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Self-Assembled Supramolecular Architectures

Self-Assembled Supramolecular Architectures
Author: Nissim Garti
Publisher: John Wiley & Sons
Total Pages: 503
Release: 2012-08-15
Genre: Science
ISBN: 1118336577
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This book will describe fundamentals and recent developments in the area of Self-Assembled Supramolecular Architecture and their relevance to the understanding of the functionality of membranes as delivery systems for active ingredients. As the heirarchial architectures determine their performance capabilities, attention will be paid to theoretical and design aspects related to the construction of lyotropic liquid crystals: mesophases such as lamellar, hexagonal, cubic, sponge phase micellosomes. The book will bring to the reader mechanistic aspects, compositional considerations, transition within phases, solubilization capacities, drug entrapment and release mechanisms and transmembrane, transdermal, and other transport phenomena. It will stress the importance of these mesostructures to crystallization and polymorphism of drugs, fats, and nutraceuticals and will discuss regioselectivity of organic and enzymatic reactions that take place at interfaces and within the channels of the mesophase. The book will bring studies on the use of these mesophase as crystallization or particulation media for the formation of nanoparticles and nanocrystals. Chapters will discuss applications in the areas of pharmaceuticals, food, cosmetics, plastics, paper, agro-chemistry and industrial applications.

Supramolecular Nanotechnology

Supramolecular Nanotechnology
Author: Omar Azzaroni
Publisher: John Wiley & Sons
Total Pages: 1801
Release: 2023-04-25
Genre: Technology & Engineering
ISBN: 3527834052
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Supramolecular Nanotechnology Provides up-to-date coverage of both current knowledge and new developments in the dynamic and interdisciplinary field of supramolecular nanotechnology In recent years, supramolecular nanotechnology has revolutionized research in chemistry, physics, and materials science. These easily manipulated molecular units enable the synthesis of novel nanomaterials for use in a wide range of current and potential applications including electronics, sensors, drug delivery, and imaging. Supramolecular Nanotechnology presents a state-of-the-art overview of functional self-assembling nanomaterials based on organic and polymeric molecules. Featuring contributions by an international panel of experts in the field, this comprehensive volume covers the design of self-assembled materials, their synthesis and diverse fabrication methods, the characterization of supramolecular architectures, and current and emerging applications in chemistry, biology, and medicine. Detailed chapters discuss the synthesis of peptide-based supramolecular structures and polymeric self-assembling materials, their characterization, advanced microscopy techniques, nanostructures made of porphyrins, polyelectrolytes, silica, their application in catalysis and cancer, atomistic and coarse-grained simulations, and more. Presents cutting-edge research on rationally designed, self-assembled supramolecular structures Discusses the impact of supramolecular nanotechnology on current and future research and technology Highlights applications of self-assembled supramolecular systems in catalysis, biomedical imaging, cancer therapies, and regenerative medicine Provides synthetic strategies for preparing the molecular assemblies and various characterization techniques for assessing the supramolecular morphology Describes theoretical modeling and simulation techniques for analyzing supramolecular nanostructures Supramolecular Nanotechnology: Advanced Design of Self-Assembled Functional Materials is essential reading for materials scientists and engineers, polymer and organic chemists, pharmaceutical scientists, molecular physicists and biologists, and chemical engineers.

Self-assembled Supramolecular Π-π Architectures

Self-assembled Supramolecular Π-π Architectures
Author: Rebecca Savage
Publisher:
Total Pages: 146
Release: 2010
Genre:
ISBN:
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Unlike conventional electronics based on inorganic material, organic electronics exploits carbon-based materials such as polymers and small-weight molecules as active components. Organic compounds can be used for creating "bottom-up" molecular architectures using facile solvent-processing techniques, and in this way organic electronics presents a highly flexible and adaptable approach towards the development of functional electronic devices. Self-assembly techniques have evoked particular interest in recent years. These harness weak interactions between molecule, solvent and substrate to create potentially complicated structures with a high degree of molecular order. Polyaromatic hydrocarbons are highly suitable materials to form self-assembled supramolecular architectures for use in electronic devices. These materials have been found to form structures with a very high degree of supramolecular order, such as highly ordered films, molecular crystals and microribbons. These not only exhibit improved electrical properties compared to amorphous (disordered) films, such systems also have an intrinsic capacity to undergo repair of defects and grain boundaries under mild processing conditions, thus avoiding such bottlenecks for charge transport. This thesis will present studies using several methods for forming high aspect-ratio supramolecular architectures, comparing the morphological and electronic properties of these structures with thin films. Atomic force microscopy (AFM) was employed for investigating the supramolecular structure, and OFETs were fabricated in order to determine the transistor properties. The aim was to elucidate the advantages and disadvantages of the various preparation techniques, the degree of long-range molecular order in the resulting structures, their ability to be integrated into devices and the subsequent field-effect characteristics.

Molecular Self-Assembly

Molecular Self-Assembly
Author: Makoto Fujita
Publisher: Springer
Total Pages: 255
Release: 2003-09-04
Genre: Science
ISBN: 354046591X
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Self-assembly is undoubtedly a topic of special interest in current chemistry and is related to very wide scientific areas. Recent progress in this field seems to be featured by the construction of well-defined discrete systems exploiting complementary hydrogen bonding as well as coordination bonding. Seven leading international experts introduce the current topics in this very interesting field, focusing on two major subjects: organic assemblies and inorganic assemblies. All researchers who are interested in molecular recognition, material science, nanotechnology, and supramolecular chemistry will welcome this book as an inspiring source for creative research ideas.

Molecular Self-Assembly

Molecular Self-Assembly
Author: Alex Li Dequan
Publisher: CRC Press
Total Pages: 472
Release: 2012-12-20
Genre: Science
ISBN: 9814316776
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In the past several decades, molecular self-assembly has emerged as one of the main themes in chemistry, biology, and materials science. This book compiles and details cutting-edge research in molecular assemblies ranging from self-organized peptide nanostructures and DNA-chromophore foldamers to supramolecular systems and metal-directed assemblies, even to nanocrystal superparticles and self-assembled microdevices

Self Assembly in Supramolecular Systems

Self Assembly in Supramolecular Systems
Author: Ian M Atkinson
Publisher: Royal Society of Chemistry
Total Pages: 235
Release: 2007-10-31
Genre: Science
ISBN: 1847551866
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Molecular self-assembly is a widespread phenomenon in both chemistry and biochemistry. Yet it was not until the rise of supramolecular chemistry that attention has increasingly been given to the designed self-assembly of a variety of synthetic molecules and ions. To a large extent, success in this area has reflected knowledge gained from nature. However, an increased awareness of the latent steric and electronic information implanted in individual molecular components has also contributed to this success. Whilst not yet approaching the sophistication of biological assemblies, synthetic systems of increasing subtlety and considerable aesthetic appeal have been created. Self-Assembly in Supramolecular Systems surveys highlights of the progress made in the creation of discrete synthetic assemblies and provides a foundation for new workers in the area, as well as background reading for experienced supramolecular chemists.

Functional Supramolecular Architectures

Functional Supramolecular Architectures
Author: Paolo Samorì
Publisher: John Wiley & Sons
Total Pages: 1332
Release: 2014-06-13
Genre: Technology & Engineering
ISBN: 3527689915
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A comprehensive overview of functional nanosystems based on organic and polymeric materials and their impact on current and future research and technology in the highly interdisciplinary field of materials science. As such, this handbook covers synthesis and fabrication methods, as well as properties and characterization of supramolecular architectures. Much of the contents are devoted to existing and emerging applications, such as organic solar cells, transistors, diodes, nanowires and molecular switches. The result is an indispensable resource for materials scientists, organic chemists, molecular physicists and electrochemists looking for a reliable reference on this hot topic.

Self-Assembled Nanomaterials II

Self-Assembled Nanomaterials II
Author: Toshimi Shimizu
Publisher: Springer
Total Pages: 200
Release: 2008-10-10
Genre: Technology & Engineering
ISBN: 3540851054
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Nanotechnology is the creation of useful materials, devices, and systems through the control of matter on the nanometer-length scale. This takes place at the scale of atoms, molecules, and supramolecular structures. In the world of chemistry, the rational design of molecular structures and optimized control of self-assembly conditions have enabled us to control the resultant self-assembled morphologies having 1 to 100-nm dimensions with sing- nanometer precision. This current research trend applying the bottom-up approach to molecules remarkably contrasts with the top-down approach in nanotechnology, in which electronic devices are miniaturizing to smaller than 30 nm. However, even engineers working with state-of-the-art computer te- nology state that maintaining the rate of improvement based on Moore’s law will be the most dif?cult challenge in the next decade. On the other hand, the excellent properties and intelligent functions of a variety of natural materials have inspired polymer and organic chemists to tailor their synthetic organic alternatives by extracting the essential structural elements. In particular, one-dimensional structures in nature with sophis- cated hierarchy, such as myelinated axons in neurons, tendon, protein tubes of tubulin, and spider webs, provide intriguing examples of integrated functions and properties. Against this background, supramolecular self-assembly of one-dimensional architectures like ?bers and tubes from amphiphilic molecules, bio-related molecules, and properly designed self-assembling polymer molecules has - tracted rapidly growing interest.