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Intra- and Intermolecular Interactions between Non-covalently Bonded Species

Intra- and Intermolecular Interactions between Non-covalently Bonded Species
A Book

by Elliot R. Bernstein

  • Publisher : Elsevier
  • Release : 2020-09-10
  • Pages : 308
  • ISBN : 0128175877
  • Language : En, Es, Fr & De
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The study of gases, clusters, liquids, and solids as units or systems, eventually focuses on the properties of these systems as governed by interactions between atoms, molecules, and radicals that are not covalently bonded to one another. The stereo/spatial properties of molecular species themselves are similarly controlled, with such interactions found throughout biological, polymeric, and cluster systems and are a central feature of chemical reactions. Nevertheless, these interactions are poorly described and characterized, with efforts to do so, usually based on a particular quantum or even classical mechanical procedure, obscuring the fundamental nature of the interactions in the process. Intra- and Intermolecular Interactions Between Noncovalently Bonded Species addresses this issue directly, defining the nature of the interactions and discussing how they should and should not be described. It reviews both theoretical developments and experimental procedures in order to explore interactions between nonbonded entities in such a fundamental manner as to elucidate their nature and origins. Drawing attention to the extensive experience of its editor and team of expert authors, Intra- and Intermolecular Interactions Between Noncovalently Bonded Species is an indispensable guide to the foundational knowledge, latest advances, most pressing challenges, and future directions for all those whose work is influenced by these interactions. Comprehensively describes the nature of interactions between nonbonded species in biological systems, liquids, crystals, clusters, and in particular, water. Combines fundamental, theoretical, background information based on various approximations with the knowledge of experimental techniques. Outlines interactions clearly and consistently with a particular focus on frequency and time-resolved spectroscopies as applied to these interactions.

Principles of Polymer Science and Technology in Cosmetics and Personal Care

Principles of Polymer Science and Technology in Cosmetics and Personal Care
A Book

by E. Desmond Goddard,James V. Gruber

  • Publisher : CRC Press
  • Release : 1999-03-10
  • Pages : 688
  • ISBN : 1135552959
  • Language : En, Es, Fr & De
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Principles of Polymer Science and Technology in Cosmetics and Personal Care

Engineering Crystallography: From Molecule to Crystal to Functional Form

Engineering Crystallography: From Molecule to Crystal to Functional Form
A Book

by Kevin J. Roberts,Robert Docherty,Rui Tamura

  • Publisher : Springer
  • Release : 2017-07-18
  • Pages : 478
  • ISBN : 9402411178
  • Language : En, Es, Fr & De
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This book highlights the current state-of-the-art regarding the application of applied crystallographic methodologies for understanding, predicting and controlling the transformation from the molecular to crystalline state with the latter exhibiting pre-defined properties. This philosophy is built around the fundamental principles underpinning the three inter-connected themes of Form (what), Formation (how) and Function (why). Topics covered include: molecular and crystal structure, chirality and ferromagnetism, supramolecular assembly, defects and reactivity, morphology and surface energetics. Approaches for preparing crystals and nano-crystals with novel physical, chemical and mechanical properties include: crystallisation, seeding, phase diagrams, polymorphic control, chiral separation, ultrasonic techniques and mechano-chemistry. The vision is realised through examination of a range of advanced analytical characterisation techniques including in-situ studies. The work is underpinned through an unprecedented structural perspective of molecular features, solid-state packing arrangements and surface energetics as well as in-situ studies. This work will be of interest to researchers, industrialists, intellectual property specialists and policy makers interested in the latest developments in the design and supply of advanced high added-value organic solid-form materials and product composites.

Reaction Dynamics Involving Ions, Radicals, Neutral and Excited Species

Reaction Dynamics Involving Ions, Radicals, Neutral and Excited Species
A Book

by Stefano Falcinelli,Antonio Aguilar,Paolo Tosi,Marzio Rosi

  • Publisher : Frontiers Media SA
  • Release : 2020-01-22
  • Pages : 129
  • ISBN : 2889634302
  • Language : En, Es, Fr & De
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Emulsifiers in Food Technology

Emulsifiers in Food Technology
A Book

by Viggo Norn

  • Publisher : John Wiley & Sons
  • Release : 2014-12-15
  • Pages : 372
  • ISBN : 0470670630
  • Language : En, Es, Fr & De
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Emulsifiers are essential components of many industrial food recipes. They have the ability to act at the interface between two phases, and so can stabilise the desired mix of oil and water in a mayonnaise, ice cream or salad dressing. They can also stabilise gas/liquid mixtures in foams. More than that, they are increasingly employed in textural and organoleptic modification, in shelf life enhancement, and as complexing or stabilising agents for other components such as starch or protein. Applications include modifying the rheology of chocolate, the strengthening of dough, crumb softening and the retardation of staling in bread. This volume, now in a revised and updated second edition, introduces emulsifiers to those previously unfamiliar with their functions, and provides a state of the art account of their chemistry, manufacture, application and legal status for more experienced food technologists. Each chapter considers one of the main chemical groups of food emulsifiers. Within each group the structures of the emulsifiers are considered, together with their modes of action. This is followed by a discussion of their production / extraction and physical characteristics, together with practical examples of their application. Appendices cross-reference emulsifier types with applications, and give E-numbers, international names, synonyms and references to analytical standards and methods. This is a book for food scientists and technologists, ingredients suppliers and quality assurance personnel.

Kirk-Othmer Concise Encyclopedia of Chemical Technology, 2 Volume Set

Kirk-Othmer Concise Encyclopedia of Chemical Technology, 2 Volume Set
A Book

by Kirk-Othmer

  • Publisher : John Wiley & Sons
  • Release : 2007-07-16
  • Pages : 2762
  • ISBN : 0470047488
  • Language : En, Es, Fr & De
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This is an easily-accessible two-volume encyclopedia summarizing all the articles in the main volumes Kirk-Othmer Encyclopedia of Chemical Technology, Fifth Edition organized alphabetically. Written by prominent scholars from industry, academia, and research institutions, the Encyclopedia presents a wide scope of articles on chemical substances, properties, manufacturing, and uses; on industrial processes, unit operations in chemical engineering; and on fundamentals and scientific subjects related to the field.

Calixarenes and Beyond

Calixarenes and Beyond
A Book

by Placido Neri,Jonathan L. Sessler,Mei-Xiang Wang

  • Publisher : Springer
  • Release : 2016-08-12
  • Pages : 1062
  • ISBN : 3319318675
  • Language : En, Es, Fr & De
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Contributions featuring the chemistry and applications of a family of macrocyclic compounds collectively known as 'calixarenes' are presented in this edited volume. The arsenal of structures based on calixarenes provides tools which are effective in numerous areas of supramolecular chemistry. The Editors have compiled a timely volume which contains up to date, high calibre contributions from a large number of international authors. A broad perspective on the progress and future of calixarene chemistry is presented. Aimed at students and researchers active in Supramolecular Chemistry.

Highlights in Bioorganic Chemistry

Highlights in Bioorganic Chemistry
Methods and Applications

by Carsten Schmuck,Helma Wennemers

  • Publisher : John Wiley & Sons
  • Release : 2006-01-24
  • Pages : 600
  • ISBN : 3527604081
  • Language : En, Es, Fr & De
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This is a fascinating introduction to the topic. Spanning the spectrum of nucleic acid chemistry, carbohydrates, peptides, molecular recognition, biosynthesis and natural biosynthesis, right up to medical and biophysical chemistry, the book provides advanced students and those already working in the field with a balanced overview. In more than 30 contributions, a new generation of recognized scientists gives an account of the latest research in such areas as * Artificial receptors for the stabilization of ß-sheet structures * Carbohydrate recognition by artificial receptors * Combinatorial chemistry as a tool for the discovery of catalysts * The interaction of NO and peroxynitrite with hemoglobin and myoglobin * Inhibitors against human mast-cell-tryptase as a potential approach to conquering asthma * The selectivity of DNA replication. A readily accessible survey for everyone wishing to stay abreast of developments. With a Foreword by Ronald Breslow.

Polymer Dynamics and Relaxation

Polymer Dynamics and Relaxation
A Book

by Richard Boyd,Grant Smith

  • Publisher : Cambridge University Press
  • Release : 2007-09-13
  • Pages : 129
  • ISBN : 1107320259
  • Language : En, Es, Fr & De
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Polymers exhibit a range of physical characteristics, from rubber-like elasticity to the glassy state. These particular properties are controlled at the molecular level by the mobility of the structural constituents. Remarkable changes in mobility can be witnessed with temperature, over narrow, well defined regions, termed relaxation processes. This is an important, unique phenomenon controlling polymer transition behaviour and is described here at an introductory level. The important types of relaxation processes from amorphous to crystalline polymers and polymeric miscible blends are covered, in conjunction with the broad spectrum of experimental methods used to study them. In-depth discussion of molecular level interpretation, including atomistic level computer simulations and applications to molecular mechanism elucidation, are discussed. The result is a self-contained approach to polymeric interpretation suitable for researchers in materials science, physics and chemistry interested in the relaxation processes of polymeric systems.

Advances in Molecular Structure Research

Advances in Molecular Structure Research
A Book

by Anonim

  • Publisher : Elsevier
  • Release : 1996-03-20
  • Pages : 254
  • ISBN : 9780080560755
  • Language : En, Es, Fr & De
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Advances in Molecular Structure Research

Introductory Organic Chemistry and Hydrocarbons

Introductory Organic Chemistry and Hydrocarbons
A Physical Chemistry Approach

by Caio Lima Firme

  • Publisher : CRC Press
  • Release : 2019-08-28
  • Pages : 438
  • ISBN : 1351205773
  • Language : En, Es, Fr & De
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A novel proposal for teaching organic chemistry based on a broader and simplified use of quantum chemistry theories and notions of some statistical thermodynamic concepts aiming to enrich the learning process of the organic molecular properties and organic reactions. A detailed physical chemistry approach to teach organic chemistry for undergraduate students is the main aim of this book. A secondary objective is to familiarize undergraduate students with computational chemistry since most of illustrations of optimized geometries (plus some topological graphs) and information is from quantum chemistry outputs which will also enable students to obtain a deeper understanding of organic chemistry.

Understanding Hydrogen Bonds

Understanding Hydrogen Bonds
Theoretical and Experimental Views

by Sławomir J Grabowski

  • Publisher : Royal Society of Chemistry
  • Release : 2020-11-18
  • Pages : 450
  • ISBN : 183916042X
  • Language : En, Es, Fr & De
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Hydrogen bonded systems play an important role in all aspects of science but particularly chemistry and biology. Notably, the helical structure of DNA is heavily reliant on the hydrogens bonds between the DNA base pairs. Although the area of hydrogen bonding is one that is well established, our understanding has continued to develop as the power of both computational and experimental techniques has improved. Understanding Hydrogen Bonds presents an up-to-date overview of our theoretical and experimental understanding of the hydrogen bond. Well-established and novel approaches are discussed, including quantum theory of ‘atoms in molecules’ (QTAIM); the electron localization function (ELF) method and Car–Parinnello molecular dynamics; the natural bond orbital (NBO) approach; and X-ray and neutron diffraction and spectroscopy. The mechanism of hydrogen bond formation is described and comparisons are made between hydrogen bonds and other types of interaction. The author also takes a look at new types of interaction that may be classified as hydrogen bonds with a focus on those with multicentre proton acceptors or with multicentre proton donors. Understanding Hydrogen Bonds is a valuable reference for experimentalists and theoreticians interested in updating their understanding of the types of hydrogen bonds, their role in chemistry and biology, and how they can be studied.

Nanoscience in Dermatology

Nanoscience in Dermatology
A Book

by Michael R. Hamblin,Pinar Avci,Tarl Prow

  • Publisher : Academic Press
  • Release : 2016-08-13
  • Pages : 402
  • ISBN : 0128029455
  • Language : En, Es, Fr & De
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Nanoscience in Dermatology covers one of the two fastest growing areas within dermatological science, nanoscience and nanotechnology in dermatology. Recently, great progress has been made in the research and development of nanotechnologies and nanomaterials related to various applications in medicine and, in general, the life sciences. There is increasing enthusiasm for nanotechnology applications in dermatology (drug delivery, diagnostics, therapeutics, imaging, sensors, etc.) for understanding skin biology, improving early detection and treatment of skin diseases, and in the design and optimization of cosmetics. Light sensitive nanoparticles have recently been explored, opening a new era for the combined applications of light with nanotechnology, also called photonanodermatology. However, concerns have been raised regarding the adverse effects of intentional and unintentional nanoparticle exposure and their toxicity. Written by experts working in these exciting fields, this book extensively covers nanotechnology applications, together with the fundamentals and toxicity aspects. It not only addresses current applications of nanotechnology, but also discusses future trends of these ever-growing and rapidly changing fields, providing scientists and dermatologists with a clear understanding of the advantages and challenges of nanotechnology in skin medicine. Provides knowledge of current and future applications of nanoscience and nanotechnology in dermatology Outlines the fundamentals, methods, toxicity aspects, and other relevant aspects for nanotechnology based applications in dermatology Coherently structured book written by experts working in the fields covered

Chemosensors

Chemosensors
Principles, Strategies, and Applications

by Binghe Wang,Eric V. Anslyn

  • Publisher : John Wiley & Sons
  • Release : 2011-08-24
  • Pages : 524
  • ISBN : 9781118019573
  • Language : En, Es, Fr & De
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A thorough, accessible, and general overview of chemosensors Providing a comprehensive overview of chemosensors—organic molecules designed to bind and sense small molecules or metal ions—and their applications, Chemosensors: Principles, Strategies, and Applications is an accessible one-stop resource for analysts, clinicians, and graduate students studying advanced chemistry and chemosensing. Chemosensors function on a molecular level, generating a signal upon binding. The book reviews their synthesis, design, and applications for detecting biological and organic molecules as well as metal ions. The text highlights applications in drug discovery and catalyses that have not been well covered elsewhere. Covering such topics as molecular recognition, detection methods, design strategies, and important biological issues, the book is broken into four sections that examine intermolecular interactions, strategies in sensor design, detection methods, and case studies in metal, saccharide, and amino acid sensing. An indispensable source of information for chemical and biomedical experts using sensors, Chemosensors includes case studies to make the material both accessible and understandable to chemists of all backgrounds.

Structural Biological Materials

Structural Biological Materials
Design and Structure-Property Relationships

by M. Elices

  • Publisher : Elsevier
  • Release : 2000-05-08
  • Pages : 380
  • ISBN : 9780080541907
  • Language : En, Es, Fr & De
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The ongoing process of bio-evolution has produced materials which are perfectly adapted to fulfil a specific functional role. The natural world provides us with a multitude of examples of materials with durability, strength, mechanisms of programmed self-assembly and biodegradability. The materials industry has sought to observe and appreciate the relationship between structure, properties and function of these biological materials. A multidisciplinary approach, building on recent advances at the forefront of physics, chemistry and molecular biology, has been successful in producing many synthetic structures with interesting and useful properties. Structural Biological Materials: Design and Structure-Property Relationships represents an invaluable reference in the field of biological materials science and provides an incisive view into this rapidly developing and increasingly important topic within materials science. This book focuses on the study of three sub-groups of structural biological materials: • Hard tissue engineering, focussing on cortical bone • Soft tissue engineering • Fibrous materials, particularly engineering with silk fibers. The fundamental relationship between structure and properties, and certain aspects of design and engineering, are explored in each of the sub-groups. The importance of these materials, both in their intrinsic properties and specific functions, are illustrated with relevant examples. These depict the successful integration of material properties, architecture and shape, providing a wide range of optimised designs, tailored to specific functions. Edited by Manuel Elices of the Universidad Politécnica de Madrid, Spain, this book is Volume 4 in the Pergamon Material Series.

Topological Modelling of Nanostructures and Extended Systems

Topological Modelling of Nanostructures and Extended Systems
A Book

by Ali Reza Ashrafi,Franco Cataldo,Ali Iranmanesh,Ottorino Ori

  • Publisher : Springer Science & Business Media
  • Release : 2013-05-19
  • Pages : 575
  • ISBN : 9400764138
  • Language : En, Es, Fr & De
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Topological Modelling of Nanostructures and Extended Systems completes and expands upon the previously published title within this series: The Mathematics and Topology of Fullerenes (Vol. 4, 2011) by gathering the latest research and advances in materials science at nanoscale. It introduces a new speculative area and novel concepts like topochemical reactions and colored reactive topological indices and provides a better understanding of the physical-chemical behaviors of extended systems. Moreover, a charming new family of space-filling fullerenic crystals is here analyzed for the first time. Particular attention is given to the fundamental influences exercised by long-range connectivity topological mechanisms on the chemical and physical properties of carbon nanostructures. Systems consisting in graphenic layers with structural and topological defects are investigated in their electronic and magnetic behaviors also in presence of metallic particles. More specifically, the book focuses on: - Electronic Properties of low dimensional nanostructures including negatively-curved carbon surfaces; Pariser-Parr-Pople model hamiltonian approach to graphene studies; - Topochemistry and Toporeactcivity of extended sp2-nanocarbons: PAH, fullerenes, nanoribbons, Moebius-like nanoribbons, nanotubes and grapheme; - Novel class of crystal networks arising from spanning fullerenes; - Nanostructures and eigenvectors of matrices and an extended treatise of topological invariants; - Enumeration hetero-fullerenes by Polya theory. Topological Modelling of Nanostructures and Extended Systems represents a valuable resource to advances graduates and researchers working in mathematics, chemistry, physics and material science.

Transition Metals in Coordination Environments

Transition Metals in Coordination Environments
Computational Chemistry and Catalysis Viewpoints

by Ewa Broclawik,Tomasz Borowski,Mariusz Radoń

  • Publisher : Springer
  • Release : 2019-03-16
  • Pages : 532
  • ISBN : 3030117146
  • Language : En, Es, Fr & De
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This book focuses on the electronic properties of transition metals in coordination environments. These properties are responsible for the unique and intricate activity of transition metal sites in bio- and inorganic catalysis, but also pose challenges for both theoretical and experimental studies. Written by an international group of recognized experts, the book reviews recent advances in computational modeling and discusses their interplay using experiments. It covers a broad range of topics, including advanced computational methods for transition metal systems; spectroscopic, electrochemical and catalytic properties of transition metals in coordination environments; metalloenzymes and biomimetic compounds; and spin-related phenomena. As such, the book offers an invaluable resource for all researchers and postgraduate students interested in both fundamental and application-oriented research in the field of transition metal systems.

Gulliver in the Country of Lilliput

Gulliver in the Country of Lilliput
An Interplay of Noncovalent Interactions

by Ilya G. Shenderovich

  • Publisher : MDPI
  • Release : 2021-03-30
  • Pages : 216
  • ISBN : 3036504303
  • Language : En, Es, Fr & De
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Noncovalent interactions are the bridge between ideal gas abstraction and the real world. For a long time, they were covered by two terms: van der Waals interactions and hydrogen bonding. Both experimental and quantum chemical studies have contributed to our understanding of the nature of these interactions. In the last decade, great progress has been made in identifying, quantifying, and visualizing noncovalent interactions. New types of interactions have been classified—their energetic and spatial properties have been tabulated. In the past, most studies were limited to analyzing the single strongest interaction in the molecular system under consideration, which is responsible for the most important structural properties of the system. Despite this limitation, such an approach often results in satisfactory approximations of experimental data. However, this requires knowledge of the structure of the molecular system and the absence of other competing interactions. The current challenge is to go beyond this limitation. This Special Issue collects ideas on how to study the interplay of noncovalent interactions in complex molecular systems including the effects of cooperation and anti-cooperation, solvation, reaction field, steric hindrance, intermolecular dynamics, and other weak but numerous impacts on molecular conformation, chemical reactivity, and condensed matter structure.

Glass Transition and Phase Transitions in Food and Biological Materials

Glass Transition and Phase Transitions in Food and Biological Materials
A Book

by Jasim Ahmed

  • Publisher : John Wiley & Sons
  • Release : 2017-02-03
  • Pages : 496
  • ISBN : 1118935713
  • Language : En, Es, Fr & De
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Glass and State Transitions in Food and Biological Materials describes how glass transition has been applied to food micro-structure, food processing, product development, storage studies, packaging development and other areas. This book has been structured so that readers can initially grasp the basic principles and instrumentation, before moving through the various applications. In summary, the book will provide the “missing link” between food science and material science/polymer engineering. This will allow food scientists to better understand the concept and applications of thermal properties.

Non-covalent Interactions in the Synthesis and Design of New Compounds

Non-covalent Interactions in the Synthesis and Design of New Compounds
A Book

by Abel M. Maharramov,Kamran T. Mahmudov,Maximilian N. Kopylovich,Armando J. L. Pombeiro

  • Publisher : John Wiley & Sons
  • Release : 2016-05-03
  • Pages : 480
  • ISBN : 1119113857
  • Language : En, Es, Fr & De
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This book aims to overview the role of non-covalent interactions, such as hydrogen and halogen bonding, π-π, π-anion and electrostatic interactions, hydrophobic effects and van der Waals forces in the synthesis of organic and inorganic compounds, as well as in design of new crystals and function materials. The proposed book should allow to combine, in a systematic way, recent advances on the application of non-covalent interactions in synthesis and design of new compounds and functional materials with significance in Inorganic, Organic, Coordination, Organometallic, Pharmaceutical, Biological and Material Chemistries. Therefore, it should present a multi- and interdisciplinary character assuring a rather broad scope. We believe it will be of interest to a wide range of academic and research staff concerning the synthesis of new compounds, catalysis and materials. Each chapter will be written by authors who are well known experts in their respective fields.