metallofoldamers supramolecular architectures from helicates to biomimetics

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Metallofoldamers

Author : Galia Maayan
ISBN : 9781118517437
Genre : Science
File Size : 20. 56 MB
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Metallofoldamers are oligomers that fold into three-dimensional structures in a controlled manner upon coordination with metal ions. Molecules in this class have shown an impressive ability to form single-handed helical structures and other three-dimensional architectures. Several metallofoldamers have been applied as sensors due to their selective folding when binding to a specific metal ion, while others show promise for applications as responsive materials on the basis of their ability to fold and unfold upon changes in the oxidation state of the coordinated metal ion, and as novel catalysts. Metallofoldamers: From Helicates to Biomimetic Architectures describes the variety of interactions between oligomers and metal species, with a focus on non-natural synthetic molecules. Topics covered include: the major classes of foldamers and their folding driving force metalloproteins and metalloenzymes helicates: self-assembly, structure and applications abiotic metallo-DNA metallo-PNA and iDNA metallopeptides interactions of biomimetic oligomers with metal ions applications of metallofoldamers

Comprehensive Supramolecular Chemistry Ii

Author : George W. Gokel
ISBN : 9780128031995
Genre : Science
File Size : 83. 74 MB
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Comprehensive Supramolecular Chemistry II, Second Edition is a ‘one-stop shop’ that covers supramolecular chemistry, a field that originated from the work of researchers in organic, inorganic and physical chemistry, with some biological influence. The original edition was structured to reflect, in part, the origin of the field. However, in the past two decades, the field has changed a great deal as reflected in this new work that covers the general principles of supramolecular chemistry and molecular recognition, experimental and computational methods in supramolecular chemistry, supramolecular receptors, dynamic supramolecular chemistry, supramolecular engineering, crystallographic (engineered) assemblies, sensors, imaging agents, devices and the latest in nanotechnology. Each section begins with an introduction by an expert in the field, who offers an initial perspective on the development of the field. Each article begins with outlining basic concepts before moving on to more advanced material. Contains content that begins with the basics before moving on to more complex concepts, making it suitable for advanced undergraduates as well as academic researchers Focuses on application of the theory in practice, with particular focus on areas that have gained increasing importance in the 21st century, including nanomedicine, nanotechnology and medicinal chemistry Fully rewritten to make a completely up-to-date reference work that covers all the major advances that have taken place since the First Edition published in 1996

Chirality In Supramolecular Assemblies

Author : F. Richard Keene
ISBN : 9781118867310
Genre : Science
File Size : 28. 94 MB
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Supramolecular chemistry deals with the organisation of molecules into defined assemblies using non-covalent interactions, including weaker and reversible interactions such as hydrogen bonds, and metal-ligand interactions. The aspect of stereochemistry within such chemical architectures, and in particular chirality, is of special interest as it impacts on considerations of molecular recognition, the development of functional materials, the vexed question of homochirality, nanoscale effects of interactions at interfaces, biocatalysis and enzymatic catalysis, and applications in organic synthesis. Chirality in Supramolecular Assemblies addresses many of these aspects, presenting a broad overview of this important and rapidly developing interdisciplinary field. Topics covered include: Origins of molecular and topological chirality Homochirogenesis Chirality in crystallinity Host-guest behavior Chiral influences in functional materials Chirality in network solids and coordination solids Aspects of chirality at interfaces Chirality in organic assemblies Chirality related to biocatalysis and enzymes in organic synthesis. This book is a valuable reference for researchers in the molecular sciences, materials science and biological science working with chiral supramolecular systems. It provides summaries and special insights by acknowledged international experts in the various fields.

Synergy In Supramolecular Chemistry

Author : Tatsuya Nabeshima
ISBN : 9781466595040
Genre : Science
File Size : 21. 2 MB
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Cooperative and synergistic chemical events have attracted significant attention from many researchers engaged in organic chemistry, inorganic chemistry, biological chemistry, polymer chemistry, medicinal chemistry, and other related materials sciences. Synergistic supramolecular systems could be developed to amplify the functions and integration of molecular devices in ways that cannot be achieved by conventional single molecules. This book introduces basic concepts and examples of supramolecular chemistry in terms of cooperation and synergy, and it surveys recent progress in this field.

Bioorganometallic Chemistry

Author : Gérard Jaouen
ISBN : 9783527673452
Genre : Science
File Size : 46. 38 MB
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An up-to-date reference reflecting the significant advances and important breakthroughs made in this emerging discipline over the last decade. As such, the book provides an overview of the latest developments and future trends in the field, focusing on such applications as the development of potentially active organometallic drugs against incurable diseases, as well as in such areas as catalysis, energy, analytical chemistry, and imaging. The renowned editor, who established the term "bioorganometallics", and his international team of experts have put together a valuable resource for researchers in organometallic, inorganic, medicinal, and biochemistry.

Molecularly Imprinted Polymers

Author : B. Sellergren
ISBN : 0080536808
Genre : Technology & Engineering
File Size : 83. 6 MB
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This book is divided into 5 sections starting with an historic perspective and fundamental aspects on the synthesis and recognition by imprinted polymers. The second section contains 8 up-to-date overview chapters on current approaches to molecular and ion imprinting. This is followed by two chapters on new material morphologies and in the last two sections various analytical applications of imprinted polymers are given, with the last four chapters devoted to the promising field of imprinted polymers in chemical sensors. The authors of this volume have widely different backgrounds; mainly polymer chemistry, organic chemistry, biochemistry and analytical chemistry, which means that this book has an interdisciplinary character and should appeal to a broad audience.

Ionomers

Author : M.R. Tant
ISBN : 9789400914612
Genre : Technology & Engineering
File Size : 82. 99 MB
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Polymers have achieved an enviable position as the class of materials having the highest volume of production, exceeding that of both metals and ceramics. The meteoric rise in the production and utilization of polymers has been due to advances in polymer synthesis which allow the creation of specific and well-defined molecular structures, to new knowledge concerning the relationships between polymer structure and properties, and to an improved understanding of how processing can be used as a tool to develop morphological features which result in desired properties. Polymers have truly become 'engineered materials' in every sense of the term. Polymer scientists and engineers are forever seeking to modify and improve the properties of synthetic polymeric systems for use in specific applications. Towards this end they have often looked to nature for advice on how to design molecules for specific needs. An excellent illustration of this is the use of noncovalent bonding (ionic, hydrogen, and van der Waals) in lipids, proteins, and nucleic acids, where these noncovalent bonds, acting both intra and intermolecularly, precisely control the structure and thus the function of the entire system. The utilization of ionic bonding, in particular in man-made polymers has attracted widespread interest in recent years, since ionic interactions exert a similar strong influence on the structure and properties of these synthetic systems.

Collecting And Interpreting Qualitative Materials

Author : Norman K. Denzin
ISBN : 9781483307305
Genre : Social Science
File Size : 20. 37 MB
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This book is the third of three paperback volumes taken from The SAGE Handbook of Qualitative Research, Fourth Edition. It introduces the researcher to basic methods of gathering, analyzing and interpreting qualitative empirical materials. Part 1 moves from narrative inquiry, to critical arts-based inquiry, to oral history, observations, visual methodologies, and autoethnographic methods. It then takes up analysis methods, including computer-assisted methodologies, focus groups, as well as strategies for analyzing talk and text. The chapters in Part II discuss evidence, interpretive adequacy, forms of representation, post-qualitative inquiry, the new information technologies and research, the politics of evidence, writing, and evaluation practices.

N Heterocyclic Carbenes

Author : Silvia Díez-González
ISBN : 9781849730426
Genre : Science
File Size : 74. 86 MB
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Over the last fifteen years, N-heterocyclic carbenes (NHCs) have mostly been used as ancillary ligands for the preparation of transition metal-based catalysts. Compared to phosphorus-containing ligands, NHCs tend to bind more strongly to metal centres, avoiding the necessity for the use of excess ligand in catalytic reactions. The corresponding complexes are often less sensitive to air and moisture, and have proven remarkably resistant to oxidation. Recent developments in catalysis applications have been facilitated by the availability of carbenes stable enough to be bottled, particularly for their use as organocatalysts. This book shows how N-heterocyclic carbenes can be useful in various fields of chemistry and not merely laboratory curiosities or simple phosphine mimics. NHCs are best known for their contribution to ruthenium and palladium-catalysed reactions but the scope of this book is much broader. The synthesis of NHC ligands and their corresponding metal complexes are covered in depth. Moreover, the biological activity of NHC-containing complexes, as well as an overview of their theoretical aspects are included. Such metal species are further examined, not only in terms of their catalytic applications, but also of their stereoelectronic parameters and reactivity/stability. Finally, special attention is given to the hot topic of organocatalysis. The book will be of interest to postgraduates, academic researchers and those working in industry.

Supramolecular Soft Matter

Author : Takashi Nakanishi
ISBN : 9781118095324
Genre : Science
File Size : 23. 36 MB
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The pivotal text that bridges the gap between fundamentals and applications of soft matter in organic electronics Covering an expanding and highly coveted subject area, Supramolecular Soft Matter enlists the services of leading researchers to help readers understand and manipulate the electronic properties of supramolecular soft materials for use in organic opto-electronic devices, such as photovoltaics and field effect transistors, some of the most desired materials for energy conservation. Rather than offering a compilation of current trends in supramolecular soft matter, this book bridges the gap between fundamentals and applications of soft matter in organic electronics in an effort to open new directions in research for applying supramolecular assembly into organic materials while also focusing on the morphological functions originating from the materials' self-assembled architectures. This unique approach distinguishes Supramolecular Soft Matter as a valuable resource for learning to identify concepts that hold promise for the successful development of organic/polymeric electronics for use in real-world applications. Supramolecular Soft Matter: Combines important topics to help supramolecular chemists and organic electronics researchers work together Covers an interdisciplinary field of prime importance to government-supported R&D research Discusses the concepts and perspectives in a dynamic field to aid in the successful development of organic electronics Includes applications for energy conservation like photovoltaics and field effect transistors Teeming with applicable information on both molecular design and synthesis, as well as the development of smart molecular assemblies for organic electronic systems, Supramolecular Soft Matter provides more practical in-depth coverage of this rapidly evolving technology than any other book in its field.

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