Materials Chirality

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Dieser Sonderband der Reihe "Topics in Stereochemistry" beschäftigt sich mit der Chiralität von Werkstoffen und der Bedeutung der Stereochemie für bestimmte Polymere, Flüssigkristalle und andere spezielle Materialien. Die Grundlage dafür bilden die ausführlich dargestellten Prinzipien der organischen Stereochemie. Das aktuellste derzeit erhältliche Buch zur Chiralität!

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Genre : Science
Author : Mark M. Green
Publisher : John Wiley & Sons
Release : 2004-05-07
File : 625 Pages
ISBN-13 : 9780471471905


Chirality In Supramolecular Assemblies

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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.

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Genre : Science
Author : F. Richard Keene
Publisher : John Wiley & Sons
Release : 2017-01-03
File : 722 Pages
ISBN-13 : 9781118867310


Fundamentals Of Supramolecular Chirality

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Fundamentals of Supramolecular Chirality is a critical description of the start and advancement of supramolecular chirality. This book focuses on the noncovalent approach with some supplementary examples of covalent supramolecular chirality.This contribution to supramolecular chirality is not intended to be a mere catalogue and description of the work done. It also traces a philosophical path following the development and possible perspectives of this topic, providing not a review but a critical examination of the field.

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Genre : Science
Author : Roberto Purrello
Publisher : World Scientific
Release : 2021-10-18
File : 225 Pages
ISBN-13 : 9781800610262


Chiral Nanomaterials

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Thorough and up-to-date, this book presents recent developments in this exciting research field. To begin with, the text covers the fabrication of chiral nanomaterials via various synthesis methods, including electron beam lithography, ion beam etching, chemical synthesis and biological DNA directed assembly. This is followed by the relevant theory and reaction mechanisms, with a discussion of the characterization of chiral nanomaterials according to the optical properties of metal nanoparticles, semiconductor nanocrystals, and nanoclusters. The whole is rounded off by a summary of applications in the field of catalysis, sensors, and biomedicine. With its comprehensive yet concise coverage of the whole spectrum of research, this is invaluable reading for senior researchers and entrants to the field of nanoscience and materials science.

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Genre : Technology & Engineering
Author : Zhiyong Tang
Publisher : John Wiley & Sons
Release : 2018-03-05
File : 300 Pages
ISBN-13 : 9783527337576


Chirality From Molecular Electronic States

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In chemistry, biology, and physics, "chirality" is an important concept in nature. Especially in chemistry, not only classical stereochemistry but also asymmetric organic synthesis, supramolecular chemistry, construction of bio-related molecules and molecular recognition became indispensable structural chemical keywords. However, in view of synthetic chemistry and its structural chemistry, chemistry dealing with chirality in relation to the more fundamental electronic state is still a minority. This book is particularly aimed at chiroptical spectroscopy, structural or physical features and theoretical computation of chirality.

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Genre : Science
Author : Takashiro Akitsu
Publisher : BoD – Books on Demand
Release : 2019-02-06
File : 130 Pages
ISBN-13 : 9781789851557


Chiral Matter Proceedings Of The Nobel Symposium 167

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A geometric figure has chirality, or handedness, if its mirror image cannot be brought to coincide with itself. The concept of chirality was instrumental in establishing the tetrahedral valences of the carbon atom, and has continued to play a key role in chemistry and molecular biology ever since.The fact that living organisms use only one of two mirror isomers of such molecules as amino acids and sugars, that is, the question of the origin of homochirality of the molecular basis of life, remains an unsolved problem of the same dignity as the origin of dark matter and dark energy.The increasing importance of chirality and topology in condensed matter physics and chemistry, and the production of new states of matter in heavy-ion collisions, have brought the concept of chirality into physics and cosmology in a tangible way while at the same time expanded the physics/chemistry interface. The book is the first to address all aspects of chirality in a single volume.

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Genre : Science
Author : Egor Babaev
Publisher : World Scientific
Release : 2023-02-13
File : 277 Pages
ISBN-13 : 9789811265075


Chirality Magnetism And Magnetoelectricity

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This book discusses theoretical and experimental advances in metamaterial structures, which are of fundamental importance to many applications in microwave and optical-wave physics and materials science. Metamaterial structures exhibit time-reversal and space-inversion symmetry breaking due to the effects of magnetism and chirality. The book addresses the characteristic properties of various symmetry breaking processes by studying field-matter interaction with use of conventional electromagnetic waves and novel types of engineered fields: twisted-photon fields, toroidal fields, and magnetoelectric fields. In a system with a combined effect of simultaneous breaking of space and time inversion symmetries, one observes the magnetochiral effect. Another similar phenomenon featuring space-time inversion symmetries is related to use of magnetoelectric materials. Cross-coupling of the electric and magnetic components in these material structures, leading to the appearance of new magnetic modes with an electric excitation channel – electromagnons and skyrmions – has resulted in a wealth of strong optical effects such as directional dichroism, magnetochiral dichroism, and rotatory power of the fields. This book contains multifaceted contributions from international leading experts and covers the essential aspects of symmetry-breaking effects, including theory, modeling and design, proven and potential applications in practical devices, fabrication, characterization and measurement. It is ideally suited as an introduction and basic reference work for researchers and graduate students entering this field.

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Genre : Science
Author : Eugene Kamenetskii
Publisher : Springer Nature
Release : 2021-03-27
File : 587 Pages
ISBN-13 : 9783030628444


Chirality At Solid Surfaces

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A comprehensive introduction to the fundamental aspects of surface chirality, covering both chemical and physical consequences Written by a leading expert in the field, Chirality at Solid Surfaces offers an introduction to the concept of chirality at surfaces, starting from the foundation of chirality in isolated molecules and bulk systems. Fundamental properties such as surface energy and surface stress are then linked to a universal systematization of surface structure and symmetry. The author includes key examples of surface chemistry and physics, such as the interplay between adsorbate and substrate chirality, amplification of chirality, chiral catalysis, and the influence of surface chirality upon optical and magnetic phenomena. The book also explores the chirality apparent in the electronic structure of graphene, topological insulators and half-metallic materials. This important reference: Provides an introduction to the fundamental concept of chirality Contains discussions of the chemical and physical consequences of surface chirality, including magnetic, electronic and optical properties in addition to molecular properties Offers an account of the most current research needed to support growth in the field Written for surface scientists, professionals in the field, academics, and students, Chirality at Solid Surfaces is an essential resource that contains an overview of the fundamentals of surface chirality and reviews both the chemical and physical consequences.

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Genre : Science
Author : Stephen J. Jenkins
Publisher : John Wiley & Sons
Release : 2018-01-08
File : 462 Pages
ISBN-13 : 9781118880142


Chirality In Biological Nanospaces

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Chirality is widely studied and omnipresent in biological molecules. However, how the retention of enantiomeric forms persists in many life processes without racemization is still unclear, and the molecular understanding of the stringent chiral specificity in enzymatic reactions is sparse. Vital life processes occur within the active sites of large biological macromolecules such as proteins, nucleic acids, and lipids. These nanodimensional structures greatly accelerate biological reactions. The chirality of the reactants also has a strong influence on the process, but its importance in such biological reactions has only recently begun to be understood. This book explores the influence of chirality on reaction mechanisms in such biological nanospaces. The text addresses the influence of the chirality of amino acid and sugar in the active sites of transferase, oxidoreductases, hydrolases, lysases, isomerase, ligases, and other systems. It also covers ribosomal architecture.

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Genre : Medical
Author : Nilashis Nandi
Publisher : CRC Press
Release : 2011-07-27
File : 212 Pages
ISBN-13 : 9781040198377


Chiral Luminescence

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Comprehensive resource illustrating the latest stage and development of chiral luminescence in science and technology, from fundamentals to applications Chiral Luminescence imparts a comprehensive understanding for chiral materials bearing circularly polarized luminescence (CPL) functions, including molecules, oligomers, polymers, chiral metal organic complexes, and chiral biochemical materials, with guidance on how to promote and control this kind of luminescence towards the development of advanced photonic materials and devices such as chiroptical and electronic devices, next-generation displays, and others. The book covers detailed information on the molecular design, synthesis, and polymerization methods of chiral luminescent materials, the evaluation of chiroptical properties represented by CPL, novel spectroscopic instruments and techniques, the fabrication of chiral luminescent devices such CPL-OLED, a theoretical evaluation, and potential applications. With insight from leading academics and industrial researchers in the field, Chiral Luminescence includes information on: Optical resolution and chiroptical properties of partially overlapping carbazolophanes and developments in CPL research using cyclodextrins Synthesis and chiroptical properties of helical, conjugated polymers and twisted molecules, and chiroptical and magnetooptical properties of porphyrin compounds Principles of CPL measurement systems and advances in measurement methods, and intense and sign-invertible CPL Development of organic light-emitting diodes using aggregation-induced enhanced CPL perylene diimides Binding constants as fundamental physical properties for quantitative treatments of sensing processes in supramolecular systems Providing far-reaching coverage of chiral luminescence and its many applications, Chiral Luminescence is a must-read resource for a variety of chemists and engineers who wish to understand the state-of-the-art development in this optical science.

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Genre : Science
Author : Kazuo Akagi
Publisher : John Wiley & Sons
Release : 2024-04-09
File : 1201 Pages
ISBN-13 : 9783527841097