Download or read book Cyclic Polymers written by E.R. Semlyen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic polymers based on long chain molecules have been investigated intensively for over 50 years. They have found important applications as plastics, fibres, rubbers and other materials. The chain molecules may be simple linear structures or they may be branched or cross-linked. During the past decade, sharp fractions of the first synthetic cyclic polymer have been prepared. These fractions of cyclic poly(dimethyl siloxane) consist of ring molecules containing hundreds of skeletal bonds. Some of their properties have been found to be quite different from those of the corresponding linear polymers. Synthetic cyclic polymers, including cyclic polystyrene, have joined the naturally occurring circular DNAs as examples of substantially large ring molecules. This book aims to review current knowledge of cyclic polymers and biological ring macromolecules. In addition, it discusses theories of cyclic macromolecules and describes cyclization processes involving long chain molecules. Since 1865, when Kekule proposed a simple ring structure for benzene, larger and larger ring molecules have been synthesized in the laboratory and discovered in nature. Many more examples are to be expected in the future. In time, large ring molecules should take their proper place alongside long chain molecules as one of the two possible constituent structural units of polymers.
Download or read book Cyclic Polymers written by J. A. Semlyen and published by Springer Science & Business Media. This book was released on 2000-08-31 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cyclic Polymers (Second Edition) reviews the many recent advances in this rapidly expanding subject since the publication of the first edition in 1986. The preparation, characterisation, properties and applications of a wide range of organic and inorganic cyclic oligomers and polymers are described in detail, together with many examples of catenanes and rotaxanes. The importance of large cyclics in biological chemistry and molecular biology is emphasised by a wide coverage of circular DNA, cyclic peptides and cyclic oligosaccharides and polysaccharides. Experimental techniques and theoretical aspects of cyclic polymers are included, as well as examples of their uses such as ring opening polymerisation reactions to give commercially important materials. This book covers a wide range of topics which should be of interest to many scientific research workers (for example, in polymer science, chemistry and molecular biology), as well as providing a reference text for undergraduate and graduate students.
Download or read book Cyclic Peptides written by Jesko Koehnke and published by Royal Society of Chemistry. This book was released on 2017-12-14 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cyclic peptides are increasingly employed as chemical tools in biology and drug discovery. They have gained a lot of interest as alternative sources of new drugs to traditional small molecules. This book introduces cyclic peptides and provides a thorough overview of biosynthetic and fully synthetic approaches to their preparation. Following an introduction to cyclic peptides, biosynthetic and traditional chemical routes to cyclic peptides are reviewed. Due to their size, their synthesis is not trivial. Recent advances in the incorporation of novel structural units are presented in addition to how synthesis and biological methods can be combined. The chemical analysis of this molecular class is also discussed. Furthermore, chapters detail the progression of cyclic peptides as tools in biology and as potential drugs, providing a future vision of their importance. In total, this book provides the reader with a comprehensive view of the state-of-the-art of cyclic peptides, from construction to possible clinical utility. This book will be an essential resource for students, researchers and scientists within industry in medicinal, bioorganic, natural product and analytical chemistry fields.
Download or read book Cyclic Macromolecules written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The work described in the present report had the original goal to produce large, entangled, ring polymers that were uncontaminated by linear chains and to characterize by rheological methods the dynamics of these rings. While the work fell short of this specific goal, the outcomes of the research performed under support from this grant provided novel macromolecular synthesis methods, new separation methods for ring and linear chains, and novel rheological data on bottle brush polymers, wedge polymers and dendron-based ring molecules. The grant funded a total of 8 archival manuscripts and one patent, all of which are attached to the present report.
Download or read book Macromolecules written by F Bovey and published by Elsevier. This book was released on 2012-12-02 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Macromolecules is an introductory book about macromolecules, specifically about the fundamental aspects of macromolecules, such as their nature, the ways they are formed, and their behavior. This book also focuses on the basics of macromolecules, which includes history, composition, and properties. The topics covered in this book include polymerization kinetics, chemical reactions, and degradation of macromolecules. This book also discusses biological molecules, including naturally occurring materials, synthetic macromolecules, and model compounds. Students majoring in chemistry or other related fields, such as materials engineering, will find this book very useful.
Download or read book Macromolecules written by Hans-Georg Elias and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 1228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like so many of its kind, this textbook originated from the requirements of teaching. While lecturing on macromolecular science as a required subject for chemists and materials scientists on the undergraduate, graduate, and postgraduate levels at Swiss Federal Institute of Technology at Zurich (1960-1971), I needed a one-volume textbook which treated the whole field of macromolecular science, from its chemistry and physics to its applications, in a not too elementary manner. This textbook thus intends to bridge the gap between the often oversimplified introductory books and the highly specialized texts and monographs that cover only parts of macromolecular science. This first English edition is based on the third German edition (1975), which is about 40% different from the first German edition (1971), a result of rapid progress in macromolecular science and the less rapid education of the writer. This text intends to survey the whole field of macromolecular science. Its organization results from the following considerations. The chemical structure of macromolecular compounds should be independent of the method of synthesis, at least in the ideal case. Part I is thus concerned with the chemical and physical structure of macro molecules. Properties depend on structure. Solution properties are thus discussed in Part II, solid state properties in Part III. There are other reasons for discussing properties before syntheses: For example, it is difficult to under stand equilibrium polymerization without knowledge of solution thermody of the glass temperature, etc.
Download or read book Large Ring Molecules written by J. A. Semlyen and published by . This book was released on 1996 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a series of reviews on topics including circular DNA and other cyclic biological macromolecules, synthetic polymers and large organic and inorganic ring molecules, internationally renowned authors survey the many important advances in the area of large ring molecules. Large Ring Molecules examines the new and fascinating development of large cyclics including topological aspects such as catenane and rotaxane formation. Current research in large ring molecules is leading to new concepts and ideas which are illustrated by chapters on cyclic molecules formed by self assembly and molecular recognition. Large Ring Molecules will be invaluable for researchers in physical, organic, inorganic, biological, polymer, topological, analytical, theoretical and supramolecular chemistry.
Download or read book Topological Polymer Chemistry written by Yasuyuki Tezuka and published by World Scientific. This book was released on 2013 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are examples aplenty in the macroscopic world that demonstrate the form of objects directing their functions and properties. On the other hand, the fabrication of extremely small objects having precisely defined structures has only recently become an attractive challenge, which is now opening the door to nanoscience and nanotechnology. In the field of synthetic polymer chemistry, a number of critical breakthroughs have been achieved during the first decade of this century to produce an important class of polymers having a variety of cyclic and multicyclic topologies. These developments now offer unique opportunities in polymer materials design to create unprecedented properties and functions simply based on the form, i.e. topology, of polymer molecules. In this book on topological polymer chemistry, the important developments in this growing area will be collected for the first time, with particular emphasis on new conceptual insights for polymer chemistry and polymer materials. The book will systematically review topological polymer chemistry from basic aspects to practice, and give a broad overview of cyclic polymers covering new synthesis, structure characterization, basic properties/functions and the eventual applications.
Download or read book Synthetic Multidentate Macrocyclic Compounds written by Reed Izatt and published by Elsevier. This book was released on 2012-12-02 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic Multidentate Macrocyclic Compounds attempts to bring together selected chapters in which the authors discuss in depth investigations in important areas of macrocycle research. The chapters deal mainly with macrocyclic compounds (saturated polyethers and their derivatives), and macrobicyclic compounds (cryptates). The book contains six chapters and opens with a first-hand account of the initial synthesis of the cyclic polyethers. This is followed by separate chapters on the synthesis of cyclic polyethers, polyether amines, and polyether sulfides; the synthesis of multidentate compounds; and the structure of synthetic macrocyclic compounds and their cation complexes. Subsequent chapters deal with the rates of reactions and the mechanism by which synthetic macrocyclic ligands complex substrates in solution; and commercial applications of the synthetic macrocyclic ligands. This book is primarily aimed at researchers and students in organic, physical, analytical, and inorganic chemistry, and in chemical engineering. However, it will also be of interest to many in the areas of biology, biochemistry, and physiology. Extensive literature references are found in each chapter.
Download or read book Macromolecules Incorporating Transition Metals written by Alaa S Abd-El-Aziz and published by Royal Society of Chemistry. This book was released on 2018-02-01 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: New materials are required to solve global challenges such as the growing energy demand and reducing the threat of new and re-emerging diseases and infections. Metallopolymers is an exciting and promising area of research and this book focuses on the strategy of incorporating transition metals into macromolecules to design functional materials for addressing such problems. The book starts with an introduction to current global challenges and the role of materials science in tackling these, it then discusses the fundamentals of metallopolymers and their synthesis. The final chapters look at specific applications of the materials from photovoltaics and light-emitting diodes for energy conservation, to biological sensors and drug delivery platforms. Written by leading experts in the field, this book is an ideal reference for students and researchers working in polymer chemistry, organometallic chemistry and materials science interested in both the polymers and their applications in energy and health.
Download or read book Molecular Biology of the Cell written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synthesis and Properties of Large Ring Macromolecules written by Wonhee Jeong and published by . This book was released on 2008 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Molecular Characterization of Polymers written by Muhammad Imran Malik and published by Elsevier. This book was released on 2021-03-09 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular Characterization of Polymers presents a range of advanced and cutting-edge methods for the characterization of polymers at the molecular level, guiding the reader through theory, fundamentals, instrumentation, and applications, and supporting the end goal of efficient material selection and improved material performance. Each chapter focuses on a specific technique or family of techniques, including the different areas of chromatography, field flow fractionation, long chain branching, static and dynamic light scattering, mass spectrometry, NMR, X-Ray and neutron scattering, polymer dilute solution viscometry, microscopy, and vibrational spectroscopy. In each case, in-depth coverage explains how to successfully implement and utilize the technique. This practical resource is highly valuable to researchers and advanced students in polymer science, materials science, and engineering, and to those from other disciplines and industries who are unfamiliar with polymer characterization techniques. - Introduces a range of advanced characterization methods, covering aspects such as molecular weight, polydispersity, branching, composition, and tacticity - Enables the reader to understand and to compare the available technique, and implement the selected technique(s), with a view to improving properties of the polymeric material - Establishes a strong link between basic principles, characterization techniques, and real-life applications
Download or read book Serotonin Receptors in Neurobiology written by Amitabha Chattopadhyay and published by CRC Press. This book was released on 2007-05-17 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: A number of developments spanning a multitude of techniques makes this an exciting time for research in serotonin receptors. A comprehensive review of the subject from a multidisciplinary perspective, Serotonin Receptors in Neurobiology is among the first books to include information on serotonin receptor knockout studies. With contributions from l
Download or read book Symposium on Macromolecules written by and published by . This book was released on 1993 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polymeric Biomaterials written by Severian Dumitriu and published by CRC Press. This book was released on 2013-01-17 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomaterials have had a major impact on the practice of contemporary medicine and patient care. Growing into a major interdisciplinary effort involving chemists, biologists, engineers, and physicians, biomaterials development has enabled the creation of high-quality devices, implants, and drug carriers with greater biocompatibility and biofunctiona
Download or read book Macrocyclic Chemistry written by Bernard Dietrich and published by . This book was released on 1993 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a series of lectures in macrocyclic chemistry held by Jean-Marie Lehn at the College de France. This lucid introduction offers extensive coverage of the vast panorama of macrocyclic and macropolycyclic chemistry. Interdisciplinary in approach, it treats significant aspects of organic, inorganic and physical chemistry and touches biological phenomena as well. Using this book, graduate students and researchers will gain insight into the fascinating concepts of molecular recognition and supramolecular chemistry.
