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Molecular Gels Materials with Self-Assembled Fibrillar Networks

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ISBN-10: 1402033524

ISBN-13: 9781402033520

Edition: 2006

Authors: Richard G. Weiss, Pierre Terech

List price: $379.99
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Description:

"Molecular Gels: Materials with Self-Assembled Fibrillar Networks" is a comprehensive treatise on gelators, especially low molecular-mass gelators 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 low molecular-mass gelators 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…    
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Book details

List price: $379.99
Copyright year: 2006
Publisher: Springer Netherlands
Publication date: 12/12/2005
Binding: Hardcover
Pages: 978
Size: 6.50" wide x 9.50" long x 1.75" tall
Weight: 4.092
Language: English

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.

Introduction
Theory: Theory Of Molecular Association And Thermoreversible Gelation: Thermodynamic theory of network-forming liquid mixtures
Some important examples of non-gelling associating mixtures
Gelling solutions and mixtures
Summary.-Growth And Chirality Amplification In Helical Supramolecular Polymers: Introduction
Helical aggregation
Discotics
Linear self-assembly
A two-state model
Aggregate ends
Chirality amplification
Sergeants and soldiers
Conclusions and outlook
Self Assembling Peptide Gels: Theoretical model of self-assembling chiral rod-like units
Experiments illustrating predictions of the model
Stabilization by twist
Nematic fluids and gels
Properties for new materials
Kinetics Of Nucleation, Aggregation And Aging: Introduction
Some basic thermodynamic concepts
Basic concepts of the theory of nucleation and cluster growth
Spinodal decomposition
Secondary aggregation, coarsening and aging
Discussion
Soft Glassy Rheology: Introduction
Rheology
The SGR model
Rheological aging: imposed strain
Rheological aging: imposed stress
Discussion and conclusion.-Rheological Chaos In Wormlike Micelles And Nematic Hydronamic: Deterministic Chaos in viscoelastic materials in shear flow
Spatiotemporal rheological oscillations and chaotic dynamics
Wetting of Fibres: Introduction
The Rayleigh-Plateau instability
Drop shapes
Heterogeneous fibers
Invasion of a network of fibers
Conclusion
Techniques: Gel Formation: Phase Diagrams Using Tabletop Rheology And Calorimetry: Introduction
Detecting the sol-gel transition by tabletop theology
Thermodynamics of gelation: sol-gel transition by calorimetry
Conclusions and perspectives
Direct-Imaging And Freeze-Fracture Cryo-Transmission Electron Microscopy Of Molecular Gels: Introduction
Cryo-TEM. Cryo-Tem Investigations of Molecular Gels
Future Developments
Molecular Gels And Small-Angle Scattering: Foreword
Introduction
Basic principles
Form-factors of rod-like scatterers
Semi-rigid fibers
Fibers with anisometric sections
Tubes
Helices
Scattering by the junction zones in the networks
Structure factor peak in poorly organized fibrillar scatterers
Oriented fibers
Real space data
Kinetic studies
Useful hints for a standard SANS investigation of molecular gels
Conclusion
X-Ray Diffraction Of Poorly Organized Systems And Molecular Gels: Introduction Long range ordering
Single crystal diffraction
X-rays and neutrons
Applications of diffraction
Optical Spectroscopic Methods As A Tool To Investigate Gel Structures: Introduction
Electronic absorption and emission spectroscopy
Ifrared spectroscopy.-Circular Dichroism For Studying Gel-Like Phases: Introduction
Technique
Applications to the study of gel-like phases
Perspectives
Systems - Organogels: Low Molecular Mass Organo-Gelators: Analyses of the natures of gelators and liquids for efficient gelation: Introduction
Classification of low molecular-mass organo-gelators (lmogs)
The role of liquid in gelation by lmogs
Future directions
Design And Functions Of Low Molecular Weight Gelators Bearing Sugars And Steroids In Their Backbone: Introduction
Steroid derivatives for gelating organic liquids
Sugar derivatives for gelating liquids
Other related lmogs
Outlook
Safin Gels With Amphiphilic Molecules: Introduction
Amphiphilic molecules
Gels with amphiphilic molecules
Gemini amphiphilic molecules
Conclusions
Hydrogels: Advances In Molecular Hydrogels: Introduction
Historical perspective
Amino acid derivatives and oligopeptide based hydrogelators- b -Peptides as hydrogelators.Carbohydrate based hydrogelators
Hydrogelators from bolaamphiphiles and gemini surfactants
Miscellaneous hydrogelators
Bile acid derived hydrogelators.Structural and dynamic aspect of hydrogels
Mechanical behavior of hydrogels
Applications of hydrogels in materials science
Future outlook and challenges
Aqueous Gels Made Of Chiral Lipid And Porphyrin Amphiphiles: Introduction
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