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Books > Science & Mathematics > Chemistry > Physical chemistry

Advanced Sorption Process Applications (Hardcover): Serpil Edebali Advanced Sorption Process Applications (Hardcover)
Serpil Edebali
R3,349 Discovery Miles 33 490 Ships in 10 - 15 working days
Transition Metal and Rare Earth Compounds - Excited States, Transitions, Interactions I (Hardcover, 2001 ed.): Hartmut Yersin Transition Metal and Rare Earth Compounds - Excited States, Transitions, Interactions I (Hardcover, 2001 ed.)
Hartmut Yersin; Contributions by K. L. Bray, M. Glasbeek, H. Kunkely, a. Vogler
R8,395 Discovery Miles 83 950 Ships in 10 - 15 working days

For a long time, the properties of transition metal and rare earth compounds have fascinated chemists and physicists from a scientific view-point, and more recently also their enormous potential as new materials has been explored. Applications in different fields have already been realized or are under c- rent investigation, for example, new laser materials, IR to visible upconversion systems, compounds for photolithographic processes, systems involving pho- redox processes for solar energy conversion, new photovoltaic devices, chemical sensors, biosensors, electroluminescent devices (OLEDs) for flat panel display systems, supramolecular devices with wide-range definable photophysical properties, materials for energy harvesting, optical information and storage systems, etc. Metal complexes are also highly important in biology and me- cine. Most of the applications mentioned are directly related to the properties of the electronic ground state and the lower-lying excited states. Metal complexes with organic ligands or organometallic compounds exhibit outstanding features as compared to purely organic molecules. For instance, metal compounds can often be prepared and applied in different oxidation states. Furthermore, various types of low-lying electronic excitations can be induced by a suitable choice of ligands, for example, such as metal-centered transitions (MC, e. g. d-d* tran- tion), ligand-centered (LC, e. g. n-n*), metal-to-ligand-charge transfer (MLCT, e. g. d-7r*), intra-ligand-charge-transfer (ILCT) transitions, etc. In particular, the orbitals involved in the resulting lowest excited states determine the photoph- ical and photochemical properties and thus the specific use of the compoun

The Physical Basis of Thermodynamics - With Applications to Chemistry (Hardcover, 2001 ed.): Pascal Richet The Physical Basis of Thermodynamics - With Applications to Chemistry (Hardcover, 2001 ed.)
Pascal Richet
R5,082 R4,735 Discovery Miles 47 350 Save R347 (7%) Ships in 12 - 19 working days

Given that thermodynamics books are not a rarity on the market, why would an additional one be useful? The answer is simple: at any level, thermodynamics is usually taught as a somewhat abstruse discipline where many students get lost in a maze of difficult concepts. However, thermodynamics is not as intricate a subject as most people feel. This book fills a niche between elementary textbooks and mathematically oriented treatises, and provides readers with a distinct approach to the subject. As indicated by the title, this book explains thermodynamic phenomena and concepts in physical terms before proceeding to focus on the requisite mathematical aspects. It focuses on the effects of pressure, temperature and chemical composition on thermodynamic properties and places emphasis on rapidly evolving fields such as amorphous materials, metastable phases, numerical simulations of microsystems and high-pressure thermodynamics. Topics like redox reactions are dealt with in less depth, due to the fact that there is already much literature available. Without requiring a background in quantum mechanics, this book also illustrates the main practical applications of statistical thermodynamics and gives a microscopic interpretation of temperature, pressure and entropy. This book is perfect for undergraduate and graduate students who already have a basic knowledge of thermodynamics and who wish to truly understand the subject and put it in a broader physical perspective. The book is aimed not at theoretical physicists, but rather at practitioners with a variety of backgrounds from physics to biochemistry for whom thermodynamics is a tool which would be better used if better understood.

Electrochemical Dictionary (Hardcover, 2nd ed. 2012): Allen J. Bard, Gyoergy Inzelt, Fritz Scholz Electrochemical Dictionary (Hardcover, 2nd ed. 2012)
Allen J. Bard, Gyoergy Inzelt, Fritz Scholz
R10,535 Discovery Miles 105 350 Ships in 12 - 19 working days

This second edition of the highly successful dictionary offers more than 300 new or revised terms. A distinguished panel of electrochemists provides up-to-date, broad and authoritative coverage of 3000 terms most used in electrochemistry and energy research as well as related fields, including relevant areas of physics and engineering. Each entry supplies a clear and precise explanation of the term and provides references to the most useful reviews, books and original papers to enable readers to pursue a deeper understanding if so desired. Almost 600 figures and illustrations elaborate the textual definitions. The "Electrochemical Dictionary" also contains biographical entries of people who have substantially contributed to electrochemistry. From reviews of the first edition: 'the creators of the Electrochemical Dictionary have done a laudable job to ensure that each definition included here has been defined in precise terms in a clear and readily accessible style' (The Electric Review) 'It is a must for any scientific library, and a personal purchase can be strongly suggested to anybody interested in electrochemistry' (Journal of Solid State Electrochemistry) 'The text is readable, intelligible and very well written' (Reference Reviews)

Organic Synthesis Engineering (Hardcover): L.K. Doraiswamy Organic Synthesis Engineering (Hardcover)
L.K. Doraiswamy
R2,201 Discovery Miles 22 010 Ships in 12 - 19 working days

Catalysis, which until recently had largely been limited to the production of large volume chemical, is now being increasingly used in the production of medium and small volume chemicals. Simultaneously, the role of process intensification in enhancing overall productivity is being increasingly recognised. This usually takes the form of reaction rate enhancement by extending known or emerging laboratory techniques to industrial scale production. Organic Synthesis Engineering describes the application of catalysis in its various forms in organic synthesis, and addresses both the chemical and engineering aspects of catalysts (particularly solid catalysts). It also outlines different techniques of reaction rate and/or selectivity enhancement - a feature not found in any existing books on reaction engineering.

Photochemistry (Hardcover, Edition.): Ian R. Dunkin Photochemistry (Hardcover, Edition.)
Ian R. Dunkin; Contributions by A. Gilbert, William M. Horspool, Norman S. Allen
R10,926 Discovery Miles 109 260 Ships in 10 - 15 working days

The breadth of scientific and technological interests in the general topic of photochemistry is truly enormous and includes, for example, such diverse areas as microelectronics, atmospheric chemistry, organic synthesis, non-conventional photoimaging, photosynthesis, solar energy conversion, polymer technologies, and spectroscopy. This Specialist Periodical Report on Photochemistry aims to provide an annual review of photo-induced processes that have relevance to the above wide-ranging academic and commercial disciplines, and interests in chemistry, physics, biology and technology. In order to provide easy access to this vast and varied literature, each volume of Photochemistry comprises sections concerned with photophysical processes in condensed phases, organic aspects which are sub-divided by chromophore type, polymer photochemistry, and photochemical aspects of solar energy conversion. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading authorities in the relevant subject areas, the series creates a unique service for the active research chemist, with regular, in-depth accounts of progress in particular fields of chemistry. Subject coverage within different volumes of a given title is similar and publication is on an annual or biennial basis.

Bioelectrochemistry of Biomacromolecules (Hardcover, 1997 ed.): Giorgio Lenaz, Giulio Milazzo Bioelectrochemistry of Biomacromolecules (Hardcover, 1997 ed.)
Giorgio Lenaz, Giulio Milazzo
R4,581 Discovery Miles 45 810 Ships in 10 - 15 working days

Bioelectrochemistry: Principles and Practice provides a comprehensive compilation of all the physicochemical aspects of the different biochemical and physiological processes. Macromolecules, essentially nucleic acids, proteins and complex carbohydrates, are the building blocks of cell structure and function. This fifth volume in the "Bioelectrochemistry" series deals essentially with water-soluble biomacromolecules, since the properties of membrane-bound proteins are considered in other volumes of this series. The first chapter provides an extensive review of the structure, chemical reactivity and electromagnetic properties of nucleic acids. The following five chapters concentrate on proteins, their structure, folding and function, the electrochemistry of redox proteins and voltammetric methods. Special attention is devoted to the field of thiol/disulfide exchange as well as to one particular class of proteins, the iron-sulfur proteins. The last chapter considers the chemistry and properties of glycosaminoglycans, the complex charged polysaccharides of the cell surface and extracellular matrix. This series is intended as a set of source books for graduate and postgraduate students as well as research workers at all levels in bioelectrochemistry.

Bioactive Surfaces (Hardcover, 2011 ed.): Hans G. Boerner, Jean-Francois Lutz Bioactive Surfaces (Hardcover, 2011 ed.)
Hans G. Boerner, Jean-Francois Lutz
R5,591 Discovery Miles 55 910 Ships in 10 - 15 working days

Erik Wischerhoff, Nezha Badi, Andre Laschewsky and Jean-Francois Lutz Smart Polymer Surfaces: Concepts and Applications in Biosciences; S. Petersen, M. Gattermayer and M. Biesalski Hold on at the Right Spot: Bioactive Surfaces for the Design of Live-Cell Micropatterns; Julien Polleux Interfacing Cell Surface Receptors to Hybrid Nanopatterned Surfaces: A Molecular Approach for Dissecting the Adhesion Machinery; Abigail Pulsipher and Muhammad N. Yousaf Self-Assembled Monolayers as Dynamic Model Substrates for Cell Biology; D. Volodkin, A. Skirtach and H. Moehwald LbL Films as Reservoirs for Bioactive Molecules; R. Gentsch and H. G. Boerner Designing Three-Dimensional Materials at the Interface to Biology; Joerg C. Tiller Antimicrobial Surfaces;

Fuel Cells II (Hardcover, 2008 ed.): Gunther G. Scherer Fuel Cells II (Hardcover, 2008 ed.)
Gunther G. Scherer
R8,306 Discovery Miles 83 060 Ships in 10 - 15 working days

The concept to utilize an ion-conducting polymer membrane as a solid po- mer electrolyte offers several advantages regarding the design and operation of an electrochemical cell, as outlined in Volume 215, Chapter 1 (L. Gubler, G.G. Scherer). Essentially, the solvent and/or transport medium, e.g., H O, 2 + for the mobile ionic species, e.g., H for a cation exchange membrane, is taken up by and con?ned into the nano-dimensional morphology of the i- containingdomainsofthepolymer.Asaconsequence, aphaseseparationinto a hydrophilic ion-containing solvent phase and a hydrophobic polymer ba- bone phase establishes. Because of the narrow solid electrolyte gap in these cells, low ohmic losses reducing the overall cell voltage can be achieved, even at highcurrent densities. This concept was applied to fuel cell technology at a very early stage; h- ever, performance and reliability of the cells were low due to the dissatisfying membrane properties at that time. The development of per?uoro sulfonate and carboxylate-type membranes, in particular for the chlor-alkali process, directly fostered the further development of proton-conducting membranes and, as a consequence, also the progress in this type of fuel cell technology (polymer electrolyte fuel cell, PEFC)

Chemical Dynamics in Condensed Phases - Relaxation, Transfer and Reactions in Condensed Molecular Systems (Hardcover): Abraham... Chemical Dynamics in Condensed Phases - Relaxation, Transfer and Reactions in Condensed Molecular Systems (Hardcover)
Abraham Nitzan
R5,107 Discovery Miles 51 070 Ships in 12 - 19 working days

This text provides a uniform and consistent approach to diversified problems encountered in the study of dynamical processes in condensed phase molecular systems. Given the broad interdisciplinary aspect of this subject, the book focuses on three themes: coverage of needed background material, in-depth introduction of methodologies, and analysis of several key applications. The uniform approach and common language used in all discussions help to develop general understanding and insight on condensed phases chemical dynamics. The applications discussed are among the most fundamental processes that underlie physical, chemical and biological phenomena in complex systems.
The first part of the book starts with a general review of basic mathematical and physical methods (Chapter 1) and a few introductory chapters on quantum dynamics (Chapter 2), interaction of radiation and matter (Chapter 3) and basic properties of solids (chapter 4) and liquids (Chapter 5). In the second part the text embarks on a broad coverage of the main methodological approaches. The central role of classical and quantum time correlation functions is emphasized in Chapter 6. The presentation of dynamical phenomena in complex systems as stochastic processes is discussed in Chapters 7 and 8. The basic theory of quantum relaxation phenomena is developed in Chapter 9, and carried on in Chapter 10 which introduces the density operator, its quantum evolution in Liouville space, and the concept of reduced equation of motions. The methodological part concludes with a discussion of linear response theory in Chapter 11, and of the spin-boson model in chapter 12. The third part of the book applies the methodologies introducedearlier to several fundamental processes that underlie much of the dynamical behaviour of condensed phase molecular systems. Vibrational relaxation and vibrational energy transfer (Chapter 13), Barrier crossing and diffusion controlled reactions (Chapter 14), solvation dynamics (Chapter 15), electron transfer in bulk solvents (Chapter 16) and at electrodes/electrolyte and metal/molecule/metal junctions (Chapter 17), and several processes pertaining to molecular spectroscopy in condensed phases (Chapter 18) are the main subjects discussed in this part.

One Hundred Years at the Intersection of Chemistry and Physics - The Fritz Haber Institute of the Max Planck Society 1911-2011... One Hundred Years at the Intersection of Chemistry and Physics - The Fritz Haber Institute of the Max Planck Society 1911-2011 (Hardcover)
Jeremiah James, Thomas Steinhauser, Dieter Hoffmann, Bretislav Friedrich
R2,965 Discovery Miles 29 650 Ships in 12 - 19 working days

This volume, occasioned by the centenary of the Fritz Haber Institute, formerly the Institute for Physical Chemistry and Electrochemistry, covers the institute's scientific and institutional history from its founding until the present. The institute was among the earliest established by the Kaiser Wilhelm Society, and its inauguration was one of the first steps in the development of Berlin-Dahlem into a center for scientific research. Its establishment was made possible by an endowment from Leopold Koppel, granted on the condition that Fritz Haber, well-known for his discovery of a method to synthesize ammonia from its elements, be made its director. The history of the institute has largely paralleled that of 20th-century Germany. It undertook controversial weapons research during World War I, followed by a "Golden Era" during the 1920s, in spite of financial hardships. Under the National Socialists it experienced a purge of its scientific staff and a diversion of its research into the service of the new regime, accompanied by a breakdown in its international relations. In the immediate aftermath of World War II it suffered crippling material losses, from which it recovered slowly in the post-war era. In 1953, shortly after taking the name of its founding director, the institute joined the fledgling Max Planck Society. During the 1950s and 60s, the institute supported diverse researches into the structure of matter and electron microscopy in a territorially insular and politically precarious West-Berlin. In subsequent decades, as both Berlin and the Max Planck Society underwent significant changes, the institute reorganized around a board of coequal scientific directors and a renewed focus on the investigation of elementary processes on surfaces and interfaces, topics of research that had been central to the work of Fritz Haber and the first "Golden Era" of the institute.

Interfacial Phenomena and Colloid Stability - Basic Principles (Hardcover): Tharwat F. Tadros Interfacial Phenomena and Colloid Stability - Basic Principles (Hardcover)
Tharwat F. Tadros
R4,614 Discovery Miles 46 140 Ships in 12 - 19 working days

This fundamental book on interfacial phenomena forms the basis of application of interface and colloid science to various disperse systems. These include suspensions, emulsions, nano-dispersions, wetting, spreading, deposition and adhesion of particles to surfaces. These systems occur in most industrial applications, such as personal care and cosmetic formulations, pharmaceutical systems particularly for controlled and targeted delivery of drugs, agrochemical formulations and enhancement of their biological performance, paints and coatings as well as most food formulations. These applications are described in volume 2. The text is very valuable for formulation chemists, chemical engineers and technologies who are involved in such applications. In addition this fundamental text is also valuable for research scientists and Ph.D. students investigating various aspects of interface and colloid science.

Dynamics of Combustion Systems (Hardcover, 2nd ed. 2008): A.K. Oppenheim Dynamics of Combustion Systems (Hardcover, 2nd ed. 2008)
A.K. Oppenheim
R4,574 Discovery Miles 45 740 Ships in 10 - 15 working days

Combustion systems are confined fields of compressible fluids where exothermic processes of combustion take place, subject to boundary conditions imposed at its borders. The subject of Dynamics of Combustion Systems is presented in three parts:

Part 1. Exothermicity considering the thermodynamic effects due to evolution of exothermic energy in a combustion system

Chapter 1. Thermodynamic Aspects
Chapter 2. Evolutionary Aspects
Chapter 3. Heat Transfer Aspects
Chapter 4. Chemical Kinetic Aspects

Part 2. Field exposing the dynamic properties of flow fields where the exothermic energy is deposited

Chapter 5. Aerodynamic Aspects
Chapter 6. Random Vortex Method
Chapter 7. Gasdynamic Aspects
Chapter 8. Gasdynamic Fronts

Part 3. Explosions revealing the dynamic features of fields and fronts due to rapid deposition of exothermic energy

Chapter 9. Blast Wave Theory
Chapter 10. Self-Similar Solution
Chapter 11. Phase Space Method
Chapter 12. Detonation

Modified Cyclodextrins for Chiral Separation (Hardcover, 2013 ed.): Weihua Tang, Siu-Choon Ng, Dongping Sun Modified Cyclodextrins for Chiral Separation (Hardcover, 2013 ed.)
Weihua Tang, Siu-Choon Ng, Dongping Sun
R4,439 R3,577 Discovery Miles 35 770 Save R862 (19%) Ships in 12 - 19 working days

Modified Cyclodextrins for Chiral Separation offers a review of the latest advances in developing modified cyclodextrins as chiral selectors for various chromatographic and electromigration techniques. Over the years, many descriptions of chiral separation have appeared in academic journals and books, but most of them have been devoted to either the development of analytical methods and protocols or the summary of different chiral selectors, including cyclodextrins for chiral separation applications. This is in marked contrast to this volume which focuses on the research endeavors concerning the development of cyclodextrin derivatives specifically as either chiral mobile phases for capillary electrophoresis, or chiral stationary phases for various chromatographic techniques including gas chromatography, or high-performance liquid chromatography and supercritical fluid chromatography. The ongoing thread in this book is the synthesis of structurally-defined cyclodextrin derivatives and their applications in enantiomer separation by means of different analytical techniques. Modified Cyclodextrins for Chiral Separation is intended for those who are interested in expanding their knowledge of cyclodextrin chemistry and chiral separation, and in what cyclodextrin modification can be made to suit the needs of chiral selectors for different analytical techniques. It primarily focuses on the state-of-the-art cyclodextrin chemistry which is the basis for all chiral selectors used in these chiral separation techniques. Weihua Tang, PhD, is a professor at the Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, China. Siu-Choon Ng, PhD, is a professor at the Division of Chemical and Biomedical Engineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore. Dongping Sun, PhD, is a professor at the Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, China.

Frontiers in the Science and Technology of Polymer Recycling (Hardcover, 1998 ed.): Guneri Akovali, Carlos A. Bernardo, Jacob... Frontiers in the Science and Technology of Polymer Recycling (Hardcover, 1998 ed.)
Guneri Akovali, Carlos A. Bernardo, Jacob Leidner, L.A. Utracki, Marino Xanthos
R5,870 Discovery Miles 58 700 Ships in 10 - 15 working days

Polymers, main components of plastics and rubbers, are being discarded in increasing quantities. But this waste can also be considered as plastic gold'. Public concern, coupled with the inherent value of the material, means that recycling is imperative. The present book presents a survey of current knowledge in the form of case studies, including current legal and educational issues. Topics covered also include regulation and practice in NATO countries, the economics of recycling, the reprocessing of single polymers and mixtures, and future prospects and strategies. Audience: Vital reading for all polymer scientists, technicians and engineers.

Advances in Supramolecular Chemistry, Volume 4 (Hardcover): G.W. Gokel Advances in Supramolecular Chemistry, Volume 4 (Hardcover)
G.W. Gokel
R2,620 Discovery Miles 26 200 Ships in 12 - 19 working days

Part of a series which presents reports of efforts in all areas of supramolecular science, this volume discusses a variety of topics in the field.

Solvent Effects and Chemical Reactivity (Hardcover, 1996 ed.): Orlando Tapia, Juan Bertran Solvent Effects and Chemical Reactivity (Hardcover, 1996 ed.)
Orlando Tapia, Juan Bertran
R5,805 Discovery Miles 58 050 Ships in 10 - 15 working days

This book gathers original contributions from a selected group of distinguished researchers that are actively working in the theory and practical applications of solvent effects and chemical reactions. The importance of getting a good understanding of surrounding media effects on chemical reacting system is difficult to overestimate. Applications go from condensed phase chemistry, biochemical reactions in vitro to biological systems in vivo. Catalysis is a phenomenon produced by a particular system interacting with the reacting subsystem. The result may be an increment of the chemical rate or sometimes a decreased one. At the bottom, catalytic sources can be characterized as a special kind of surrounding medium effect. The materials involving in catalysis may range from inorganic components as in zeolites, homogenous components, enzymes, catalytic antibodies, and ceramic materials. . With the enormous progress achieved by computing technology, an increasing number of models and phenomenological approaches are being used to describe the effects of a given surrounding medium on the electronic properties of selected subsystem. A number of quantum chemical methods and programs, currently applied to calculate in vacuum systems, have been supplemented with a variety of model representations. With the increasing number of methodologies applied to this important field, it is becoming more and more difficult for non-specialist to cope with theoretical developments and extended applications. For this and other reasons, it is was deemed timely to produce a book where methodology and applications were analyzed and reviewed by leading experts in the field.

Electrochemistry of Immobilized Particles and Droplets - Experiments with Three-Phase Electrodes (Hardcover, 2nd ed. 2015):... Electrochemistry of Immobilized Particles and Droplets - Experiments with Three-Phase Electrodes (Hardcover, 2nd ed. 2015)
Fritz Scholz, Uwe Schroeder, Rubin Gulaboski, Antonio Domenech Carbo
R4,234 R3,664 Discovery Miles 36 640 Save R570 (13%) Ships in 12 - 19 working days

This second edition of a successful and highly-accessed monograph has been extended by more than 100 pages. It includes an enlarged coverage of applications for materials characterization and analysis. Also a more detailed description of strategies for determining free energies of ion transfer between miscible liquids is provided. This is now possible with a "third-phase strategy" which the authors explain from theoretical and practical points of view. The book is still the only one detailing strategies for solid state electroanalysis. It also features the specific potential of the techniques to use immobilized particles (for studies of solid materials) and of immobilized droplets of immiscible liquids for the purpose of studying the three-phase electrochemistry of these liquids. This also includes studies of ion transfer between aqueous and immiscible non-aqueous liquids. The bibliography of all published papers in this field of research has been expanded from 318 to now 444 references in this second edition. Not only are pertinent references provided at the end of each chapter, but the complete list of the cited literature is also offered as a separate chapter for easy reference.

Chemical Waves and Patterns (Hardcover, 1995 ed.): Raymond Kapral, K. Showalter Chemical Waves and Patterns (Hardcover, 1995 ed.)
Raymond Kapral, K. Showalter
R5,748 Discovery Miles 57 480 Ships in 10 - 15 working days

The concept of macroscopic waves and patterns developing from chemical reaction coupling with diffusion was presented, apparently for the first time, at the Main Meeting of the Deutsche Bunsengesellschaft fur Angewandte Physikalische Chemie, held in Dresden, Germany from May 21 to 24, 1906. Robert Luther, Director of the Physical Chemistry Laboratory in Leipzig, read his paper on the discovery and analysis of propagating reaction-diffusion fronts in autocatalytic chemical reactions [1, 2]. He presented an equation for the velocity of these new waves, V = a(KDC)1/2, and asserted that they might have features in common with propagating action potentials in nerve cell axons. During the discussion period, a skeptic in the audience voiced his objections to this notion. It was none other than the great physical chemist Walther Nernst, who believed that nerve impulse propagation was far too rapid to be akin to the propagating fronts. He was also not willing to accept Luther's wave velocity equation without a derivation. Luther stood his ground, saying his equation was "a simple consequence of the corresponding differential equation. " He described several different autocatalytic reactions that exhibit propagating fronts (recommending gelling the solution to prevent convection) and even presented a demonstration: the autocatalytic permanganate oxidation of oxalate was carried out in a test tube with the image of the front projected onto a screen for the audience.

Novel Synthetic Chemistry of Ureas and Amides (Hardcover, 2013 ed.): Marc Hutchby Novel Synthetic Chemistry of Ureas and Amides (Hardcover, 2013 ed.)
Marc Hutchby
R2,872 Discovery Miles 28 720 Ships in 10 - 15 working days

In this thesis, the author investigates the chemistry and application of molecules containing urea and amide bonds. These bonds are some of the strongest known and are fundamental to biological processes. The author describes his discovery that sterically hindered ureas undergo solvolysis at room temperature under neutral conditions. This is a remarkable finding, since ureas are inert under these conditions and a general rule of chemistry is that hindered substrates are less reactive. Remarkably, the author translates these results to the correspondingly sterically hindered amides. This thesis has resulted in a number of outstanding publications in high profile journals. The unique method for breaking urea and amide bonds developed in this study is likely to have far reaching consequences for biological protein manipulation.

Low-Dimensional and Nanostructured Materials and Devices - Properties, Synthesis, Characterization, Modelling and Applications... Low-Dimensional and Nanostructured Materials and Devices - Properties, Synthesis, Characterization, Modelling and Applications (Hardcover, 1st ed. 2016)
Hilmi UEnlu, Norman J. M Horing, Jaroslaw Dabrowski
R3,086 Discovery Miles 30 860 Ships in 10 - 15 working days

This book focuses on the fundamental phenomena at nanoscale. It covers synthesis, properties, characterization and computer modelling of nanomaterials, nanotechnologies, bionanotechnology, involving nanodevices. Further topics are imaging, measuring, modeling and manipulating of low dimensional matter at nanoscale. The topics covered in the book are of vital importance in a wide range of modern and emerging technologies employed or to be employed in most industries, communication, healthcare, energy, conservation , biology, medical science, food, environment, and education, and consequently have great impact on our society.

Luminescence in Electrochemistry - Applications in Analytical Chemistry, Physics and Biology (Hardcover, 1st ed. 2017): Fabien... Luminescence in Electrochemistry - Applications in Analytical Chemistry, Physics and Biology (Hardcover, 1st ed. 2017)
Fabien Miomandre, Pierre Audebert
R5,755 Discovery Miles 57 550 Ships in 12 - 19 working days

This book highlights the various topics in which luminescence and electrochemistry are intimately coupled. The topic of this book is clearly at the frontier between several scientific domains involving physics, chemistry and biology. Applications in these various fields naturally also need to be mentioned, especially concerning displays and advanced investigation techniques in analytical chemistry or for biomedical issues.

Kinetic Theory of Granular Gases (Hardcover, New): Nikolai V. Brilliantov, Thorsten Poeschel Kinetic Theory of Granular Gases (Hardcover, New)
Nikolai V. Brilliantov, Thorsten Poeschel
R3,070 Discovery Miles 30 700 Ships in 12 - 19 working days

Kinetic Theory of granular Gases provides an introduction to the rapidly developing theory of dissipative gas dynamics as it has been developed mainly during the past decade. The book is aimed at readers from the advanced undergraduate level onwards and leads up to the present state of research. The text is self-contained, in the sense that no mathematical or physical knowledge is required that goes beyond standard undergraduate physics courses. The material is adequate for a one-semester course and contains chapter summaries as well as exercises with detailed solutions. Special emphasis is put on a microscopically consistent description of pairwise particle collisions which leads to an impact-velocity dependent coefficient of restitution. The description of the many-particle system, based on the Boltzmann equation, starts with the derivation of the velocity distribution function, followed by the investigation of self-diffusion and Brownian motion. Using hydrodynamical methods, transport processes and self-organized structure formulation are studies. An appendix gives a brief introduction to event-driven molecular dynamics. A second appendix describes a novel mathematical technique for the derivation of the kinetic properties which allows for the application of computer algebra. The book is accompanied by a web page where the molecular dynamics program as well as the computer-algebra programs are provided.

50 Years of Structure and Bonding - The Anniversary Volume (Hardcover, 1st ed. 2017): D.Michael P. Mingos 50 Years of Structure and Bonding - The Anniversary Volume (Hardcover, 1st ed. 2017)
D.Michael P. Mingos
R7,697 R6,766 Discovery Miles 67 660 Save R931 (12%) Ships in 12 - 19 working days

Chemical structure and bonding. The scope of the series spans the entire Periodic Table and addresses structure and bonding issues associated with all of the elements. It also focuses attention on new and developing areas of modern structural and theoretical chemistry such as nanostructures, molecular electronics, designed molecular solids, surfaces, metal clusters and supramolecular structures. Physical and spectroscopic techniques used to determine, examine and model structures fall within the purview of Structure and Bonding to the extent that the focus is on the scientific results obtained and not on specialist information concerning the techniques themselves. Issues associated with the development of bonding models and generalizations that illuminate the reactivity pathways and rates of chemical processes are also relevant. The individual volumes in the series are thematic. The goal of each volume is to give the reader, whether at a university or in industry, a comprehensive overview of an area where new insights are emerging that are of interest to a larger scientific audience. Thus each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years should be presented using selected examples to illustrate the principles discussed. A description of the physical basis of the experimental techniques that have been used to provide the primary data may also be appropriate, if it has not been covered in detail elsewhere. The coverage need not be exhaustive in data, but should rather be conceptual, concentrating on the new principles being developed that will allow the reader, who is not a specialist in the area covered, to understand the data presented. Discussion of possible future research directions in the area is welcomed. Review articles for the individual volumes are invited by the volume editors.

Structure Formation in Solution - Ionic Polymers and Colloidal Particles (Hardcover, 2005 ed.): Norio Ise, Ikuo Sogami Structure Formation in Solution - Ionic Polymers and Colloidal Particles (Hardcover, 2005 ed.)
Norio Ise, Ikuo Sogami
R5,149 Discovery Miles 51 490 Ships in 10 - 15 working days

1. 1 Macroionic Systems and the Scope of the Book Inthepresentmonograph,wewilldiscussionicpolymersolutionsandcolloidal dispersions. When these substances are dissolved into a solvent, they produce ionicspecies havinglargemolecularweightsandtheir counterions. We knowa variety of naturally occurring ionic polymers and chemically synthesizedc- pounds. Examples of the former are nucleic acids and some proteins, which playanimportantroleinbiologicalsystems. Examplesofsyntheticionicpo- mers are polyacrylic acid (PAA), polystyrenesulfonic acid (PSS) and poly- lylamine (PAAm). PAAisahighpolymer,inwhichmacrylicacidmoleculesCH =CH(COOH) 2 arelinearlypolymerizedby covalent bonds. Thenumber mis calledthe degree 3 of polymerization and is usually of the order of 10 . When PAA is dissolved in a dissociating solvent like water, anionic macroions and counterions are produced. In the following scheme, the counterions are protons but they may + be metal cations such as Na : ? ? ? ? ?CH ? CH? ?CH ? CH? 2 2 + ? ? ? ? | ? | + mH ? COOH COO m m PAA PAA anion Counterions. PAAm is a cationic polymer and dissociates into PAAm cations and anionic counterions as shown below: ? ? ? ? ?CH ? CH? ?CH ? CH? 2 2 ? ? ? ? ? | +mHCl ? | +mCl + CH ?NH CH ?NH 2 2 2 3 m m PAAm PAAm cation Counterions. 2 1 Introduction + ? In the case of NaCl, it dissociates into Na and Cl , which both have low molecular weights. On the other hand, PAA anions and PAAm cations have 3 highmolecularweights. Ifmis10 ,onepolymerion(macroion)hasananalyt- 3 + icalchargenumberZ of10 ,whichisexceedinglylargerthan1forNa .

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Hardcover R2,781 Discovery Miles 27 810
Goobay CAT 5e U/UTP 5m Patch Cable…
R139 R79 Discovery Miles 790

 

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