D. Möbius + 2 más
    • Inglés
    This publication provides comprehensive material on the chemical and physical attributes of surfactants and new models for the understanding of structure-property relationships. Surfactants Chemistry, Interfacial Properties, Applications provides efficient instruments for the prognostication of principal physicochemical properties and the technologic applicability from the structure of a surfactant through the discussion of interrelations between the chemical structure, physicochemical properties and the efficiency of technologic application.Also included are informative overviews on new experimental techniques and abundant reference material on manufacturers, nomenclature, product properties, and experimental examples. The publication is accompanied by a CD-ROM, which is needed for the application of the thermodynamic and kinetic models to experimental data.

  • Advances in Gas Phase Ion Chemistry

    • 1 Edición
    • Volumen 4
    • L.M. Babcock + 1 más
    • Inglés
    Gas phase ion chemistry is a broad field that has many applications and which encompasses various branches of chemistry and physics. Advances in Gas Phase Ion Chemistry, Volume 4, describes innovative ways of studying reactions as well as the application of unique apparatuses to problems in this field. This volume contains a series of chapters, in the general area of gas phase chemistry and physics, which are at the cutting edge of research. The chapters are not meant to be general reviews, but focus on the author's own work. They focus on both experimental and theoretical work, which gives a balance to the volume. Applications are included to appeal to a wider audience and to broaden the knowledge of the more fundamentally inclined. An application to environmental pollution monitoring and medical monitoring of breath is included. With successive volumes, the coverage broadens to include more current research in the title area. The book is aimed at graduate researchers, university faculty and graduates in industry. The editors have made a specific effort to include contributions from those relatively new to the field, which brings in new ideas and perspectives, as well as those more established workers, who bring a wealth of experience.

  • Colloid and Surface Chemistry

    • 1 Edición
    • Volumen 12
    • E.D. Shchukin + 3 más
    • Inglés
    This book covers major areas of modern Colloid and Surface Science (in some countries also referred to as Colloid Chemistry) which is a broad area at the intersection of Chemistry, Physics, Biology and Material Science investigating the disperse state of matter and surface phenomena in disperse systems. The book arises of and summarizes the progress made at the Colloid Chemistry Division of the Chemistry Department of Lomonosov Moscow State University (MSU) over many years of scientific, pedagogical and methodological work. Throughout the book the presentation of fundamental theoretical and experimental approaches and results is combined with discussion of general scientific basis of their role in nature and applications in various technological processes.

  • Chromatography-A Century of Discovery 1900-2000.The Bridge to The Sciences/Technology

    • 1 Edición
    • Volumen 64
    • Inglés
    Chromatography - A Century of Discovery 1900-2000 represents the combined thinking and contributions of many chromatographers. It includes several in-depth feature chapters covering the Beginnings of Chromatography, which highlights M.S. Tswett, the inventor of chromatography, and several other early pioneers. Included are the contributions of several Nobel Laureates,and 125 Chromatography Award Winners and contributors, an extensive bibliography of publications on the History of the Evolution of Chromatography; a presentation of Major International Symposia supporting chromatography and as a bridge to selected sciences. Special chapters are written by well-known Chromatographers on Support and Stationary Phases, and Separations followed by a chapter on Milestones and Paradigm Shifts in Science. New discoveries in the life sciences and medicine, agriculture, the environment and separations technology in the 21st century will rely immeasurably on the 20th century research tools in chromatography and those yet to be developed.

  • Alkaloids: Chemical and Biological Perspectives

    • 1 Edición
    • Volumen 15
    • S.W. Pelletier
    • Inglés
    Alkaloids: Chemical and Biological Perspectives, the 15th volume of the ACBP series, features four important reviews of research on alkaloids. Chapter 1 is the first comprehensive review of the carbon-13 and proton NMR shift assignments and physical constants of diterpene alkaloids and their derivatives. In addition to the catalogue of spectral and physical data, the chapter includes a table of the occurrences of these alkaloids in various plant species, tables containing molecular formulas versus calculated high-resolution mass values, and calculated high-resolution mass values versus the molecular formulas of diterpenoid alkaloids, as well as seven tables summarizing the carbon-13 chemical shifts of various functional groups in diterpenoid alkaloids. Chapter 2 is a fascinating review of the supercritical fluid extraction of alkaloids. This technique using basic modifiers, provides an alternative method for the extraction of alkaloids.Chapter 3 summarizes recent advances in the synthesis of Amaryllidaceae alkaloids, an important class of naturally-occurring bases and neutral compounds. The increased activity in the synthesis of these alkaloids over the last decade is undoubtedly due to the fact that certain members of this family possess interesting and useful biological properties. Elegant syntheses, chiral and otherwise, of structures incorporating many asymmetric centres are reviewed.Chapter 4 reviews radical cyclization reactions in the total synthesis of indole alkaloids. The use of free radical chemistry in the synthesis of alkaloids has grown markedly because of the mild reaction conditions, tolerance of a wide variety of functional groups, and the good stereoselectivities.... chapter in this volume has been reviewed by at least one specialist in the field.

  • Advances in Organometallic Chemistry

    • 1 Edición
    • Volumen 48
    • Robert C. West + 1 más
    • Inglés
    Almost all branches of chemistry and material science now interface with organometallic chemistry-the study of compounds containing carbon-metal bonds. Organometallic compounds range from species which are so reactive that they only have a transient existence at ambient temperatures to species which are thermally very stable. This widely acclaimed serial contains authoritative reviews that address all aspects of organometallic chemistry, a field which has expanded enormously since the publication of Volume 1 in 1964.

  • Oxide-based Systems at the Crossroads of Chemistry

    • 1 Edición
    • Volumen 140
    • C. Colella + 2 más
    • Inglés
    This volume includes papers presented at the second International Workshop on Oxide-based Systems at the Crossroads of Chemistry, held at Villa Olmo in Como, Italy, 8-11 October.The selected papers present the highlights of recent research in the field of oxide structure. A wide range of oxidic materials, including real oxides, zeolites and layer-structured systems, is considered and described in terms of preparation methods, structural characterization and the relation between active sites, structure and catalytic properties. The application of the most powerful simulation and physical-chemical techniques show their usefulness in discovering and explaining structural and dynamic properties of complex materials. Moreover the development of sophisticated spectroscopical and analytical techniques are shown to significantly improve the growth of surface oxide science, generating new tools for the knowledge of catalyst structure and reaction mechanisms. An interesting feature is the inclusion of papers which show the mutual roles of experiment and theoretical models.

  • Atomic and Molecular Photoabsorption

    Absolute Total Cross Sections
    • 1 Edición
    • Joseph Berkowitz
    • Inglés
    Atomic and Molecular Photoabsorption, Volume 1 describes and catalogs available spectral information relevant to how common gases interact with sunlight and other sources of electromagnetic radiation such as x-rays, flames, and plasmas. Photoabsorption is light's reduction in intensity and force when it passes through a column of gas or liquid. This book also includes a large number of data tables and figures that are invaluable to researchers because they help them select exactly which wavelengths to use in their experiments. The further distinguishing aspect of this book is its synthesis across a broad spectrum of wavelengths and compilation of data for a large number of atoms and molecules.

  • Biomarkers in Marine Organisms

    A Practical Approach
    • 1 Edición
    • Ph. Garrigues + 3 más
    • Inglés
    Many previous studies and books have been dedicated to fundamental and developmental aspects of biomarkers. The purpose of this book is to provide, through various case studies, an overview of the practical use of biological markers in marine animals to evaluate the health effects of environmental contamination in marine ecosystems.More precisely, the book presents the results obtained during the development and application of biological markers as indicators of exposure/effect to toxic chemicals in marine environments, using diverse sentinel species such as fish, bivalves and crustaceans. An important aspect is also the publication of technical annexes that describe in detail the experimental procedures developed for both chemical and biochemical measurement.

  • Radiochemistry and Nuclear Chemistry

    • 3 Edición
    • Gregory Choppin + 2 más
    • Inglés
    Radiochemistry or Nuclear Chemistry is the study of radiation from an atomic or molecular perspective, including elemental transformation and reaction effects, as well as physical, health and medical properties. This revised edition of one of the earliest and best known books on the subject has been updated to bring into teaching the latest developments in research and the current hot topics in the field. In order to further enhance the functionality of this text, the authors have added numerous teaching aids that include an interactive website that features testing, examples in MathCAD with variable quantities and options, hotlinks to relevant text sections from the book, and online self-grading texts. As in the previous edition, readers can closely follow the structure of the chapters from the broad introduction through the more in depth descriptions of radiochemistry then nuclear radiation chemistry and finally the guide to nuclear energy (including energy production, fuel cycle, and waste management).

  • The Proteome Revisited

    Theory and Practice of all Relevant Electrophoretic Steps
    • 1 Edición
    • Volumen 63
    • A. Stoyanov + 2 más
    • Inglés
    The book deals with the theory and practice of all electrophoretic steps leading to proteome analysis, i.e. isoelectric focusing (including immobilized pH gradients), sodium dodecyl sulphate electrophoresis (SADS-PAGE) and finally two-dimensional maps. It is a reasoned collection of all modern, relevant, up-to-date methodologies leading to successful fractionation, analysis and characterization of every polypeptide spot in 2-D map analysis. It includes chapters on the most sophisticated mass spectrometry developments and it helps the reader in navigating through the most important databases in proteome analysis, including step by step tours in selected sites. Yet, this book's unique strength and feature is the fact that it combines not only practice (in common with any other book on this topic) but also theory, by giving a detailed treatment on the most advanced theoretical treatments of steady-state techniques, such as isoelectric focusing and immobilized pH gradients. A lot of this theory is newly developed and presented to the public for the first time. Thus, this book should satisfy not only the needs of every day practitioners, but also the desires of the most advanced theoreticians in the field, who will surely appreciate the novel theories presented here. Also the methodological section contains several as yet unpublished protocols, correcting some of the existing ones and showing the pitfall and limitations of even well ingrained protocols in proteome analysis, which are here critically re-evaluated for the first time.

  • Advances in Carbene Chemistry, Volume 3

    • 1 Edición
    • U.H. Brinker
    • Inglés
    Our understanding of carbene chemistry has advanced dramatically, especially in the last decade, and new developments continue to emerge. Some of the recent exciting findings have been collected in the first and second volumes of Advances in Carbene Chemistry. With the third volume, the series continues to provide a periodic coverage of carbene chemistry in its broadest sense. Beginning as chemical curiosities, carbenes are now solidly established as reactive intermediates with fascinating and productive research areas of their own. Five decades of divalent carbon chemistry have provided us with a vast repertoire of new, unusual, and surprising reactions. Some of those reactions, once classified as exotic, have become standard methods in organic synthesis. These highly reactive carbene species have been harnessed and put to work to achieve difficult synthetic tasks other reactive intermediates cannot easily perform. The fruitful relationship between experiment and theory has pushed carbene chemistry further toward the direction of reaction control; that is, regio- and stereoselectivity in intra- and intermolecular addition and insertion reactions. The interplay between experiment and modern spectroscopy has led to the characterization of many carbenes that are crucial to both an understanding and further development of this field.

  • Progress in Heterocyclic Chemistry

    A Critical Review of the 2000 Literature Preceded by Two Chapters on Current Heterocyclic Topics
    • 1 Edición
    • Volumen 13
    • G.W. Gribble + 1 más
    • Inglés
    This volume of Progress in Heterocyclic Chemistry(PHC) is the thirteenth annual review of the literature, covering the work published on important heterocyclic ring systems during 2000. In this volume there are two specialized reviews. The first, by H. Ila, H. Junjappa and P.K. Mohanta, covers their work on annulation using ∝-oxoketene dithioacetals, a synthetic method that provides useful routes to an impressively wide range of fused heterocycles. The second, by R. N. Warrener, is on the synthesis of fused 7-azanorbornanes. The 7-azanorbornane structural unit is incorporated into a series of elegant polycyclic molecules with rigid geometry. The subsequent chapters, arranged by increasing heterocycle ring size, review recent advances in the field of heterocyclic chemistry with emphasis on synthesis and reactions.

  • Advances in Surface Science

    • 1 Edición
    • Volumen 38
    • Inglés
    Surface science has a wide range of applications that include semiconductor processing, catalysis, vacuum technology, microelectronics, flat-panel displays, compact disks, televisions, computers, environmental monitoring of pollutants, biomaterials, artificial joints, soft tissues, food safety, pharmacy, and many more.This volume is intended for upper-level undergraduate and graduate students in universities, individual research groups and researchers working on surfaces of materials. It is of interest to chemists, solid-state physists, materials scientists, surface chemists, polymer scientists, electrical engineers, chemical engineers, and everyone involved in materials science.

  • Advances in Clinical Chemistry

    • 1 Edición
    • Volumen 36
    • Inglés
    For more than thirty years, this serial has broadened the technical scope and expanded the scientific base of clinical chemistry. These volumes clarify the areas of molecular biology and informatics and the monitoring of physiological parameters in critical situations as they pertain to clinical chemistry. Each volume of Advances in Clinical Chemistry contains an index, and each chapter includes references.

  • Analytical Profiles of Drug Substances and Excipients

    • 1 Edición
    • Volumen 28
    • Inglés
    Although the official compendia define a drug substance by its identity, purity, strength, and quality, they normally do not provide other physical or chemical data, nor do they list methods of synthesis or pathways of physical or biological degradation and metabolism. Such information is scattered throughout the scientific literature and the files of pharmaceutical laboratories.Edited by the Associate Director of Analytical Research and Development for the American Association of Pharmaceutical Scientists, Analytical Profiles of Drug Substances and Excipients brings this information together in one source. The scope of the series has recently been expanded to include profiles of excipient materials.

  • Scaling Down in Electrochemistry

    Electrochemical Micro- and Nanosystem Technology
    • 1 Edición
    • J.W. Schultze + 1 más
    • Inglés
    This Proceedings contains the papers presented at the third International Symposium on "Electrochemical Microsystem Technologies", held in Garmisch-Partenkirch... on 11-15 September 2000. The papers in this Special Issue are based on the 90 presentations given. In all, 45 papers were accepted, covering many diverse topics, demonstrating the many advances throughout. Due to their emphasis on different fields, they are arranged as follows: Introduction and Fundamentals, Microgalvanics and Microstructuring, Micromaterials and Surface Analysis, Corrosion/Surface Modification, Microanalysis and Applications in Biology, and Nanoelectrochemistry...

  • Radiation Chemistry

    Present Status and Future Trends
    • 1 Edición
    • Volumen 87
    • C.D. Jonah + 1 más
    • Inglés
    During the twentieth century, radiation chemistry emerged as a multi-faceted field encompassing all areas of science. Radiation chemical techniques are becoming increasingly popular and are being routinely used not only by chemists but also by biologists, polymer scientists, etc. "Radiation Chemistry: Present Status and Future Trends" presents an overall view of the different aspects of the subject. The chapters review the current status of the field and present the future opportunities in utilizing radiation chemical techniques. This will be of interest to chemists in general and in particular to radiation chemists, chemical kineticists, photochemists, physical-organic chemists and spectroscopists. In view of the diverse nature of the field, the book is a multi-authored effort by several experts in their particular areas of research. Six main areas, both basic and applied, were identified and the book is organized around them. The topics were selected in terms of their relative importance and the contribution of radiation chemistry to the general areas of chemistry, biology and physics. The topics covered are as diverse as gas phase radiation chemistry, the use of radiation chemical techniques, the treatment of water pollutants, the chemical basis of radiation biology, and muonium chemistry. The book also contains an update of the next generation electron accelerators.

  • Spillover and Mobility of Species on Solid Surfaces

    • 1 Edición
    • Volumen 138
    • A. Guerrero-Ruiz + 1 más
    • Inglés
    "Spillover and Mobility of Species and Solid Surfaces" collects the papers which were presented at the Fifth International Conference Spillover, either as oral or poster contributions, as well as the summaries of the invited lectures. This congress and its publication in the Studies on Surface Science and Catalysis series follow the tradition of previous conferences on spillover, initiated in Lyon, 1983, and continued in Leipzig, 1989, Kyoto 1993 and Dalian, 1997. For the fifth conference, held in S.L. el Escorial (Madrid), the organising committee has attempted to compile representative contributions which illustrate the advances in understanding the spillover phenomenon since 1997. Spillover is a process taking place during the interface of gas reactant molecules (mainly hydrogen and oxygen) on solid surfaces. However, different contributions to the more general area of the chemistry at surfaces, related with the mobility and migration of species, diffusion through membranes, fuel cell catalysts, etc., have also been included. In fact the title of the present volume summarizes this attempt to extend the conference topics towards dynamics at surfaces.Among the 70 contributions received, the 56 accepted papers were selected on the basis of the reports of at least two international reviewers, according to standards comparable to those applied for other specialised journals. These papers are from 21 different countries.

  • Phosphorus-Carbon Heterocyclic Chemistry

    The Rise of a New Domain
    • 1 Edición
    • Mathey
    • Inglés
    This volume comprehensively examines the synthesis, spectroscopic properties, reactivity and catalytic applications of all phosphorus-carbon heterocycles. The most significant phosphorus heterocycles incorporating other heteroatoms, such as heterophospholes and heterophosphinines, are also covered. The introductory chapter describes the rise of this field that has developed, over the years, into the fourth major branch of heterocyclic chemistry. Written by several founders of the field, this book should prove a useful reference work within the domain for years to come and provide the basis for courses on heterocyclic chemistry and homogenous catalysis. All those interested in phosphorus heterocycles for applications in co-ordination chemistry, homogenous catalysis, molecular materials and biochemistry, should find this volume useful.

  • Sun Protection in Man

    • 1 Edición
    • Volumen 3
    • P.U. Giacomoni
    • Inglés
    "Sun Protection in Man" looks at the beneficial and harmful effects of solar radiation. The physiological consequences of sun exposure have been systematically studied starting at the end of the nineteenth century and we now have accumulated knowledge about how Caucasian and Asian skins reacts to solar radiation. The chemical effects of solar ultraviolet radiation have been analyzed with particular emphasis during the second half of the twentieth century. Research on micro-organisms has allowed us to understand the mechanisms of UV-induced mutagenesis and photosensitization. Studies with laboratory rodents have opened the path to the understanding of UV-induced immune-depression, carcinogenesis, photo-damage and photo-aging. The results of these studies have enabled other scientists to investigate the same phenomena in human organs such as the skin and the eye. UV radiation damages hair, as well. The present knowledge in these fields is summarized in some of the chapters of this monograph.Mass phenomenon in Europe with the generalization of summer vacations which were a consequence of social reforms introducing the concept of "paid vacations". This created a need for protection and opened a market for sunscreens. This monograph is concerned with sun protection as a whole and is not just "another book on sunscreens". Nonetheless, in these days of general concern, it is important to learn about the efficiency of sunscreens. Several authors discuss how to reduce the number of impinging photons and explain why sunscreens seem to offer less protection than expected. Guidelines are given on how to use sunscreens in everyday life, which are expressed rigorously though clearly, for access to the common reader.Our knowledge on the relationship between sun and humans is at the early stages of development. Industrial and commercial activities are concerned by the development of this knowledge, and rules have been and will be promulgated to guarantee efficacy and safety of sun-products. It is hoped that this monograph will be of interest to the scholar, the layman and the legislator.

  • Advances in Heterocyclic Chemistry

    • 1 Edición
    • Volumen 79
    • Inglés
    Established in 1960, Advances in Heterocyclic Chemistry is the definitive serial in the area-one of great importance to organic chemists, polymer chemists, and many biological scientists. Written by established authorities in the field, the comprehensive reviews combine descriptive chemistry and mechanistic insight and yield an understanding of how the chemistry drives the properties.

  • Regulation of Phytochemicals by Molecular Techniques

    • 1 Edición
    • Volumen 35
    • J.A. Saunders + 2 más
    • Inglés
    The papers assembled in this volume were originally presented at the joint meeting of the Phytochemical Society of North America and the Mid-Atlantic Plant Molecular Biology Society, in August 2000. The symposium from which these chapters were prepared was entitled "Regulation of Phytochemicals by Molecular Techniques" and was organised by James Saunders and Ben Matthews. This joint meeting was timely because of recent landmark advances in molecular biology and genomics as well as the renewed interest in phytochemistry as a rich source of nutraceuticals, drugs, and alternatives to synthetic agriculture pesticides. Progress in genome sequencing in plants such as Arabidopsis and rice has been remarkable, as have expressed sequence tag (EST) projects in other plants, including maize and soybean. Recently, private and public sector participants of the Human Genome Project announced that a rough draft of the human genome has been constructed. These advances directly influence phytochemical investigations by providing both insight and tools for exploring and manipulating genomes.The chapters cover a wide range of applications from molecular biology to phytochemistry, and from basic studies on promoters and gene expression to pathway regulation and engineering with transformed plants. A number of noteworthy aspects emerge from this volume: applications of molecular biology to phytochemical practical problems are succeeding; newly emerging molecular tools promise to open new doors to discovery; and remarkable progress has already occurred in phytochemical pathway engineering.

  • Advances in Organometallic Chemistry

    • 1 Edición
    • Volumen 47
    • Inglés
    Almost all branches of chemistry and material science now interface with organometallic chemistry-the study of compounds containing carbon-metal bonds. Organometallic compounds range from species which are so reactive that they only have a transient existence at ambient temperatures to species which are thermally very stable. This widely acclaimed serial contains authoritative reviews that address all aspects of organometallic chemistry, a field which has expanded enormously since the publication of Volume 1 in 1964.

  • Advanced Organic Chemistry

    Reaction Mechanisms
    • 1 Edición
    • Reinhard Bruckner
    • Inglés
    A best-selling mechanistic organic chemistry text in Germany, this text's translation into English fills a long-existing need for a modern, thorough and accessible treatment of reaction mechanisms for students of organic chemistry at the advanced undergraduate and graduate level. Knowledge of reaction mechanisms is essential to all applied areas of organic chemistry; this text fulfills that need by presenting the right material at the right level.

  • Advances in Metal and Semiconductor Clusters

    Metal Ion Solvation and Metal-Ligand Interactions
    • 1 Edición
    • Volumen 5
    • M.A. Duncan
    • Inglés
    In previous volumes in this series, Advances in Metal and Semiconductor Clusters, the focus has been on atomic clusters of metals, semiconductors and carbon. Fundamental gas phase studies have been surveyed, and most recently scientists have explored new materials which can be produced from clusters or cluster precursors. In this latest volume, the focus shifts to clusters composed primarily of non-metal molecules or atoms which have one or more metal atoms seeded into the cluster as an impurity. These clusters provide model systems for metal ion solvation processes and metal-ligand interactions.Metal-l... bonding underlies the vast fields of organometallic chemistry, transition metal chemistry and homogeneous catalysis. Catalytic activity, ligand displacement reactions and photochemical activity depend on the specific details of metal-ligand bonding. Likewise, metal ions are ubiquitous in chemistry and biology and weaker electrostatic interactions play a leading role in their function. In solution, metals exist in different charge states depending on the conditions, and the solvation environment strongly influences their chemistry. Many enzymes have metal ions at their active sites, and electrostatic interactions influence the selectivity for metal ion transport through cell membranes. Metal ions (e.g., Mg+, Ca+) are deposited into the earth's atmosphere by meteor ablation, resulting in a rich variety of atmospheric chemistry. Similarly, metal ions ( Mg+) have been observed in planetary atmospheres and in the impact of the comet Shoemaker-Levy 9 on Jupiter. In various circumstances, the electrostatic interactions of metal ions determine the outcome of significant chemistry. Cluster chemistry has made significant contributions to the understanding of these stronger metal ligand interactions and weaker metal ion solvation interactions. In this volume, the authors explore a variety of work in these general areas, where new cluster science techniques in the gas phase have made it possible to synthesize new kinds of complexes with metals and to measure their properties in detail.

  • Solution NMR of Paramagnetic Molecules

    Applications to Metallobiomolecules and Models
    • 1 Edición
    • Volumen 2
    • Ivano Bertini + 2 más
    • Inglés
    NMR is a growing technique which represents a generalized, spread, common tool for spectroscopy and for structural and dynamic investigation. Part of the field of competence of NMR is represented by molecules with unpaired electrons, which are called paramagnetic. The presence of unpaired electrons is at the same time a drawback (negative effect) and a precious source of information about structure and dynamics. New phenomena and effects are described which are due to the high magnetic fields and advances in the methodology. Solution NMR of Paramagnetic Molecules is unique in dealing with these matters. The scope is that of presenting a complete description, which is both rigorous and pictorial, of theory and experiments of NMR of paramagnetic molecules in solution. Pertinent examples are described. From the time dependent behaviour of electrons in the various metal ions including polimetallic systems to the hyperfine-based information, and from NMR experiments to constraints for solution structure determination. The book's major theme is how to perform high resolution NMR experiments and how to obtain structural and dynamic information on paramagnetic metal ion containing systems.

  • Aluminium and Alzheimer's Disease

    The Science that Describes the Link
    • 1 Edición
    • C. Exley
    • Inglés
    The subject of aluminium and Alzheimer's disease has been plagued with controversy. This controversy has served to obscure much of the scientific research in this field, and subsequently has obscured the possibility that aluminium is a contributory factor in the aetiology of Alzheimer's disease. This book brings together many of the world's leading scientists researching aluminium and life and contains their critical summaries on the known facts about aluminium toxicity in man and to offer an opinion on the implications of this knowledge on a link between aluminium and Alzheimer's disease. The subject areas of the chapters were chosen to reflect the myriad of ways that aluminium is known to impact upon mammalian physiology and function and range from clinical studies, through animal models of disease to the detailed biochemistry of aluminium toxicity. Chapters are also included on epidemiology and other factors involved in the aetiology of Alzheimer's.This is the first time that this subject has been treated in such a comprehensive manner. The research detailed in each chapter, includes the latest research in the field, it has been critically appraised and this appraisal has been used by each author to present an informed opinion of its relevance to aluminium and Alzheimer's disease. The chapters are much more than reviews; they are a statement of the state of the art and of what the future may hold for research in this field. As a whole they show the high quality of research that has been carried out in our efforts to understand the toxicity of aluminium in man and that we are far away from discounting the possibility that aluminium is a contributory factor in the aetiology of Alzheimer's disease.

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