Dynamics Of Surfactant Self Assemblies
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Dynamics Of Surfactant Self Assemblies
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Author : Raoul Zana
language : en
Publisher: CRC Press
Release Date : 2005-03-30
Dynamics Of Surfactant Self Assemblies written by Raoul Zana and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-03-30 with Science categories.
Dynamics of Surfactant Self-Assemblies explains the dynamics of micellar equilibria, tracking surfactant exchange, and micelle formation/breakdown processes. Highlighting the structural similarities of amphiphilic block copolymers to surfactants, this volume elucidates the dynamics of more complex self-assemblies that surfactants and amphiphilic block copolymers form in solutions. The book first discusses self-assembling processes taking place in aqueous surfactant solutions and the dynamic character of surfactant self-assemblies. The next chapter reviews methods that permit the study of the dynamics of self-assemblies. The dynamics of micelles of surfactants and block copolymers, solubilized systems, microemulsions, vesicles, and lyotropic liquid crystals/mesophases are reviewed successively. The authors point out the similarities and differences in the behavior of these different self-assemblies. Much emphasis is put on the processes of surfactant exchange and of micelle formation/breakdown that determine the surfactant residence time in micelles, and the micelle lifetime. The last three chapters cover topics for which the dynamics of surfactant self-assemblies can be important for a better understanding of observed behaviors: dynamics of surfactant adsorption on surfaces, rheology of viscoelastic surfactant solutions, and kinetics of chemical reactions performed in surfactant self-assemblies used as microreactors. Dynamics of Surfactant Self-Assemblies offers a unique and comprehensive review of the literature that exists on the dynamics of the various surfactant self-assemblies and a unified perspective on this topic. It provides researchers with a useful guide for the dynamics of the surfactant systems that they wish to investigate.
Ionic Liquid Based Surfactant Science
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Author : Bidyut K. Paul
language : en
Publisher: John Wiley & Sons
Release Date : 2015-09-21
Ionic Liquid Based Surfactant Science written by Bidyut K. Paul and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-21 with Science categories.
This volume will be summarized on the basis of the topics of Ionic Liquids in the form of chapters and sections. It would be emphasized on the synthesis of ILs of different types, and stabilization of amphiphilic self-assemblies in conventional and newly developed ILs to reveal formulation, physicochemical properties, microstructures, internal dynamics, thermodynamics as well as new possible applications. It covers: Topics of ionic liquid assisted micelles and microemulsions in relation to their fundamental characteristics and theories Development bio-ionic liquids or greener, environment-friendly solvents, and manifold interesting and promising applications of ionic liquid based micelles and micremulsions
Self Assembly
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Author : Ramanathan Nagarajan
language : en
Publisher: John Wiley & Sons
Release Date : 2019-01-07
Self Assembly written by Ramanathan Nagarajan and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-07 with Science categories.
An introduction to the state-of-the-art of the diverse self-assembly systems Self-Assembly: From Surfactants to Nanoparticles provides an effective entry for new researchers into this exciting field while also giving the state of the art assessment of the diverse self-assembling systems for those already engaged in this research. Over the last twenty years, self-assembly has emerged as a distinct science/technology field, going well beyond the classical surfactant and block copolymer molecules, and encompassing much larger and complex molecular, biomolecular and nanoparticle systems. Within its ten chapters, each contributed by pioneers of the respective research topics, the book: Discusses the fundamental physical chemical principles that govern the formation and properties of self-assembled systems Describes important experimental techniques to characterize the properties of self-assembled systems, particularly the nature of molecular organization and structure at the nano, meso or micro scales. Provides the first exhaustive accounting of self-assembly derived from various kinds of biomolecules including peptides, DNA and proteins. Outlines methods of synthesis and functionalization of self-assembled nanoparticles and the further self-assembly of the nanoparticles into one, two or three dimensional materials. Explores numerous potential applications of self-assembled structures including nanomedicine applications of drug delivery, imaging, molecular diagnostics and theranostics, and design of materials to specification such as smart responsive materials and self-healing materials. Highlights the unifying as well as contrasting features of self-assembly, as we move from surfactant molecules to nanoparticles. Written for students and academic and industrial scientists and engineers, by pioneers of the research field, Self-Assembly: From Surfactants to Nanoparticles is a comprehensive resource on diverse self-assembly systems, that is simultaneously introductory as well as the state of the art.
Self Assembly Of Gemini Surfactant Molecules And The Properties Of Nano Confined Water
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Author : Sriteja Mantha
language : en
Publisher:
Release Date : 2016
Self Assembly Of Gemini Surfactant Molecules And The Properties Of Nano Confined Water written by Sriteja Mantha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Gemini surfactants are dimeric surfactants, formed by connecting two single tail surfactants with a linker at or near their headgroups. These surfactants in water have tendency to self-assemble into lyotropic liquid crystalline (LLC) morphologies with percolating water channels, which have potential applications as membranes for selective ion transport, controlled release formulations, media for chemical separation and catalysis. Using molecular dynamics simulations, this thesis investigates self-assembly behavior of gemini surfactants and properties of water confined in their LLCs. Length of the linker is known to significantly effect the self-assembly behavior of gemini surfactants in water. Dicarboxylate gemini surfactants with odd number of carbon atoms in the linker are shown to favor bicontinuous cubic (Gyroid) LLC morphologies over hexagonally(H) packed cylinders. On the other hand, surfactants with even number of carbon atoms favor H morphologies at same water content. This thesis suggests that, differences in LLC phase behavior of odd and even gemini surfactants is due to differences in the headgroup/headgroup repulsion caused by inherent conformational preferences of the surfactants. In the LLCs formed by dicarboxylate gemini surfactants, water molecules are under charged confinement. Structure and dynamic properties of water in these confinements depend on width of the water channel and nature of the counterion. Simulation results reported in this thesis suggest that water dynamics is at least an order of magnitude slower than that in bulk water, and decrease in the size of water channel results in further decrease in the dynamic properties. Counterion effect investigated in this thesis suggests that excluded volume effects play a significant role in the dynamics of confined water. Water molecules in surfactant systems with TMA+ as counterion have access to less volume for mobility than the systems with Na+ and K+ as counterion. At high water content, these excluded volume effects dictate the water dynamics. Whereas at low water content, strength of counterion-water interaction coupled with excluded volume effects dictate the water dynamics. Confinement provides an ideal environment to explore the unusual properties of supercooled water. At a temperature close to 225K, water molecules are known to undergo change in their dynamic behavior. This thesis attributes change in the dynamic behavior of supercooled water to changes in the dynamical regimes of potential energy landscape. At temperatures above dynamic crossover, water dynamics is dictated by landscape influenced regime and below crossover it is governed by landscape dominated regime.
Handbook Of Microemulsion Science And Technology
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Author : Promod Kumar
language : en
Publisher: Routledge
Release Date : 2018-05-02
Handbook Of Microemulsion Science And Technology written by Promod Kumar and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-02 with Science categories.
Demonstrating methods for overcoming stability issues in paints, wax dispersions, cosmetics, food products, and other industrial applications, this reference probes theoretical and practical issues surrounding microemulsion science and technology. Featuring the work of 51 international experts and containing almost 1000 instructive tables, equations, and illustrations, this book reviews the performance of, and prospects for, experimental methods such as X-ray diffraction, transmission electron microscopy (TEM), light scattering, small angle neutron scattering, viscosimetry, and nuclear magnetic resonance (NMR) to characterize various aspects of the dispersed phase of microemulsions.
Encyclopedia Of Colloid And Interface Science
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Author : Tharwat Tadros
language : en
Publisher: Springer
Release Date : 2013-06-28
Encyclopedia Of Colloid And Interface Science written by Tharwat Tadros and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-28 with Technology & Engineering categories.
An authoritative and comprehensive reference relevant to all scientists and engineers in the field. This encyclopedia not only helps chemistry, materials science and physics researchers to understand the principles, but also provides practicing engineers with the necessary information for implementing practical applications, such as Food and agrochemicals Polymers and ceramics Cosmetics and detergents Paints and coatings Pharmaceuticals and drug delivery In addition, the encyclopedia is an important reference for industrial chemists and chemical engineers faced with a multitude of industrial systems of a colloidal nature. As wide as the range of applications that colloid and interface science has is the range of scientific disciplines that contribute to research and development in this field. These encompass chemistry, physics, biology and mathematics as well as nanoscience and nanotechnology. The encyclopedia provides easy-to-digest information for meeting these interdisciplinary challenges. While providing numerous concise definitions of key terms, the encyclopedia also features more than forty in-depth essays on topics ranging from Agrochemical Formulations to Zeta Potential. All entries are cross-referenced and include selected references to original literature as well as synonyms.
Advances In Planar Lipid Bilayers And Liposomes
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Author :
language : en
Publisher: Elsevier
Release Date : 2014-07-18
Advances In Planar Lipid Bilayers And Liposomes written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-18 with Science categories.
Although the origin and the basic meaning of the terms "planar lipid bilayers" and "liposome" have not changed during the years, the present advances in the scientific, technological, biomedical and consumer product fields are remarkable. Ever since its launch the "Adances in Planar Lipid Bilayers and Liposomes’ (APLBL) has provided a global platform for a community of researchers having very broad scientific interests in theoretical, experimental and simulation studies on lipid and cell membrane micro and nanostructures. Ranging from artificial lipid membranes to cell membranes, controlled release of functional molecules, drug delivery to cancer cells, pharmaceutical formulations to food products, the applications are simply enormous. An assortment of chapters in APLBL represents both an original research as well as comprehensives reviews written by world leading experts and young researchers. Many ideas proposed in lipid nanoscience are frontier and futuristic, although some have immediate technological applications. The core scientific principles of lipid nanoscience and applications, however, are grounded in physics and chemistry. In last three decades the studies of polymorphism of lipid micro and nanostructures have gone through a major revolution concerning its understanding and evolution of new equilibrium and non-equilibrium structures of various length scales. Novel applications of the lipid micro and nanostructures are progressing rapidly among numerous disciplines. The APLBL book series gives a survey on recent theoretical as well as experimental results on lipid micro and nanonanostructures. In addition, the potential use of the basic knowledge in applications like clinically relevant diagnostic and therapeutic procedures, biotechnology, pharmaceutical engineering and food products is presented.
Surfactants And Macromolecules
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Author : Björn Lindman
language : en
Publisher: Progress in Colloid and Polyme
Release Date : 1990
Surfactants And Macromolecules written by Björn Lindman and has been published by Progress in Colloid and Polyme this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Science categories.
Amphiphilic Block Copolymers
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Author : P. Alexandridis
language : en
Publisher: Elsevier
Release Date : 2000-10-18
Amphiphilic Block Copolymers written by P. Alexandridis and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-10-18 with Technology & Engineering categories.
It is the belief of the editors of this book that the recognition of block copolymers as being amphiphilic molecules and sharing common features with other well-studied amphiphiles will prove beneficial to both the surfactant and the polymer communities. An aim of this book is to bridge the two communities and cross-fertilise the different fields. To this end, leading researchers in the field of amphiphilic block copolymer self-assembly, some having a background in surfactant chemistry, and others with polymer physics roots, have agreed to join forces and contribute to this book. The book consists of four entities. The first part discusses theoretical considerations behind the block copolymer self-assembly in solution and in the melt. The second part provides case studies of self-assembly in different classes of block copolymers (e.g., polyethers, polyelectrolytes) and in different environments (e.g., in water, in non-aqueous solvents, or in the absence of solvents). The third part presents experimental tools, ranging from static (e.g., small angle neutron scattering) to dynamic (e.g., rheology), which can prove valuable in the characterization of block copolymer self-assemblies. The fourth part offers a sampling of current applications of block copolymers in, e.g., formulations, pharmaceutics, and separations, applications which are based on the unique self-assembly properties of block copolymers.
Gemini Surfactants
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Author : Raoul Zana
language : en
Publisher: CRC Press
Release Date : 2003-10-07
Gemini Surfactants written by Raoul Zana and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-10-07 with Science categories.
Generating much interest in both academic and scientific circles, Gemini Surfactants gathers the most up-to-date research in gemini surfactantproduction and demonstrates how their propertiesand performance can revolutionize the current industrial application of these surfactants. It surveys the state of special gemini surfactants, including nonionic, zwitterionic, fluorinated, and amino-acid-based surfactants. Gemini Surfactants considers the synthesis, phase behavior, and rheology of gemini and related surfactants and clarifies the adsorption and surface tension behavior of gemini surfactants at air–water, oil–water, and solid–water interfaces. The book also details the physicochemical properties and microstructure of aqueous micellar solutions of gemini surfactants and describes mixed micellization between gemini surfactants and conventional surfactants.