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Book
Polymer Physics : Applications to Molecular Association and Thermoreversible Gelation
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ISBN: 9780521864299 9780511975691 9781139076890 1139076892 0511975694 9781139079174 1139079174 0521864291 1107218594 128311206X 1139074644 9786613112064 1139081446 1139068865 9781107218598 9781139074643 6613112062 9781139081443 9781139068864 Year: 2011 Publisher: Cambridge : Cambridge University Press,

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Abstract

The field of polymer science has advanced and expanded considerably in recent years, encompassing broader ranges of materials and applications. In this book, Fumihiko Tanaka unifies the subject matter, pulling together research to provide an updated and systematic presentation of polymer association and thermoreversible gelation, one of the most rapidly developing areas in polymer science. Starting with a clear exposition of the fundamental laws of polymer physics, subsequent chapters discuss a new theoretical model that combines thermodynamic and rheological theory. Recent developments in polymer physics are explored, along with important case studies on topics such as self-assembly, supramolecules, thermoreversible gels and water-soluble polymers. Throughout the book, a balance is maintained between theoretical descriptions and practical applications, helping the reader to understand complex physical phenomena and their relevance in industry. This book has wide interdisciplinary appeal and is aimed at students and researchers in physics, chemistry and materials science.

Low Molecular Mass Gelators : Design, Self-Assembly, Function
Author:
ISSN: 03401022 ISBN: 9783540253211 3540253211 3540314601 Year: 2005 Volume: 256 Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer,

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Keywords

Supramolecular chemistry. --- Colloids. --- Gelation. --- Chimie supramoléculaire --- Colloïdes --- Gelation --- Supramolecular chemistry --- Colloids --- Chemistry, Physical --- Gels --- Chemistry --- Dosage Forms --- Natural Science Disciplines --- Complex Mixtures --- Chemicals and Drugs --- Disciplines and Occupations --- Specialty Uses of Chemicals --- Pharmaceutical Preparations --- Chemical Actions and Uses --- Crystallography --- Chemistry - General --- Physical Sciences & Mathematics --- 675.92.026.8 --- 544.022.822 --- Gelation. Jelling (jellification). Transition to liquid-like stae (to structurized liquid). Sol-gel transition. Coagulation structure. Coagulation contacts. Thixotropy. Rheopexy. --- 675.92.026.8 Gelation --- Pharmaceutic Preparations --- Pharmaceutical Products --- Preparations, Pharmaceutical --- Drugs --- Preparations, Pharmaceutic --- Products, Pharmaceutical --- Specialty Chemicals and Products --- Complex Extracts --- Crude Extracts --- Extracts, Complex --- Extracts, Crude --- Mixtures, Complex --- Natural Sciences --- Physical Sciences --- Discipline, Natural Science --- Disciplines, Natural Science --- Natural Science --- Natural Science Discipline --- Physical Science --- Science, Natural --- Science, Physical --- Sciences, Natural --- Sciences, Physical --- Dosage Form --- Form, Dosage --- Forms, Dosage --- Hydrocolloids --- Colloid --- Hydrocolloid --- Physical Chemistry --- Chemistries, Physical --- Physical Chemistries --- Gelatinization --- Gelling --- Dispersoids --- Hydrogels --- Sols --- Chemistry. --- Organic chemistry. --- Polymers. --- Biochemistry. --- Nanotechnology. --- Organic Chemistry. --- Biochemistry, general. --- Polymer Sciences. --- Chemistry, Physical and theoretical --- Macromolecules --- Coagulation --- Amorphous substances --- Diffusion --- Matter --- Micelles --- Particles --- Rheology --- Solution (Chemistry) --- Surface chemistry --- Gelation. Jelling (jellification). Transition to liquid-like stae (to structurized liquid). Sol-gel transition. Coagulation structure. Coagulation contacts. Thixotropy. Rheopexy --- Properties --- Molecular technology --- Nanoscale technology --- High technology --- Biological chemistry --- Chemical composition of organisms --- Organisms --- Physiological chemistry --- Biology --- Medical sciences --- Polymere --- Polymeride --- Polymers and polymerization --- Organic chemistry --- Physical sciences --- Composition --- Chemistry, Organic. --- Polymers  .

Molecular Gels : Materials with Self-Assembled Fibrillar Networks
Authors: ---
ISBN: 1280624205 9786610624201 1402036892 1402033524 9781402033520 Year: 2006 Publisher: Dordrecht : Springer Netherlands : Imprint: Springer,

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Molecular gels and fibrillar networks – a comprehensive guide to experiment and theory Molecular Gels: Materials with Self-Assembled Fibrillar Networks provides a comprehensive treatise on gelators, especially low molecular-mass gelators (LMOGs), and the properties of their gels. The structures and modes of formation of the self-assembled fibrillar networks (SAFINs) that immobilize the liquid components of the gels are discussed experimentally and theoretically. The spectroscopic, rheological, and structural features of the different classes of LMOGs are also presented. Many examples of the application of the principal analytical techniques for investigation of molecular gels (including SANS, SAXS, WAXS, UV-vis absorption, fluorescence and CD spectroscopies, scanning electron, transmission electron and optical microscopies, and molecular modeling) are presented didactically and in-depth, as are several of the theories of the stages of aggregation of individual LMOG molecules leading to SAFINs. Several actual and potential applications of molecular gels in disparate fields (from silicate replication of nanostructures to art conservation) are described. Special emphasis is placed on perspectives for future developments. This book is an invaluable resource for researchers and practitioners either already researching self-assembly and soft matter or new to the area. Those who will find the book useful include chemists, engineers, spectroscopists, physicists, biologists, theoreticians, and materials scientists. Richard G. Weiss is Professor of Chemistry, Department of Chemistry, Georgetown University, Washington, DC, USA. Pierre Terech is Research Director, CNRS – Atomic Energy Center – Grenoble University, Grenoble, France.

Keywords

Colloids. --- Gelation. --- Physics. --- Organic chemistry. --- Physical chemistry. --- Condensed matter. --- Amorphous substances. --- Complex fluids. --- Phase transitions (Statistical physics). --- Nanotechnology. --- Soft and Granular Matter, Complex Fluids and Microfluidics. --- Organic Chemistry. --- Physical Chemistry. --- Condensed Matter Physics. --- Phase Transitions and Multiphase Systems. --- Molecular technology --- Nanoscale technology --- High technology --- Phase changes (Statistical physics) --- Phase transitions (Statistical physics) --- Phase rule and equilibrium --- Statistical physics --- Complex liquids --- Fluids, Complex --- Amorphous substances --- Liquids --- Condensed materials --- Condensed media --- Condensed phase --- Materials, Condensed --- Media, Condensed --- Phase, Condensed --- Matter --- Solids --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry --- Organic chemistry --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Gelatinization --- Gelling --- Coagulation --- Colloids --- Dispersoids --- Gels --- Hydrogels --- Sols --- Chemistry, Physical and theoretical --- Diffusion --- Micelles --- Particles --- Rheology --- Solution (Chemistry) --- Surface chemistry --- Properties --- Gelation --- 544.773.43 --- Gel --- Polymeren --- Self-assemblies --- Gels. Colloid chemistry --- Chemistry, Organic. --- Chemistry, Physical organic. --- Chemistry, Physical organic --- Chemistry, Organic --- Soft condensed matter


Book
Alternative Routes to Oil Structuring
Author:
ISBN: 9783319191386 3319191373 9783319191379 3319191381 Year: 2015 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This Springer Brief gives an overview of recent research conducted in the area of oil structuring starting with a detailed introduction on oleogelation and properties of food-approved building blocks followed by the discussion of some illustrative examples to explain the processing steps required for creating oleogels, advanced characterization (rheological, thermal and microstructural) and some potential edible applications of oleogels. The book w concludes with a section summarizing the general guidelines on the properties of oleogels and practically of approach with regards to the specific category of building blocks used for structuring. The text also lists some unresolved challenges that need to be addressed in order to fully exploit oleogelation for future food product development. The functional application of liquid oils in food product development is mostly accomplished by structuring them into soft, plastic-like materials. This structuring of oil is traditionally based on the fat crystal network formed by high melting triacylglycerol (TAG) molecules that are rich in trans and/or saturated fatty acids. Currently, due to the factors such as the requirement for trans- and saturated fat-free food products, sustainable manufacturing and ethical trade practices, the research in the area of identifying alternative routes to oil structuring (in the absence of trans and saturated fats) has been regarded as a ‘hot topic’ in the bio-scientific community. Oleogelation (gelling of liquid oil in absence of crystallizable TAGs) is one such alternative, which has recently attracted tremendous attention from researchers and industrial scientists working in the domain of food product development. The possibility of creating structured gels that contain a large amount of liquid oil (usually above 90 wt%) opens up many possibilities to develop food products with better nutritional profiles.


Book
New Trends in Lyotropic Liquid Crystals
Authors: ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Liquid crystals (LCs) were discovered more than a century ago, and were, for a long time, treated as a physical curiosity, until the development of flat panel screens and display devices caused a revolution in the information display industry, and in fact in society. There would be no mobile phones without liquid crystals, no flat screen TVs or computer monitors, no virtual reality, just to name a few of the applications that have changed our whole world of vision and perception. All of these inventions are based on liquid crystals that are formed through a change in temperature, thermotropic LCs. However, there is another form of liquid crystals, described even earlier, yet much less talked about; the lyotropic liquid crystals that occur through the change of concentration of some molecules in a solvent. These are found in abundance in nature, making up the cell membranes, and are used extensively in the food, detergents and cosmetics industries. In this collection of articles by experts in their respective research areas, we bring together some of the most recent and innovative aspects of lyotropic liquid crystals, which we believe will drive future research and set novel trends in this field.


Book
Advancements in Gel Science-A Special Issue in Memory of Toyoichi Tanaka
Author:
ISBN: 303921344X 3039213431 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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A gel is a state of matter that consists of a three-dimensional cross-linked polymer network and a large amount of solvent. Because of their structural characteristics, gels play important roles in science and technology. The science of gels has attracted much attention since the discovery of the volume phase transition by Professor Toyoichi Tanala at MIT in 1978. MDPI planned to publish a Special Issue in Gels to celebrate the 40th anniversary of this discovery, which received submissions of 13 original papers and one review from various areas of science. We believe that readers will find this Special Issue informative as to the recent advancements of gel research and the broad background of gel science.

Keywords

delamination --- n/a --- fractal analysis --- buckling --- artificial hydrogel cartilage --- frictional property --- kinetic coefficient --- paint coating --- scaling analysis --- moving boundary picture --- XRD --- volume phase transition --- fracture --- fatigue --- crack --- gelation temperature --- xerogel --- swelling of thermosensitive gels --- copolymerization --- phase transition dynamics --- wetting --- poly (acryl amide) gel --- swelling --- sucrose --- anisotropic shape --- ice crystallization during rewarming --- micropipette aspiration --- microgel --- crosslink density (density of crosslinks) --- hydrogel --- Sephadex® (crosslinked dextran) --- sol-gel transition --- thermoresponsive property --- compression --- Brunauer-Emmett-Teller theory --- monomer sequence --- microcrystallite --- swelling behavior --- micrometric confinement --- wear --- light scattering --- X-ray CT --- co-crosslinking --- electrophoresis --- gel --- hysteresis --- ice grain --- effects of electric charge --- phase separation --- acrylamide derivative --- Barrett-Joyner-Halenda analysis --- temperature --- xylitol --- agarose gel --- spinodal temperature --- glassy water --- chemical gel --- blood coagulation --- poly(vinyl alcohol) --- pulse field gradient spin echo method of nuclear magnetic resonance (PFG-NMR) --- time domain reflectometry (TDR) of dielectric spectroscopy --- site-bond correlated-percolation model for polymer gelation --- spinodal decomposition --- adhesion --- janus particle --- wrinkle --- friction --- cloud point temperature --- drying --- gamma ray sterilization --- solvent exchange --- solids content --- solvent transport --- heterogeneous gelation dynamics --- PVA gel --- hydrogen bond


Book
In-Situ Gelling Polymers : For Biomedical Applications
Author:
ISBN: 9789812871527 9812871519 9789812871510 9812871527 Year: 2015 Publisher: Singapore : Springer Singapore : Imprint: Springer,

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This book presents the research involving in situ gelling polymers and can be used as a guidebook for academics, industrialists and postgraduates interested in this area. This work summaries the academic contributions from the top authorities in the field and explore the fundamental principles of in situ gelling polymeric networks, along with examples of their major applications. This book aims to provide an up-to-date resource of in situ gelling polymer research.


Book
Organogels : Thermodynamics, Structure, Solvent Role, and Properties
Author:
ISBN: 3319331760 3319331787 Year: 2016 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book provides a physics-oriented introduction to organogels with a comparison to polymer thermoreversible gels whenever relevant. The past decade has seen the development of a wide variety of newly-synthesized molecules that can spontaneously self-assemble or crystallize from their organic or aqueous solutions to produce fibrillar networks, namely organogels, with potential applications in organic electronics, light harvesting, bio-imaging, non-linear optics, and the like. This compact volume presents a detailed outlook of these novel molecular systems with special emphasis upon their thermodynamics, morphology, molecular structure, and rheology. The definition of these complex systems is also tackled, as well as the role of the solvent. The text features numerous temperature-phase diagrams for a variety of organogels as well as illustrations of their structures at the microscopic, mesoscopic and macroscopic level. A review of some potential applications is provided including hybrid functional materials with polymers and with carbon nanotubes. Throughout, discussions of theoretical developments and experimental advances are written at a level suitable for beginning graduate students through practicing researchers.


Book
Advances in Food and By-Products Processing Towards a Sustainable Bioeconomy
Authors: ---
ISBN: 3039217534 3039217526 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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The bioeconomy initially focused on resource substitution, including the production of biomass from various resources; its conversion, fractionation, and processing by means of biotechnology; and chemistry and process engineering towards the production and marketing of food, feed, fuel, and fibre. Nevertheless, although resource substitution is still considered important, the emphasis has been recently shifted to the biotechnological innovation perspective of the bioeconomy, in terms that ensure environmental sustainability. It is estimated that around one-third of the food produced for human consumption is wasted throughout the world, posing not only a sustainability problem related to food security but also a significant environmental problem. Food waste streams, mainly derived from fruits and vegetables, cereals, oilseeds, meat, dairy, and fish processing, have unavoidably attracted the interest of the scientific community as an abundant reservoir of complex carbohydrates, proteins, lipids, and functional compounds, which can be utilized as raw materials for added-value product formulations. This Special Issue focuses on innovative and emerging food and by-products processing methods for the sustainable transition to a bioeconomy era.


Book
Frontier Research on the Processing Quality of Cereal and Oil Food
Authors: ---
Year: 2022 Publisher: Basel MDPI Books

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As everyone knows, cereal and oil are still the main part of our diet and provide essential nutrients and energy every day. With the progress of food processing technology, the quality of cereal and oil food is also improved significantly. Behind this, major nutrients of grain and oil, including protein, carbohydrate, lipid, and functional components, have experienced a variety of physical, chemical, and biological reactions during food processing. Moreover, research in this field also covers the multi-scale structural changes of characteristic components, such as component interaction and formation of key domains, which is essential for the quality enhancement of cereal and oil food. Based on the increasing consumer demand for nourishing, healthy, and delicious cereal and oil food, it might be interesting to report the latest research on the application of novel technology in food processing, multi-scale structural changes of characteristic components in food processing, structure-activity mechanism of food functional components. This book aimed to provide useful reference and guidance for the processing and utilization of cereal and oil food so as to provide technical support for the healthy development of cereal a oil food processing industry worldwide.

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