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Although there has been steady progress in understanding aspects of epitaxial growth throughout the last 30 years of modern surface science, work in this area has intensified greatly in the last 5 years. A number of factors have contributed to this expansion. One has been the general trend in surface science to tackle problems of increasing complexity as confidence is gained in the methodology, so for example, the role of oxide/metal interfaces in determining the properties of many practical supported catalysts is now being explored in greater detail. A second factor is the recognition of the potential importance of artificial multilayer materials not only in semiconductor devices but also i...
DescriptionSurface Alloys and Alloy Surfaces is concerned with the structural, compositional, electronic and chemical properties of the surfaces of solids in which the surface layers, at least are alloyed. Two different categories of system are covered - the surfaces of bulk alloys (alloy surfaces) and surface phases in which one or more outermost atomic layers are alloyed, while the underlying bulk involves no such intermixing (surface alloys).Importance of TopicThe surfaces of bulk alloys have long been known to be of practical interest for their chemical properties. It has also long been known that the surface composition of such alloys commonly differs from that of the underlying bulk. H...
This unique book, drawing on the author’s lifetime experience, critically evaluates the extensive literature on the field of Metal-Catalysed Reactions of Hydrocarbons. Emphasis is placed on reaction mechanisms involving hydrogenation, hydrogenolysis, skeletal and positional isomerisation, and exchange reactions. The motivation for fundamental research in heterogeneous catalysis is to identify the physicochemical characteristics of active centres for the reaction being studied, to learn how these may be modified or manipulated to improve the desired behavior of the catalyst, and to recognize and control those aspects of the catalyst's structure that limit its overall performance. By restricting the subject of the book to hydrocarbons, Bond has progressively developed the subject matter to include areas of importance both to researchers and to those working in the industry.
This book contains keynote lectures which have been delivered at the 3rd Porquerolles' School on Surface Science, SIR2000 (Surfaces-Interfaces-Relaxation). The aim of this school was to review the main concepts necessary to understand the role of interfacial stress, strain and relaxation in crystal growth by heteroepitaxy. By bringing together scientists from various fields (physics, chemistry, materials science and engineering) which daily use complementary methodological approaches (experiment, theory, modelization), the school allowed to offer 11 multidisciplinary courses. This book addresses the state of art of stress in epitaxial materials, it describes the various methods to measure th...
The future focus of nanotechnology will be on realizing new functions over greater scales. This book describes the creation of nano- and microscale structures and functions by controlling temperature, light, pressure, or carrier injections. It includes novel nano-integration technologies such as self-organization of surface nanostructures, quantum well structures, microlithography and micromachines, as well as new techniques of laser spectroscopy and new computational methods.
The development of nanomaterials opens the possibility for new materials with outstanding properties compared to classical engineering materials. These materials can find applications in different fields such as medical treatment or structural mechanics. This monograph focuses on two major groups of nanomaterials, i.e.nanoparticels and nanocomposites. Nanopartices, for example in the form of hollow particles, allow for new possibilities in drug delivery. Different aspects of nanoparticles ranging from manufacturing to modeling and simulation are covered. Nanocomposite materials are formed by mixing two or more dissimilar materials at the nanoscale in order to control and develop new and impr...
Extracellular and biofluids vesicles (EVs) are highly specialised yet ubiquitous nanoscale messengers secreted by cells. With the development of stem cell engineering, EVs promise to deliver next generation tools in regenerative medicine and tissue engineering, as well as in diagnostics. A vibrant and promising field, this book provides the first resource to the field. Covering basic cell biology, including EV production and intracellular communication, this book will provide material scientists and engineers with a foundation to the necessary biology. The reader will then learn about the isolation of extracellular vesicles their physicochemical characterisation and therapeutic application of EVs in regenerative medicine as well as their potential as biomarkers in medical diagnostic. This book will also discuss the regulatory landscape of EVs. Bridging cell biology, biomaterials, biophysics and biomedical engineering the content of this book is written with a broad interdisciplinary audience in mind. Researchers, new and established will find this a must-have on their shelf.
Green Sustainable Process for Chemical and Environmental Engineering and Science: Recent Advances in Nanocarriers covers nanocarrier synthesis techniques, as well as methods for encapsulating bioactive compounds. It explores the tests carried out to evaluate their pharmacological properties, in addition to investigating the recent results of clinical tests carried out for some nanocarriers. This book also addresses the most recent advances in nanocarriers and their diverse applications in modern medicine for the treatment of diseases and diagnostics. Nanocarriers play an important role in improving the treatment of diseases and diagnostic imaging as they can deliver medicines to specific loc...
This book aims to overview the role of non-covalent interactions, such as hydrogen and halogen bonding, π-π, π-anion and electrostatic interactions, hydrophobic effects and van der Waals forces in the synthesis of organic and inorganic compounds, as well as in design of new crystals and function materials. The proposed book should allow to combine, in a systematic way, recent advances on the application of non-covalent interactions in synthesis and design of new compounds and functional materials with significance in Inorganic, Organic, Coordination, Organometallic, Pharmaceutical, Biological and Material Chemistries. Therefore, it should present a multi- and interdisciplinary character assuring a rather broad scope. We believe it will be of interest to a wide range of academic and research staff concerning the synthesis of new compounds, catalysis and materials. Each chapter will be written by authors who are well known experts in their respective fields.