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Books > Science & Mathematics > Chemistry > Physical chemistry > Colloid chemistry
This volume is based on lectures given at the NATO-Advanced Study Institute on Structure and Dynamics of Polymer and Colloid Systems held in Les Houches, France from September 14-24, 1999. The meeting arose from a perceived need to bring together scientists studying the polymer and colloid fields. Although these fields are intertwined and share many techniques (e. g. , light, neutron and x-ray scattering), it is remarkable how little the approaches and concepts used by the one field penetrate the other. For instance, the theory of spherical colloids is very highly developed and many of the concepts developed for these systems can be extended to those with non-spherical morphology, such as solutions of rigid rod polymers. In addition, mixtures of polymers and colloids, both in the bulk and at interfaces, are the basis for many industrial products. Methods are now rapidly being developed for understanding the structure and dynamics in polymer/colloid mixtures at the molecular level, but the point of view of the colloid scientist is often rather different from that of the polymer scientist. The NATO-ASI brought together polymer and colloid scientists, including many young researchers, who presented and discussed recent developments in these fields and the possibilities for cross-fertilization This volume contains articles on a wide variety of topics at the research forefront of the polymer and colloid fields by some of the world's foremost experts at a level accessible to graduate students, post-docs and researchers.
This book is intended as an introduction to radioactivity and aerosols for the scientifically literate reader who has had no previous exposure to either of these subjects. Although its main focus is radioactive aerosols, on the road to this subject I provide short, somewhat independent introductions to both radioactivity and aerosols, with some emphasis on experimental aspects. The audience I have in mind is upper-level undergraduates or beginning graduate students with a minimum background of introductory college courses in physics, chemistry, and calculus. This book may also be useful to "crossover" professional- professionals in other fields of science and engineering, for example biology or geoscience, who would like a step-by-step introduction to this subject matter from the physical science perspective. In writing this book I have been sensitive to requests and suggestions from students who need some background in this subject matter but will probably not specialize in it. These students are bright, but busy, and they sometimes feel overwhelmed by the mass of information in advanced, comprehensive texts. No matter how noble the intentions of the authors (or the teachers assigning the books ), these students often do not have time to read such books through cover to cover, and they fmd it difficult to pick out a coherently-connected subset of the material. Furthermore, modern students studying an interdisciplinary subject like radioactive aerosols are likely to be more diversified than ever, in educational background, in interests, and in preparation.
During my professional career, I developed a strong interest in sol-gel technology, and worked on both xerogel and aerogel systems. My fascination with aerogels has driven me to explore their commercial potential, which is currently an important component of my company's business plan. Together with my co-workers, I have also worked on the preparation of controlled PZT and silica xerogels as well as thin film coatings of metals by the sol-gel technology, These experiences convinced me of the tremendous potentials of this technology. A conviction that is shared by many scientists, engineers, and business leaders around the globe. Many sol-gel derived products are already articles of commerce. However, to expand the commercial potential of sol-gel technology, two challenges must be met: (1) the quality of sol-gel derived products must continue to meet or exceed the quality of competing products, (2) the production cost of sol-gel products (specially aerogels) must continued to decline. A key to lowering the costs of sol-gel products is finding inexpensive precursors.
From blood to milk, pumice to gelatine, most scientists interact with colloids on a daily basis without any real knowledge of their nature. Building on the success of the first edition, "Colloids and Interfaces with Surfactants and Polymers Second Edition" is a user-friendly, non-technical introduction to colloids and interfaces. Includes: Many practical examples of colloid and interface scienceAn enhanced section on fluorescence microscopy, a widely used technique in biological systems for the optical imaging of cellular structuresA new section on phenomenology (the principle of time/temperature superposition), which enables the experimentalist to extend the frequency range of their rheological instrumentsNew information on sedimentation and strategies for the control of sedimentation, which is critical in many dispersions of commercial importanceFresh treatments of traditional theoretical topics like the electrical double-layer, colloidal interactions, wetting behavior and light scattering, as well as more recent advances in polymer science, statistical mechanics and the use of neutronsIn-depth discussions of widely used techniques with mathematics used in a straight-forward way so quantitative descriptions of colloid and interface properties can be derived "Colloids and Interfaces with Surfactants and Polymers Second Edition" explains all the fundamental concepts of colloids and interfaces as well as detailing some of the more advanced aspects which might be useful in specific applications. Intended for undergraduate and graduate courses in colloids and soft materials, the book is also relevant to those in the chemical, coatings, cosmetics, ceramics, food, pharmaceutical and oil industries. For Powerpoint slides of all the figures in the book, please see the Instructor Companion website at http: //bcs.wiley.com/he-bcs/Books?action=index&bcsId=5121&itemId=0470518804
This volume presents the acomplishments of over 85 internationlly renowned scientists whose work was influenced by Professor Wasan's groundbreaking research on interfacial phenomena at The Illinois Institute of Technology, Chicago.
Smart materials are of significant interest and this is the first textbook to provide a comprehensive graduate level view of topics that relate to this field. Fundamentals of Smart Materials consists of a workbook and solutions manual covering the basics of different functional material systems aimed at advanced undergraduate and postgraduate students. Topics include piezoelectric materials, magnetostrictive materials, shape memory alloys, mechanochromic materials, thermochromic materials, chemomechanical polymers and self-healing materials. Each chapter provides an introduction to the material, its applications and uses with example problems, fabrication and manufacturing techniques, conclusions, homework problems and a bibliography. Edited by a leading researcher in smart materials, the textbook can be adopted by teachers in materials science and engineering, chemistry, physics and chemical engineering.
The book describes the new advances in the science and technology of hydrocolloids which are used in food and related systems. The focus is on the technofunctionality and the biofunctionality of hydrocolloids, giving an appropriate emphasis to the manipulative skills of the food scientist and recognising the special part hydrocolloids can play in supporting human health. Gums and Stabilisers for the Food Industry 15 captures the latest research findings of leading scientists which were presented at the Gums and Stabilisers for the Food Industry Conference at the Glyndwr University, Wrexham, UK in June 2009. The areas covered are: - Structure and characterisation - Technofunctionality - Mixed hydrocolloid systems - Food applications - Hydrocolloids and health - Hydrogels for medical applications This book will be a useful information source to researchers and other professionals in industry and academia, particularly those involved with food science.
From reviews of the first edition: "Very well written and brings a focus and a perspective that are not currently available in one convenient volume, especially one that is suitable for self-study or as a teaching tool." —Colloid and Interface Science "A revolutionary approach [to] writing an up-to-date text on ‘The Colloidal Domain’ and its origin in and impact on physics, chemistry, biology, and technology." —Advanced Materials "The authors should be congratulated for producing such a well-written text that is full of illustrations and formulas." —Chemistry and Industry This new edition of Evans and Wennerström’s critically acclaimed text provides students and professionals with a comprehensive and up-to-date treatment of colloid science theory, methods, and applications. Emphasizing the molecular interactions that determine the properties of colloidal systems, the authors provide an authoritative account of critical developments in colloid science that have occurred over the past several decades. Combining all of the best features of a professional reference and a student text, The Colloidal Domain, Second Edition features:
Highlighting recent developments as well as future challenges, this series of volumes covers such topics as emulsions, nano-emulsions, nano-dispersions and novel techniques for their investigation. It also considers the fundamental approach in areas such as controlled release, drug delivery and various applications of nanotechnology.
From blood to milk, pumice to gelatine, most scientists interact with colloids on a daily basis without any real knowledge of their nature. Building on the success of the first edition, "Colloids and Interfaces with Surfactants and Polymers Second Edition" is a user-friendly, non-technical introduction to colloids and interfaces. Includes: Many practical examples of colloid and interface scienceAn enhanced section on fluorescence microscopy, a widely used technique in biological systems for the optical imaging of cellular structuresA new section on phenomenology (the principle of time/temperature superposition), which enables the experimentalist to extend the frequency range of their rheological instrumentsNew information on sedimentation and strategies for the control of sedimentation, which is critical in many dispersions of commercial importanceFresh treatments of traditional theoretical topics like the electrical double-layer, colloidal interactions, wetting behavior and light scattering, as well as more recent advances in polymer science, statistical mechanics and the use of neutronsIn-depth discussions of widely used techniques with mathematics used in a straight-forward way so quantitative descriptions of colloid and interface properties can be derived "Colloids and Interfaces with Surfactants and Polymers Second Edition" explains all the fundamental concepts of colloids and interfaces as well as detailing some of the more advanced aspects which might be useful in specific applications. Intended for undergraduate and graduate courses in colloids and soft materials, the book is also relevant to those in the chemical, coatings, cosmetics, ceramics, food, pharmaceutical and oil industries. For Powerpoint slides of all the figures in the book, please see the Instructor Companion website at http: //bcs.wiley.com/he-bcs/Books?action=index&bcsId=5121&itemId=0470518804
The first modern approach to relate fundamental research to the
applied science of colloids, this series bridges academic research
and practical applications, thus providing the information vital to
both. Written by the very top scientists in their respective
disciplines, this volume discusses the nature of various forces, as
well as the influence of surface forces on the stability of
dispersions, their measurement and role in adsorbed polymers and
liquid films.
Chapter One summarises novel observations regarding physicochemical properties, physical and chemical stability, and drug delivery potential of microemulsion hydrogel drug delivery systems, based on comprehensive reviews of the research results from relevant scientific publications. Chapter Two discusses the synthesis and investigation of the properties of hexaferrites obtained by microemulsion techniques. Chapter Three focuses on manufacturing solid lipid nanoparticle dispersions using a microwave assisted microemulsion approach.
The fourth volume of Water Science Reviews presents three fascinating accounts of hydration phenomena in colloidal systems. O.F. Evans and David Miller provide a reappraisal of the role of water in promoting amphiphilic assembly and structure. Donald England's review of water-soluble polymers highlights those areas that show unique solution properties or where there is contention as to the explanation for the behavior. The final review by Kenneth Newman addresses the hydration of surfaces, a topic of profound scientific and technological importance. Post-graduate researchers interested in topical, critical reviews will benefit from this volume.
Dynamic soft materials that have the ability to expand and contract, change stiffness, self-heal or dissolve in response to environmental changes, are of great interest in applications ranging from biosensing and drug delivery to soft robotics and tissue engineering. This book covers the state-of-the-art and current trends in the very active and exciting field of bioinspired soft matter, its fundamentals and comprehension from the structural-property point of view, as well as materials and cutting-edge technologies that enable their design, fabrication, advanced characterization and underpin their biomedical applications. The book contents are supported by illustrated examples, schemes, and figures, offering a comprehensive and thorough overview of key aspects of soft matter. The book will provide a trusted resource for undergraduate and graduate students and will extensively benefit researchers and professionals working across the fields of chemistry, biochemistry, polymer chemistry, materials science and engineering, nanosciences, nanotechnologies, nanomedicine, biomedical engineering and medical sciences.
This book is about radioactive gases and particles which are dispersed in the environment, either from natural causes, or following nuclear test and accidental emissions. In the first five chapters of this book, the formation and properties of radioactive aerosols are described. Radon, which is of natural origin, is treated at some length, because its contribution to background radiation dose is important. Chapters describe the release of fission products, tritium and plutonium, in bomb tests and nuclear accidents. Particular reference is made to the pathways leading via agricultural products to man. The emphasis then changes to cover experimental aspects of radioactive aerosols. For example, problems in micrometeorology, the study of mass transfer, the mechanics of the human lung and uptake of lead from motor exhausts. Arthur Chamberlain has worked at the Atomic Energy Research Establishment at Harwell for thirty years as the leader of the Aerosol Group. It is a unique exposition and will be used by chemists, geographers, environmentalists as well as governments and other agencies involved in the nuclear debate.
The book covers the physical side of colloid science from the individual forces acting between submicron particles suspended in a liquid through the resulting equilibrium and dynamic properties. The relevant forces include Brownian motion, electrostatic repulsion, dispersion attraction, both attraction and repulsion due to soluble polymer, and viscous forces due to relative motion between the particles and the liquid. The balance among Brownian motion and the interparticle forces decides the questions of stability and phase behavior. Imposition of external fields produces complex effects, i.e. electrokinetic phenomena (electric field), sedimentation (gravitational field), diffusion (concentration/chemical potential gradient), and non-Newtonian rheology (shear field). The treatment aims to impart a sound, quantitative understanding based on fundamental theory and experiments with well-characterized model systems. This broad grasp of the fundamentals lends insight and helps to develop the intuitive sense needed to isolate essential features of technological problems and design critical experiments. Some exposure to fluid mechanics, statistical mechanics, and electricity and magnetism is assumed, but each subject is reintroduced in a self-contained manner.
The fourth volume of Water Science Reviews presents three fascinating accounts of hydration phenomena in collodial systems. O. Fennell Evans and David Miller provide a reappraisal of the role of water in promoting amphiphilic assembly and structure. Donald Eagland's review of water-soluble polymers highlights those which show unique solution properties or where there is contention as to the explanation for the behaviour. The final review, from Kenneth Newman, deals with the hydration of surfaces, a topic of profound scientific and technological importance.
Colloid and surface science research spans a wide range of topics including biological interactions at surfaces, molecular assembly of selective surfaces, role of surface chemistry in microelectronics and catalysis, tribology, and colloidal physics in the context of crystallisation and suspensions; fluid interfaces; adsorption; surface aspects of catalysis; dispersion preparation, characterisation and stability; aerosols, foams and emulsions; surfaces forces; micelles and microemulsions; light scattering and spectroscopy; nanoparticles; new material science; detergency and wetting; thin films, liquid membranes and bilayers; surfactant science; polymer colloids; rheology of colloidal and disperse systems; electrical phenomena in interfacial and disperse systems. This book presents research in this dynamic field.
Colloid and surface science research spans a wide range of topics including biological interactions at surfaces, molecular assembly of selective surfaces, role of surface chemistry in microelectronics and catalysis, tribology, and colloidal physics in the context of crystallisation and suspensions; fluid interfaces; adsorption; surface aspects of catalysis; dispersion preparation, characterisation and stability; aerosols, foams and emulsions; surfaces forces; micelles and microemulsions; light scattering and spectroscopy; nanoparticles; new material science; detergency and wetting; thin films, liquid membranes and bilayers; surfactant science; polymer colloids; rheology of colloidal and disperse systems; electrical phenomena in interfacial and disperse systems. This book presents new research in this field from around the globe.
Formulation is a key step in the drug design process, where the active drug is combined with other substances that maximise the therapeutic potential, safety, and stability of the final medicinal product. Regulatory and quality demands, in addition to advances in processing technologies, result in growing challenges as well as possibilities for the field. Following on from Pharmaceutical Formulation, which covered traditional dosage forms such as tablets and capsules, this volume expands upon those formulations to cover a more diverse range of less common dosage forms. Novel routes of administration are covered from inhalational, dermal and transdermal formulations to ocular, oral suspensions, vaccines and nanoparticle drug delivery. The methods through which these formulations are processed and manufactured is also covered, providing essential knowledge to ensure quality, efficiency, and acceptable costing. Specialised Pharmaceutical Formulation is an essential, up to date resource for students and researchers working in academia and in the pharmaceutical industry and will equip readers with the ability to effectively and reliably produce products which can be approved, manufactured and made available to administer to patients.
Colloidal systems are important across a range of industries, such as the food, pharmaceutical, agrochemical, cosmetics, polymer, paint and oil industries, and form the basis of a wide range of products (eg cosmetics & toiletries, processed foodstuffs and photographic film). A detailed understanding of their formation, control and application is required in those industries, yet many new graduate or postgraduate chemists or chemical engineers have little or no direct experience of colloids. Based on lectures given at the highly successful Bristol Colloid Centre Spring School, "Colloid Science: Principles, Methods and Applications" provides a thorough introduction to colloid science for industrial chemists, technologists and engineers. Lectures are collated and presented in a coherent and logical text on practical colloid science.
Interfacial science impacts on our lives in diverse and surprising
ways. Without it, we would face bubble bath without the bubbles,
detergents which don't clean, cappuccinos without the froth. It has
also fuelled some of the most ground-breaking and
throught-provoking advances in research in recent times, from
biosciences to nanotechnology. Introduction to Interfacial Science
offers an engaging insight into the study of the physical and
chemical properties of interfaces, how they behave, why they behave
as they do, and how this behavior can be harnessed and exploited in
novel and exciting ways. Online Resource Center
Academic and industrial research around polymer-based colloids is huge, driven both by the development of mature technologies, e.g. latexes for coatings, as well as the advancement of new materials and applications, such as building blocks for 2D/3D structures and medicine. Edited by two world-renowned leaders in polymer science and engineering, this is a fundamental text for the field. Based on a specialised course by the editors, this book provides the reader with an invaluable single source of reference. The first section describes formation, explaining basic properties of emulsions and dispersion polymerization, microfluidic approaches to produce polymer-based colloids and formation via directed self-assembly. The next section details characterisation methodologies from microscopy and small angle scattering, to surface science and simulations. The final chapters close with applications, including Pickering emulsions and molecular engineering for materials development. A comprehensive guide to polymer colloids, with contributions by leaders in their respective areas, this book is a must-have for researchers and practitioners working across polymers, soft matter and chemical and molecular engineering.
The term active fluids refers to motions that are created by transforming energy from the surroundings into directed motion. There are many examples, both natural and synthetic, including individual swimming bacteria or motile cells, drops and bubbles that move owing to surface stresses (so-called Marangoni motions), and chemical- or optical-driven colloids. Investigations into active fluids provide new insights into non-equilibrium systems, have the potential for novel applications, and open new directions in physics, chemistry, biology and engineering. This book provides an expert introduction to active fluids systems, covering simple to complex environments. It explains the interplay of chemical processes and hydrodynamics, including the roles of mechanical and rheological properties across active fluids, with reference to experiments, theory, and simulations. These concepts are discussed for a variety of scenarios, such as the trajectories of microswimmers, cell crawling and fluid stirring, and apply to collective behaviours of dense suspensions and active gels. Emerging avenues of research are highlighted, ranging from the role of active processes for biological functions to programmable active materials, showcasing the exciting potential of this rapidly-evolving research field.
This handbook is the only reference work of its kind in the important field of applied surface and colloid chemistry. Unique in scope and including an enormous wealth of mainly practically orientated information it treats the topic in a thorough and comprehensive manner. The Handbook of Applied Surface and Colloid Chemistry will demonstrate the wide range of fields in which the fundamental science has been applied. It is practically organised into five sections:
The chapters on the four major classes of surfactants (anionics, nonionics, cationics and zwitterionics), on physicochemical properties and on important colloidal systems (solid dispersions, foams, vesicles and liposomes, and microemulsions) as well as the coverage of the major analysis and characterization techniques, ensure that this handbook will be welcomed by material scientists in both industry and academia. Written by an international team of scientists, this work will be essential reading for all those in industrial and academic institutions carrying out colloid and surfactant research, development and manufacture. |
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