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Books > Science & Mathematics > Chemistry > Inorganic chemistry > General

Facets of Modern Biogeochemistry - Festschrift for E.T. Degens (Paperback, Softcover reprint of the original 1st ed. 1990):... Facets of Modern Biogeochemistry - Festschrift for E.T. Degens (Paperback, Softcover reprint of the original 1st ed. 1990)
Venugopalan Ittekkot, Stephan Kempe, Walter Michaelis, Alejandro Spitzy
R2,935 Discovery Miles 29 350 Ships in 10 - 15 working days

Scientists who have had the opportunity of being associated with Professor Egon T. Degens, to whom this Festschrift is devoted, have been influenced by his ideas on subjects as varied as: extraterrestrial organic matter, origin of life, evolution of organisms, isotope biogeochemistry down to more imminent ones such as the carbon cycle and its implications on climate. This variety is also reflected in the papers in the present volume contributed by colleagues who have known Egon or have worked with him. Egon Theodor Degens was born on April 16, 1928 at Inden, Germany and had his education in Bonn and Wiirzburg. After a stint at the Pennsylvania State University he returned to Wiirzburg to help set up one of the first organic geochemistry laboratories in the world. This laboratory was the breeding ground for some of the eminent organic geochemists at work today. Later, he joined the California Institute of Technology and began his work on stable carbon isotopes, and later on biogeochemical compounds in natural waters. From California he moved on to the east coast, which led to yet another productive phase at the Woods Hole Oceanographic Institution. He was instrumental in the pioneering work carried out by the Woods Hole scientists in the Black Sea which is the largest anoxic basin in the world, and in the Red Sea where the first hydrothermal ore deposits on the seafloor were discovered.

The Coordination Chemistry of Metalloenzymes - The Role of Metals in Reactions Involving Water, Dioxygen and Related Species... The Coordination Chemistry of Metalloenzymes - The Role of Metals in Reactions Involving Water, Dioxygen and Related Species (Paperback, Softcover reprint of the original 1st ed. 1983)
I. Bertini, R.S. Drago, C. Luchinat
R4,384 Discovery Miles 43 840 Ships in 10 - 15 working days

Assembling a program in bioinorganic chemistry that is scientifi cally relevant, well defined, and self-consistent is not an easy task. In this attempt we decided to consider zinc enzymes, copper oxidases, cytochromes and cytochrome oxidase. The choice is in part due to the great attention that the current specialized literature devotes to these topics, which are now debated among chemists, biochemists, biophysicists, etc .. We believe that hydration reactions, hydrolytic and oxidative processes have much in common from the point of view of the reaction mechanisms, the comprehension of which represents a frontier of science. For these reasons these topics have been the subject of the NATO-ASI held at San Miniato, Pisa, Italy, from May 28 to June 8, 1982. We hope we can transfer here the main conclusions of what (we believe) was a very stimulating scientific meeting. We would like to thank the local saving bank, Cassa di Risparmio di San Miniato, for helping in many ways. The financial contribution from the European Research Office of the US Army, and from the Bruker Spectrospin s.r.l., Italy, is also acknowledged. The National Science Foundation of the United States has provided a travel grant to one of the participants from the U.S.A. We are grateful to the NATO Scientific Affairs Division which provided a grant to finance this Institute."

Physical Chemistry of Inorganic Crystalline Solids (Paperback, Softcover reprint of the original 1st ed. 1986): Hugo F. Franzen Physical Chemistry of Inorganic Crystalline Solids (Paperback, Softcover reprint of the original 1st ed. 1986)
Hugo F. Franzen
R1,493 Discovery Miles 14 930 Ships in 10 - 15 working days

The field of Physical Chemistry has developed through the application of theories and concepts developed by physicists to properties or processes of interest to chemists. Physicists, being principally concerned with the basic ideas, have generally restricted their attention to the simplest systems to which the concepts applied, and the task of applying the techniques and theories to the myriad substances and processes that comprise chemistry has been that of the physical chemists. The field of Solid State Chemistry has developed with a major impetus from the synthetic chemists who prepared unusual, novel materials with the principal guid ing ideas growing out of an understanding of crystal structure and crystal structure relationships. The novel materials that pour forth from this chemical cornucopia cry out for further characterization and interpretation. The major techniques for the characterization and interpretation of crystalline solids have been developed in the fields of Solid State Physics and Crystallography. Thus, the need arose for expanding the realm of Physical Chemistry from its traditional concern with molecules and their properties and reactions to include the physics and chemistry of crystalline solids. This book deals with the applications of crystallography, group theory and thermodynamics to problems dealing with non molecular crystalline solids."

Solid-State NMR IV Methods and Applications of Solid-State NMR - Methods and Applications of Solid-State NMR (Paperback,... Solid-State NMR IV Methods and Applications of Solid-State NMR - Methods and Applications of Solid-State NMR (Paperback, Softcover reprint of the original 1st ed. 1994)
B. Blumich; Contributions by A.E. Bennett, B. F. Chmelka, H. Eckert, R.G. Griffin, …
R4,325 Discovery Miles 43 250 Ships in 10 - 15 working days

Solid-State NMR is a branch of Nuclear Magnetic Resonance which is presently experiencing a phase of strongly increasing popularity. The most striking evidence is the large number of contributions from Solid-State Resonance at NMR meetings, approaching that ofliquid state resonance. Important progress can be observed in the areas of methodological developments and applications to organic and inorganic matter. One volume devoted to more or less one of each of these areas has been published in the preceding three issues. This volume can be considered an addendum to this series. Selected methods and applications of Solid-State NMR are featured in three chapters. The first one treats the recoupling of dipolar interactions in solids, which are averaged by fast sample rotation. Following an introduction to effective Hamiltonians and Floquet theory, different types of experiment such as rotary resonance, dipolar chemical shift correlation spectroscopy, rotational resonance and multipulse recoupling are treated in the powerful Floquet formalism. In the second chapter, the different approaches to line narrowing of quadrupolar nuclei are reviewed in a. consistent formulation of double resonance (DaR) and dynamic angle spinning (DAS). Practical aspects of probe design are considered as well as advanced 2D experiments, sensitivity enhancement techniques, and spinning sideband manipulations. The use of such techniques dramatically increases the number of nuclei which can be probed in high resolution NMR spectroscopy. The final chapter describes new experimental approaches and results of structural studies of noncrystalline solids."

Solid-State NMR I Methods - Methods (Paperback, Softcover reprint of the original 1st ed. 1994): B. Blumich Solid-State NMR I Methods - Methods (Paperback, Softcover reprint of the original 1st ed. 1994)
B. Blumich; Contributions by B. Blumich, P. Blumler, B. F. Chmelka, G Fleischer, …
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

1. A.-R. Grimmer, Berlin, FRG; B. Bl}mich, Aachen, FRG: Introduction to Solid-State NMR 2. F. Laupretre, Paris, France: High-Resolution 13C NMRInvestigations of Local Dynamics in Bulk Polymers at Temperatures Below andAbove the Glass-Transition Temperature 3. D. Raftery, Philadelphia, PA;B.F. Chmelka, Santa Barbara, CA: Xenon NMR Spectroscopy 4. G. Fleischer, Leipzig, FRG; F. Fujara, Mainz, FRG: NMR as a Generalized Incoherent Scattering Experiment 5. P. Bl}mler, B. Bl}mich, Mainz, FRG: NMR Imaging of Solids

Magnetic Properties of Layered Transition Metal Compounds (Paperback, Softcover reprint of the original 1st ed. 1990): L.J.De... Magnetic Properties of Layered Transition Metal Compounds (Paperback, Softcover reprint of the original 1st ed. 1990)
L.J.De Jongh
R5,620 Discovery Miles 56 200 Ships in 10 - 15 working days

In the last two decades low-dimensional (low-d) physics has matured into a major branch of science. Quite generally we may define a system with restricted dimensionality d as an object that is infinite only in one or two spatial directions (d = 1 and 2). Such a definition comprises isolated single chains or layers, but also fibres and thin layers (films) of varying but finite thickness. Clearly, a multitude of physical phenomena, notably in solid state physics, fall into these categories. As examples, we may mention: * Magnetic chains or layers (thin-film technology). * Metallic films (homogeneous or heterogeneous, crystalline, amorphous or microcristalline, etc.). * I-d or 2-d conductors and superconductors. * Intercalated systems. * 2-d electron gases (electrons on helium, semiconductor interfaces). * Surface layer problems (2-d melting of monolayers of noble gases on a substrate, surface problems in general). * Superfluid films of ~He or 'He. * Polymer physics. * Organic and inorganic chain conductors, superionic conductors. * I-d or 2-d molecular crystals and liquid crystals. * I-d or 2-d ferro- and antiferro electrics.

Modern Crystallography IV - Physical Properties of Crystals (Paperback, Softcover reprint of the original 1st ed. 1988): L.A.... Modern Crystallography IV - Physical Properties of Crystals (Paperback, Softcover reprint of the original 1st ed. 1988)
L.A. Shuvalov; Contributions by L.A. Shuvalov, A A Urusovskaya, I.S. Zheludev, A V Zalessky, …
R4,436 Discovery Miles 44 360 Ships in 10 - 15 working days

"Modern Crystallography IV" is devoted to a systematic and up- to-date description of fundamental physical properties of solid and liquid crystals. These include elastic and mechanical, dielectric and ferroelectric, magnetic and optical properties, transport phenomena and spectroscopy. An important feature of the treatment is its use of the crystallographic approach, an introduction to which is given in the opening chapter of the book. The topics are treated at a level understandable to students who have two years of university physics. Researchers and engineers working on practical applications should also find the book useful, as should specialists in other fields who wish to broaden their knowledge of crystallography and materials science. The book is written by a group of leading scientists from the Institute of Crystallography of the USSR Academy of Sciences.

Geology of Tin Deposits in Asia and the Pacific - Selected Papers from the International Symposium on the Geology of Tin... Geology of Tin Deposits in Asia and the Pacific - Selected Papers from the International Symposium on the Geology of Tin Deposits held in Nanning, China, October 26-30, 1984, jointly sponsored by ESCAP/RMRDC and the Ministry of Geology, People's Republic of China (Paperback, Softcover reprint of the original 1st ed. 1988)
Charles S. Hutchison
R4,503 Discovery Miles 45 030 Ships in 10 - 15 working days

This volume represents an edited selection of papers presented at the International symposium on the geology of tin deposits held in Nanning City in October 1984. It documents a great advance in our knowledge of tin deposits, particularly of the People's Republic of China. Details are presented in English for the first time on the major tin-polymetallic sulphide deposits of Dachang and Gejiu, which bear similarities to the deposits of Tasmania, but are little known to the geological community outside of China. The publication of this volume was sponsored by the United Nations ESCAP Regional Mineral Resources Development Centre (RMRDC), now a Regional Mineral Resources Development Project (RMRDP) within ESCAP. The Centre had previously published a report on the Symposium in Nanning City and the following field trip to the Dachang tin-polymetallic sulphide deposit of Guangxi, entitled "Report on the International Symposium on the Geology of Tin Deposits: Nanning and Dachang, China, 27 October - 8 November 1984." It is my privilege to acknowledge the help provided by Dr. J. F. McDivitt and Dr. H. W. Gebert, co-ordinator of ESCAP-RMRDC.

Many-Atom Interactions in Solids - Proceedings of the International Workshop, Pajulahti, Finland, June 5-9, 1989 (Paperback,... Many-Atom Interactions in Solids - Proceedings of the International Workshop, Pajulahti, Finland, June 5-9, 1989 (Paperback, Softcover reprint of the original 1st ed. 1990)
Risto M. Nieminen, Martti J. Puska, Matti Manninen
R4,372 Discovery Miles 43 720 Ships in 10 - 15 working days

This book contains the proceedings of the international workshop on Many-Atom Interactions in Solids, which was held June 5-9, 1989, in Pajulahti, Finland. The purpose of the workshop was to bring together physicists, chemists and materials scientists working in the field of interatomic interactions and their applications in computer simulations of condensed matter. The workshop attracted a good fraction of the active groups in the field, and created lively discussion and interchange of ideas. The contributions in this volume have been grouped by the editors into review type articles and more specific applications to different topics. The order of the articles does not follow the order of the presentations in the workshop. The editors wish to express their gratitude first of all to all the workshop par ticipants for creating an enjoyable and fruitful workshop and to the contributors for their efforts in putting together these proceedings. We hope that this volume will be a useful resource for practitioners in and newcomers to this exciting field. We would like to thank Jens N!l1rskov for his help in planning the scientific pro gramme and Eija Jarvinen for taking care of most of the practical arrangements of the workshop. The workshop was made possible by financial support from the Finnish Ministry of Education, the Research Institute for Theoretical Physics (Helsinki), NORDITA (Copenhagen), and Helsinki University of Technology.

Metal-Containing Polymeric Materials (Paperback, Softcover reprint of the original 1st ed. 1996): Charles E. Carraher Jr, B. M... Metal-Containing Polymeric Materials (Paperback, Softcover reprint of the original 1st ed. 1996)
Charles E. Carraher Jr, B. M Culbertson, C. U. Pittman Jr, J.E. Sheats, Martel Zeldin
R1,611 Discovery Miles 16 110 Ships in 10 - 15 working days

''A must for anyone interested in metal-containing polymers and all its aspects.'' ---American Scientist ''Nicely organized...well-written....An excellent shapshot of the current state of this field.'' ---MRS Bulletin, July 1998

High Performance Non-Oxide Ceramics I (Paperback, Softcover reprint of the original 1st ed. 2002): F. Aldinger High Performance Non-Oxide Ceramics I (Paperback, Softcover reprint of the original 1st ed. 2002)
F. Aldinger; Edited by M. Jansen; Contributions by S. Fruhauf, U Herzog, M. Jansen, …
R5,555 Discovery Miles 55 550 Ships in 10 - 15 working days

The nitrides and carbides of boron and silicon are proving to be an excellent choice when selecting materials for the design of devices that are to be employed under particularly demanding environmental and thermal con- tions. The high degree of cross-linking, due to the preferred coordination numbers of the predominantly covalently bonded constituents equalling or exceeding three, lends these non-oxidic ceramics a high kinetic stability, and is regarded as the microscopic origin of their impressive thermal and mechanical durability. Thus it does not come as a surprise that the chemistry, the physical properties and the engineering of the corresponding binary, ternary, and even quaternary compounds have been the subject of intensive and sustained efforts in research and development. In the five reviews presented in the volumes 101 and 102 of "Structure and Bonding" an attempt has been made to cover both the essential and the most recent advances achieved in this particular field of materials research. The scope of the individual contributions is such as to address both graduate students, specializing in ceramic materials, and all scientists in academia or industry dealing with materials research and development. Each review provides, in its introductory part, the chemical, physical and, to some extent, historical background of the respective material, and then focuses on the most relevant and the most recent achievements.

Coordination Chemistry of Macrocyclic Compounds (Paperback, Softcover reprint of the original 1st ed. 1979): Gordon Melson Coordination Chemistry of Macrocyclic Compounds (Paperback, Softcover reprint of the original 1st ed. 1979)
Gordon Melson
R2,986 Discovery Miles 29 860 Ships in 10 - 15 working days

Chemists have been aware of the existence of coordination compounds con taining organic macrocyclic ligands since the first part of this century; however, only during the past few years have they expanded research into the chemistry of these compounds. The expansion was initiated in the early 1960s by the synthesis and characterization of compounds containing some new macrocyclic ligands. The synthesis of compounds which may serve as model systems for some natural products containing large rings as ligands provided the main goal for the early expansion of research effort; indeed, a recurrent theme behind much of the reported chemistry has been the analogy between synthetic macrocyclic compounds and many natural-product systems. More recently, the emphases of reported research have ranged over the whole spectrum of chemistry, and the number of publications that discuss macrocyclic chemistry has increased at a dramatic rate. The completed research has been reported in a variety of journals throughout the world but there has been no previous attempt to bring the major developments together under one cover. This book, therefore, attempts to satisfy the need for a single source in which there is both a collection and a correlation of information concerning the coordination chemistry of macrocyclic compounds. The chapters in this book discuss various aspects of macrocyclic chemistry, and while these chapters as a whole constitute an in-depth survey of the state-of the-art of the field, each chapter is written as a complete unit."

Organometallic Reactions and Syntheses - Volume 6 (Paperback, Softcover reprint of the original 1st ed. 1977): E. I. Becker Organometallic Reactions and Syntheses - Volume 6 (Paperback, Softcover reprint of the original 1st ed. 1977)
E. I. Becker
R1,528 Discovery Miles 15 280 Ships in 10 - 15 working days

The primary literature on organometallic chemistry has undergone phenomenal growth. The number of papers published from 1951 to 1976 is about equal to all prior literature. Together with this intense activity there has developed a complexity in the literature. Thus, specialized texts and teaching texts, a review journal, an advanced series, and a research journal have all appeared during this period. The present series also reflects this growth and recognizes that many categories of organometallic compounds now have numerous representatives in the literature. The purpose of Organometallic Reactions and Syntheses is to provide complete chapters on selected categories of organometallic compounds, describing the methods by which they have been synthesized and the reactions they undergo. The emphasis is on the experimental aspects, although struc tures of compounds and mechanisms of reactions are discussed briefly and referenced. Tables of all of the compounds prepared in the category under consideration and detailed directions for specific types make these chapters particularly helpful to the preparative chemist. While the specific directions have not been referenced in the same way. as are those in Organic Syntheses and Inorganic Syntheses, the personal experiences of the authors often lend special merit to the procedures and enable the reader to avoid many of the pitfalls frequently encountered in selecting an experimental procedure from the literature."

Supported Metal Complexes - A New Generation of Catalysts (Paperback, Softcover reprint of the original 1st ed. 1985): F.R.... Supported Metal Complexes - A New Generation of Catalysts (Paperback, Softcover reprint of the original 1st ed. 1985)
F.R. Hartley
R1,535 Discovery Miles 15 350 Ships in 10 - 15 working days

It is now IS years since the first patents in polymer supported metal complex catalysts were taken out. In the early days ion-exchange resins were used to support ionic metal complexes. Soon covalent links were developed, and after an initially slow start there was a period of explosive growth in the mid to late 1970s during which virtually every homogeneous metal complex catalyst ever reported was also studied bound to a support. Both polymers and inorganic oxides were studied as supports, although the great preponderance of workers studied polymeric supports, and of these polystyrene was by far the commonest used. This period served to show that by very careful design polymer-supported metal complex catalysts could have specific advantages over homogeneous metal complex catalysts. However the subject was a complicated one. Merely immobilising a successful metal complex catalyst to a functionalised support rarely yielded other than an inferior version of the catalyst. Amongst the many discouraging results of the 1970s, there were more than enough results that were sufficiently encouraging to demonstrate that, by careful design, supported metal complex catalysts could be prepared in which both the metal complex and the support combined together to produce an active catalyst which, due to the combination of support and complex, had advantages of activity, selectivity and specificity not found in homogeneous catalysts. Thus a new generation of catalysts was being developed.

New Pathways for Organic Synthesis - Practical Applications of Transition Metals (Paperback, Softcover reprint of the original... New Pathways for Organic Synthesis - Practical Applications of Transition Metals (Paperback, Softcover reprint of the original 1st ed. 1984)
H.M. Colquhoun, J. Holton, D.J. Thompson, M.V. Twigg
R1,567 Discovery Miles 15 670 Ships in 10 - 15 working days

The continually growing contribution of transition metal chemistry to synthetic organic chemistry is, of course, widely recognized. Equally well known is the difficulty in keeping up-to-date with the multifarious reactions and procedures that seem to be spawned at an ever-increasing rate. These can certainly be summarized on the basis of reviews under the headings of the individual transition metals. More useful to the bench organic chemist, however, would be the opposite type of concordance based on the structural type of the desired synthetic product. This is the approach taken in the present monograph, which presents for each structural entity a conspectus of the transition metal-mediated processes that can be employed in its production. The resulting comparative survey should be a great help in devising the optimum synthetic approach for a particular goal. It is presented from an essentially practical viewpoint, with detailed direc tions interspersed in the Houben-Weyl style. The wide scope of the volume should certainly encourage synthetic organic chemists to utilize fully the range and versatility of these transition metal-mediated processes. This will certainly be a well-thumbed reference book R. A. RAPHAEL Cambridge University v Preface In recent years an enormous amount of work has been done on the catalysis of organic reactions by various transition metal species and on the organic reactivity of organo-transition-metal compounds."

Americium and Curium Chemistry and Technology - Papers from a Symposium given at the 1984 International Chemical Congress of... Americium and Curium Chemistry and Technology - Papers from a Symposium given at the 1984 International Chemical Congress of Pacific Basin Societies, Honolulu, HI, December 16-27, 1984 (Paperback, Softcover reprint of the original 1st ed. 1985)
Norman M. Edelstein, J.D. Navratil, Wallace W. Schulz
R4,365 Discovery Miles 43 650 Ships in 10 - 15 working days

The papers included in this volume were presented at the symposium on "Americium and Curium Chemistry and Technology" at the International Chemical Congress of Pacific Basin Societies in Honolulu, Hawaii, December 16-21, 1984. This symposium commemorated forty years of research on americium and curium. Accordingly, the papers included in this volume begin with historical perspectives on the discovery of americium and curium and the early characterization of their chemical properties, and then cover a wide range of subjects, such as thermodynamic properties, electronic structure, nuclear reactions, analytic chemistry, high pressure phase transitions, and technological aspects. Thus, this volume is a review of the chemistry of americium and curium, and provides a perspective on the current research on these elements forty years after their discovery. The editors would like to thank the participants in this symposium for their contributions. It is a pleasure to acknowledge the assistance of Ms. Barbara Moriguchi in handling the administrative aspects of the symposium and of the production of this volume. April 2, 1985 Norman M. Edelstein Materials and Molecular Research Division Lawrence Berkeley Laboratory University of California Berkeley, California 94720, U.S.A. James D. Navratil Rockwell International Rocky Flats Plant P.O. Box 464 Golden, Colorado 80402-0464, U.S.A. Wallace W. Schulz Rockwell Hanford P.O. Box 800 Richland, Washington 99352, U.S.A.

The Concept of the Chemical Bond - Theoretical Models of Chemical Bonding Part 2 (Paperback, Softcover reprint of the original... The Concept of the Chemical Bond - Theoretical Models of Chemical Bonding Part 2 (Paperback, Softcover reprint of the original 1st ed. 1990)
Zvonimir B. Maksic; Assisted by Dieter Cremer, Clyde Edmiston, Peter Fulde, M.S. Gopinathan, …
R4,477 Discovery Miles 44 770 Ships in 10 - 15 working days

The state-of-the-art in contemporary theoretical chemistry is presented in this 4-volume set with numerous contributions from the most highly regarded experts in their field. It provides a concise introduction and critical evaluation of theoretical approaches in relation to experimental evidence.

Magnesium: Current Status and New Developments - Theoretical, Biological and Medical Aspects (Paperback, Softcover reprint of... Magnesium: Current Status and New Developments - Theoretical, Biological and Medical Aspects (Paperback, Softcover reprint of the original 1st ed. 1997)
T. Theophanides, Jane Anastassopoulou
R5,627 Discovery Miles 56 270 Ships in 10 - 15 working days

This book presents the lectures and posters of some of the main leaders in the field of th magnesium research and medical applications delivered at the 8 International Symposium on Magnesium, which took place on 5-9 October, 1997 in Heraklion, Crete under the chairmanship of Professor Theophilos Theophanides. The meeting was sponsored by the National Technical University of Athens and Ministry of Industry, Energy and Technology. The aim of this meeting was to promote research and applications of magnesium and interface between medical doctors, clinicians and scientists in order to understand the mechanisms responsible for magnesium involvement in the pathogenesis of diseases, its biological significance, metabolism and many other utilizations which are associated with membranes and cells. The success of this interface is due to the contribution of its participants who came from all continents and to their high scientific level. The topics, which were presented, and the questions, which were asked, concerned mechanisms of mode of action of free magnesium cations, Mg2+, hydrated cations, 2 Mg2+. 6 HP, and magnesium linked cations Mg +.LxH 0, where L: ligand and x = 2 1...6 Hp. We would like to express our utmost gratitude to the sponsers and to extend our deep appreciation and thanks to all those who helped and encouraged the scientific and material organization of this meeting. We wish to thank all the members of the scientific committee and the organizing committee.

United States-Japan Seminar on Host-Guest Chemistry - Proceedings of the U.S.-Japan Seminar on Host-Guest Chemistry, Miami,... United States-Japan Seminar on Host-Guest Chemistry - Proceedings of the U.S.-Japan Seminar on Host-Guest Chemistry, Miami, Florida, U.S.A, 2-6 November 1987 (Paperback, Softcover reprint of the original 1st ed. 1989)
George W. Gokel, Kenji Koga
R1,522 Discovery Miles 15 220 Ships in 10 - 15 working days
Introduction to Thermal Analysis - Techniques and applications (Paperback, Softcover reprint of the original 1st ed. 1988):... Introduction to Thermal Analysis - Techniques and applications (Paperback, Softcover reprint of the original 1st ed. 1988)
M.E. Brown
R1,501 Discovery Miles 15 010 Ships in 10 - 15 working days

The aim of this book is, as its title suggests, to help sOilleone with little or no knowledge of what thermal analysis can do, to find out briefly what the subject is all about, to decide whether it will be of use to him or her, and to help in getting started on the more common techniques. Some of the less-common techniques are mentioned, but more specialized texts should be consulted before venturing into these areas. This book arose out of a set of notes prepared for courses on thermal analysis given at instrument workshops organized by'the S.A. Chemical Institute. It has also been useful for similar short courses given at various universities and technikons. I have made extensive use ofthe manufacturers' literature, and I am grateful to them for this information. A wide variety of applications has been drawn from the literature to use as examples and these are acknowledged in the text. A fuller list of the books, reviews and other literature ofthermal analysis is given towards the back of this book. The ICTA booklet 'For Better Thermal Analysis' is also a valuable source of information. I am particularly grateful to my wife, Cindy, for typing the manuscript, to Mrs Heather Wilson for the line drawings, and to Professor David Dollimore of the University of Toledo, Ohio, for many helpful suggestions.

The Chemistry of Antitumour Agents (Paperback, Softcover reprint of the original 1st ed. 1990): D. E. Wilman The Chemistry of Antitumour Agents (Paperback, Softcover reprint of the original 1st ed. 1990)
D. E. Wilman
R1,562 Discovery Miles 15 620 Ships in 10 - 15 working days

Walter C. J. ROSS Emeritus Professor, University of London To paraphrase a statement made by Howard E. Skipper many years ago, 'We cancer chemotherapists have often exploited and overworked our chemist colleagues and they have been conveniently forgotten at award giving times'. This book is an attempt to rectify this and highlight the contribution of the chemist in modifying the structure of various types of agent to enhance their effectiveness as inhibitors of the growth of neoplastic tissues. Cancer chemotherapy is a relatively new discipline, coming later than the introduction of sulphonamides and antibiotics. Modern anti-cancer therapy started with the report of the use of a war gas methyl-di-(2-chloroethyl)amine (HN2) in 1946 for the treatment of Hodgkin's disease. The recognition that this compound acted as a bifunctional alkylating agent under physiological conditions led to the synthesis of a wide range of drugs with similar properties. Amongst these were chlorambucil, melphalan, busulphan, and cyclophos phamide which still find use today. Somewhat later, a range of antibiotics was found to be effective, for example aminopterin (1948) and 6-mercaptopurine (1958) to treat acute leukaemias and 5-fluorouracil and 6-azauracil (1957-8) which were used against a variety of cancers. Since these early days the net has been cast ever wider and, as well as ingenious modifications of the compounds mentioned above, anticancer drugs now include growing classes of compounds ranging from purely synthetic agents to natural products. Many of these are discussed in the present book."

Surface Organometallic Chemistry: Molecular Approaches to Surface Catalysis (Paperback, Softcover reprint of the original 1st... Surface Organometallic Chemistry: Molecular Approaches to Surface Catalysis (Paperback, Softcover reprint of the original 1st ed. 1988)
Jean-Marie Basset, Bruce C Gates, Jean-Pierre Candy, Agnes Choplin, Michel Leconte, …
R5,594 Discovery Miles 55 940 Ships in 10 - 15 working days

Surface organometallic chemistry is a new field bringing together researchers from organometallic, inorganic, and surface chemistry and catalysis. Topics ranging from reaction mechanisms to catalyst preparation are considered from a molecular basis, according to which the "active site" on a catalyst surface has a supra-molecular character. This. the first book on the subject, is the outcome of a NATO Workshop held in Le Rouret. France, in May. 1986. It is our hope that the following chapters and the concluding summary of recommendations for research may help to provide a definition of surface organometallic chemistry. Besides catalysis. the central theme of the Workshop, four main topics are considered: 1) Reactions of organometallics with surfaces of metal oxides, metals. and zeolites; 2) Molecular models of surfaces, metal oxides, and metals; 3) Molecular approaches to the mechanisms of surface reactions; 4) Synthesis and modification of zeolites and related microporous solids. Most surface organometallic chemistry has been carried out on amorphous high-surf ace-area metal oxides such as silica. alumina. magnesia, and titania. The first chapter. contributed by KNOZINGER. gives a short summary of the structure and reactivity of metal oxide surfaces. Most of our understanding of these surfaces is based on acid base and redox chemistry; this chemistry has developed from X-ray and spectroscopic data, and much has been inferred from the structures and reactivities of adsorbed organic probe molecules. There are major opportunities for extending this understanding by use of well-defined (single crystal) oxide surfaces and organometallic probe molecules."

Chitin in Nature and Technology (Paperback, Softcover reprint of the original 1st ed. 1986): G.W. Gooday, C. Jeuniaux, R.... Chitin in Nature and Technology (Paperback, Softcover reprint of the original 1st ed. 1986)
G.W. Gooday, C. Jeuniaux, R. Muzzarelli
R3,004 Discovery Miles 30 040 Ships in 10 - 15 working days

Exegi monumentum ael'e perennius. The monument I have built will last longer than bronze. Horace My previous book, "Chitin," (1977) was listed by the publisher, as a "key research book," among the most requested books by libraries. It received favorable comments from. each of the journals which reviewed it, Science, 198, 28 Oct. 1977, Physiological Entomology, 2(4), Dec. 1977, The Canadian Institute of Food Science and Technology Journal, April 1978, The Quarterly Review of Biology, 53:361, 1978, Oceanographic Abstracts, 15:182, 1979, Annales de Zoologie-Ecologie Animale, 11:127, 1979, and Enzyme & Microbial Technology, 2, 1980. The variety of these journals testifies to the interdisci plinary character of chitin studies. "Chitin" has really been a landmark, to use the definition given by Science, because it stimulated interest in the less known polysaccharides and in modified chitins, besides chitin itself, to the point that three International Conferences on Chitin / Chitosan were convened (Boston, U. S. A. 1977, Sapporo, Japan 1982 and Senigallia, Italy 1985). In convening the 3rd International Conference on Chitin / Chitosan (1-4 April 1985), one of the main objectives was the preparation of the present book. While the proceedings of the previous two Conferences were very valuable, they did not appear in any book catalogs and this severely Ii mi ted their distribution."

Inorganic and Metal-Containing Polymeric Materials (Paperback, Softcover reprint of the original 1st ed. 1990): Charles E.... Inorganic and Metal-Containing Polymeric Materials (Paperback, Softcover reprint of the original 1st ed. 1990)
Charles E. Carraher Jr, B. Currell, C. U. Pittman Jr, J. Sheats, Martel Zeldin
R1,579 Discovery Miles 15 790 Ships in 10 - 15 working days

Research on metal-containing polymers began in the early 1960's when several workers found that vinyl ferrocene and other vinylic transition metal TI -complexes would undergo polymerization under the same conditions as conventional organic monomers to form high polymers which incorporated a potentially reactive metal as an integral part of the polymer structures. Some of these materials could act as semi conductors and possessed one or two dimensional conductivity. Thus applications in electronics could be visualized immediately. Other workers found that reactions used to make simple metal chelates could be used to prepare polymers if the ligands were designed properly. As interest in homogeneous catalysts developed in the late 60's and early 70's, several investigators began binding homogeneous catalysts onto polymers, where the advantage of homogeneous catalysis - known reaction mechanisms and the advantage of heterogeneous catalysis - simplicity and ease of recovery of catalysts could both be obtained. Indeed the polymer matrix itself often enhanced the selectivity of the catalyst. The first symposium on Organometallic Polymers, held at the National Meeting of the American Chemical Society in September 1977, attracted a large number of scientists interested in this field, both established investigators and newcomers. Subsequent symposia in 1977, 1979, 1983, and 1987 have seen the field mature. Hundreds of papers and patents have been published."

Reactions of Coordinated Ligands - Volume 1 (Paperback, Softcover reprint of the original 1st ed. 1986): P.S. Braterman Reactions of Coordinated Ligands - Volume 1 (Paperback, Softcover reprint of the original 1st ed. 1986)
P.S. Braterman
R1,817 Discovery Miles 18 170 Ships in 10 - 15 working days

This book is aimed at graduate students and research workers in aU branches of ohemistry, who wish to gain insight into what continues'to be one of the fastest growing areas of the subject. Aonding to a metal center may stabilize a ligand towards some reagents, activate it towards others, or modify its chemical behavior in more subtle ways. AU these effects have their uses, and aU invite understanding in terms of mechanism. Thus mechanistic insight is linked to control of reaction pathways. The detailed working out of this relationship provides the central theme of the book. The effect of the metal may be electronic or steric, and may involve the energy or the entropy of activation. It may depend on changes induced in the initial state of the ligand, or on those that only arise further along the reaction pathway. It may involve one coordination site or several, and the effects may be more, or less, specific to the metal involved and more, or less, amenable to control through the other Jigands. These remarks apply equaUy strongly to the carbon-bound ligands which occupy the major part of this work, and to those attached by other atoms. Thus the reactions discussed here are relevant in such diverse areas as bulk homogeneous catalysis, stereoselective stoichiometric synthesis, and bioinorganic chemistry.

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