Functionalization of Molecular Architectures

Functionalization of Molecular Architectures
Author: Kazuhiro Shikinaka
Publisher: CRC Press
Total Pages: 164
Release: 2018-11-02
Genre: Science
ISBN: 1351366777
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Low-dimensional compounds are molecules that correspond to various shapes, such as rod, ladder (one-dimensional compounds), and sheet (two-dimensional compounds). They are ordinarily found in electromagnetic fields. Recently, versatile low-dimensional compounds were proposed for use as components of various functional materials. These new-class low-dimensional compounds contribute significantly to industrial/materials sciences. The molecular architecture consisting of low-dimensional compounds can also be found in nature. One example is the cell cytoskeleton, which is a network- or bundle-like architecture consisting of rod-like protein assemblies. The cell accomplishes its motility by structural transition of the cytoskeleton—that is, phase transition of the architecture of low-dimensional compounds in response to some stimuli induces shape changes in cells. Another example is nacre, which is composed of layered aragonite platelets, usually a metastable CaCO3 polymorph. The layered inorganic platelets give nacre its stiffness and noncombustibility. Thus, the molecular architecture of low-dimensional compounds in natural life contributes to their functionality. This book reviews various advanced studies on the application of low-dimensional compounds and is, therefore, important for the development of materials sciences and industrial technologies.

Functionalization of Molecular Architectures

Functionalization of Molecular Architectures
Author: Kazuhiro Shikinaka
Publisher: CRC Press
Total Pages: 226
Release: 2018-11-02
Genre: Science
ISBN: 1351366769
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Low-dimensional compounds are molecules that correspond to various shapes, such as rod, ladder (one-dimensional compounds), and sheet (two-dimensional compounds). They are ordinarily found in electromagnetic fields. Recently, versatile low-dimensional compounds were proposed for use as components of various functional materials. These new-class low-dimensional compounds contribute significantly to industrial/materials sciences. The molecular architecture consisting of low-dimensional compounds can also be found in nature. One example is the cell cytoskeleton, which is a network- or bundle-like architecture consisting of rod-like protein assemblies. The cell accomplishes its motility by structural transition of the cytoskeleton—that is, phase transition of the architecture of low-dimensional compounds in response to some stimuli induces shape changes in cells. Another example is nacre, which is composed of layered aragonite platelets, usually a metastable CaCO3 polymorph. The layered inorganic platelets give nacre its stiffness and noncombustibility. Thus, the molecular architecture of low-dimensional compounds in natural life contributes to their functionality. This book reviews various advanced studies on the application of low-dimensional compounds and is, therefore, important for the development of materials sciences and industrial technologies.

Three Dimensional Molecular Architectures for the Synthesis and Improved Properties of High Performance Polymers

Three Dimensional Molecular Architectures for the Synthesis and Improved Properties of High Performance Polymers
Author: Brett Steven VanVeller
Publisher:
Total Pages: 148
Release: 2011
Genre:
ISBN:
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Conjugated polymers have found various uses in optoelectronic applications, including chemical sensors, light-emitting diodes, and photovoltaic materials. In this thesis, we investigate the effect of having a molecular architecture that is both rigid and three-dimensional might play in the synthesis and performance of conjugated polymers. We discuss the efficient synthesis of a hydrophilic monomer bearing a threedimensional noncompliant array of hydroxyl groups that prevents water-driven excimer features of hydrophobic poly(p-phenylene ethynylene) backbones. We also use the detection of 3-nitrotyrosine as a probe to learn more about its physical state in solution. We further utilize the monomer above in a biocompatible post-polymerization functionalization reaction, taking advantage of the polymer's structural motif for the controllable attachment of biotin. The utility of this method is demonstrated for a model biosensor that responds to streptavidin. Finally, we discuss how rigid molecular architectures can be harnessed to bring two reacting groups together for the annulation of various [pi]-systems. The optical effects of the transformation are both notable and predictable, and the molecules have potential as monomers for conjugated polymer application in high performance organic light emitting diodes and photovoltaic devices.

Complex Macromolecular Architectures

Complex Macromolecular Architectures
Author: Nikos Hadjichristidis
Publisher: John Wiley & Sons
Total Pages: 840
Release: 2011-04-20
Genre: Science
ISBN: 0470828277
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The field of CMA (complex macromolecular architecture) stands at the cutting edge of materials science, and has been a locus of intense research activity in recent years. This book gives an extensive description of the synthesis, characterization, and self-assembly of recently-developed advanced architectural materials with a number of potential applications. The architectural polymers, including bio-conjugated hybrid polymers with poly(amino acid)s and gluco-polymers, star-branched and dendrimer-like hyperbranched polymers, cyclic polymers, dendrigraft polymers, rod-coil and helix-coil block copolymers, are introduced chapter by chapter in the book. In particular, the book also emphasizes the topic of synthetic breakthroughs by living/controlled polymerization since 2000. Furthermore, renowned authors contribute on special topics such as helical polyisocyanates, metallopolymers, stereospecific polymers, hydrogen-bonded supramolecular polymers, conjugated polymers, and polyrotaxanes, which have attracted considerable interest as novel polymer materials with potential future applications. In addition, recent advances in reactive blending achieved with well-defined end-functionalized polymers are discussed from an industrial point of view. Topics on polymer-based nanotechnologies, including self-assembled architectures and suprastructures, nano-structured materials and devices, nanofabrication, surface nanostructures, and their AFM imaging analysis of hetero-phased polymers are also included. Provides comprehensive coverage of recently developed advanced architectural materials Covers hot new areas such as: click chemistry; chain walking; polyhomologation; ADMET Edited by highly regarded scientists in the field Contains contributions from 26 leading experts from Europe, North America, and Asia Researchers in academia and industry specializing in polymer chemistry will find this book to be an ideal survey of the most recent advances in the area. The book is also suitable as supplementary reading for students enrolled in Polymer Synthetic Chemistry, Polymer Synthesis, Polymer Design, Advanced Polymer Chemistry, Soft Matter Science, and Materials Science courses. Color versions of selected figures can be found at www.wiley.com/go/hadjichristidis

Functionalization of Semiconductor Surfaces

Functionalization of Semiconductor Surfaces
Author: Franklin Tao
Publisher: John Wiley & Sons
Total Pages: 456
Release: 2012-04-10
Genre: Technology & Engineering
ISBN: 0470562943
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This book presents both fundamental knowledge and latest achievements of this rapidly growing field in the last decade. It presents a complete and concise picture of the the state-of-the-art in the field, encompassing the most active international research groups in the world. Led by contributions from leading global research groups, the book discusses the functionalization of semiconductor surface. Dry organic reactions in vacuum and wet organic chemistry in solution are two major categories of strategies for functionalization that will be described. The growth of multilayer-molecular architectures on the formed organic monolayers will be documented. The immobilization of biomolecules such as DNA on organic layers chemically attached to semiconductor surfaces will be introduced. The patterning of complex structures of organic layers and metallic nanoclusters toward sensing techniques will be presented as well.

Polyelectrolytes with Defined Molecular Architecture I

Polyelectrolytes with Defined Molecular Architecture I
Author: Manfred Schmidt
Publisher: Springer
Total Pages: 273
Release: 2004-01-21
Genre: Technology & Engineering
ISBN: 3540364331
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Praise for Ed M.Schmidt's, Polyelectrolytes with Defined Molecular Architecture I POLYMERNEWS "All articles are well prepared and structured. Although not written as textbooks, general introductions of the chapters provide basic knowledge of the separate fields, methods and theoretical background. Therefore, the volumes can be recommended not only for specialists in the field. The books make an important contribution to polyelectrolyte research and application. I recommend the volumes to all scientists and engineers actively dealing with polyelectrolytes."

Novel Architectures in Cavitand Chemistry

Novel Architectures in Cavitand Chemistry
Author: Keith Robert Hermann
Publisher:
Total Pages: 181
Release: 2014
Genre:
ISBN:
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As long as chemists have marveled at the specificity of interactions in enzymes, nucleic acids, and other biological motifs that contain an inner cavity, there has been much desire to construct molecules that mimic these in function. Inspired by work performed by Charles J. Pederson on crown ethers, Donald J. Cram conducted seminal research into the construction and the host-guest interactions of a number of molecular architectures, specifically with his work on carcerands and hemicarcerands. Since Cram's early work, the field of cavitand chemistry has taken off, providing endless examples in architecture capable of enclosing the space around a guest molecule. Some common examples of artificial hosts are cryptophanes, cucurbit[n]urils, and calixaranes. Function and application vary as much as structure, and range from stabilizing reactive intermediates and probing fundamental questions in physical organic chemistry, to drug delivery and chiral separations. Meanwhile, in the Badjic Group, the development of cavitands functionalized with dynamic apertures, or gates, have allowed us to probe fundamental questions in the kinetics of encapsulation. These studies have relied upon a single symmetric host. As a result, the group has taken on the challenge of constructing new architectures giving consideration toward the inner space geometry to allow for installation of "gate" moieties onto these architectures. My research efforts have focused on the development of these new molecular architectures, with applications towards molecular recognition. Three journeys will be described, about how the key bicyclic core is transformed to give rise to differently shaped hosts. These synthetic methodologies allow for multi-gram syntheses of desired products and better potential control of their stereochemistry, all the while utilizing more environmentally friendly methodologies. Currently being explored is using these architectures for different possible applications, including studying recognition phenomena, and perhaps building chiroptical sensors capable of reporting on the presence of minute quantities of chiral substances in the environment.

Functionalization of Polyolefins

Functionalization of Polyolefins
Author: T. C. Mike Chung
Publisher: Elsevier
Total Pages: 290
Release: 2002-02-04
Genre: Technology & Engineering
ISBN: 0080477933
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Polyolefins are the most widely used commercial polymers and their functionalization has been a long standing scientific challenge and an industrially important area. In recent decades significant progress has been made in the area, with exciting results reported in many journals. Functionalization of Polyolefins is the first book to summarize the significant experimental results on the functionalization of polyolefins and classify them into several chemical methods (shown in each chapter of this book). The book also provides an update on the functional polyolefin materials available today. The two key subject categories covered are: Chemical approaches in the functionalization of polyolefins New available polyolefin materials and their potential applications The book includes: The historic development and future prospects for polyolefins Functionalization chemistry, classified into four general approaches Chemical approaches with experimental results Functionalization approaches The book provides an invaluable reference for researchers in industry and academia interested in functionalization chemistry and polymers. It has been developed through Professor Chung's own teaching experience, both at Pennsylvania State University and on short courses. It is therefore ideally suited as a core text for advanced polymer chemistry and courses on polyolefins and polymers, as well as being a useful supplementary reference for introductory courses on polyolefin chemistry and materials. T.C. Mike Chung is Professor of Polymer Science in the Materials Science and Engineering Department, Pennsylvania State University, USA. He is one of the most experienced people in the field of polyolefin functionalization, with a wide-ranging knowledge gained through many years of experience both in academia and industry. Shows the available functionalisation approaches with a discussion of their scope and limitations Written by one of the most experienced people in this field

Functionalization of Graphene

Functionalization of Graphene
Author: Vasilios Georgakilas
Publisher: John Wiley & Sons
Total Pages: 507
Release: 2014-04-03
Genre: Science
ISBN: 352767277X
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All set to become the standard reference on the topic, this book covers the most important procedures for chemical functionalization, making it an indispensable resource for all chemists, physicists, materials scientists and engineers entering or already working in the field. Expert authors share their knowledge on a wide range of different functional groups, including organic functional groups, hydrogen, halogen, nanoparticles and polymers.