Download Bicontinuous Liquid Crystals (Surfactant Science) by Mathew L. Lynch, Patrick T. Spicer PDF

By Mathew L. Lynch, Patrick T. Spicer

With the improvement of various analytical chemistry strategies, the invention of wealthy and various homes relating bicontinuous liquid crystal constructions has yielded precious purposes in medication, shopper items, fabrics technology, and biotechnology. featuring contributions from 24 specialists all over the world, Bicontinuous Liquid Crystals provides a entire review of those constructions with a pragmatic method of utilising them in production and laboratory techniques. This publication considers the cubic, mesh, ribbon, and sponge equilibrium levels of bicontinuous constructions. It starts with a ancient point of view and a theoretical platform for examine, via a close dialogue of actual chemistry, houses, and structural features of different stages. The textual content interrelates the main beneficial analytical tools for the characterization of the habit and balance of liquid crystalline levels in keeping with constitution, geometry, composition-dependent alterations, temperature, dispersion, and different components. those suggestions comprise differential geometry, thermodynamics, neighborhood and worldwide packing, and the examine of conformational entropy. The publication additionally highlights instruments for mathematically visualizing bicontinuous platforms. this offers a superb origin for the authors' exam of the newest reviews and purposes, comparable to managed unlock, fabrics improvement, fabrication, processing, polymerization, protein crystallization, membrane fusion, and remedy of human epidermis. Bicontinuous Liquid Crystals represents present traits and cutting edge principles within the examine of bicontinuous liquid crystals. Divided into 3 sections, it offers an entire evaluation of theoretical and modeling features, actual chemistry and characterization, and functions during this lively box of analysis.

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Additional resources for Bicontinuous Liquid Crystals (Surfactant Science)

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Liq Cryst 27: 743–747, 2000). The scattering was recorded from a sample containing 70% by weight surfactant and at a temperature of 65°C. Under these conditions the sample is in a single Mh1(0) phase just above the Mh1 (R 3 m) phase. Intermediate Phases 25 reflection is isotropic (because there is a liquidlike distribution of water-filled defects in the lamellae) and diffuse, it can be easily missed and requires careful examination of the scattering behavior for confirmation. However, the swelling behavior of the phase will be different from that of the classical lamellar phase, and other experimental techniques such as optical microscopy or NMR can be shown to be sensitive to its formation.

Nature 303:612–613, 1983. Bicontinuous Cubic Liquid Crystalline Materials 13 10. K Larsson. Nature 304:664, 1983. 11. ST Hyde, S Andersson, B Ericsson, K Larsson. Z Kristallogr 168:213–219, 1984. 12. P Garstecki, R Holyst. Langmuir 18:2519–2528, 2002. 13. P Garstecki, R Holyst. Langmuir 18:2529–2537, 2002. 14. HG von Schnering, R Nesper. Z Phys B Condensed Matter 83:407–412, 1991. 15. M Lindström, H Ljusberg-Wahren, K Larsson, B Borgström. Lipids 16:749–754, 1981. 16. J Borné. Lipid self-assembly and lipase action.

3 Mesh and Bicontinuous Phases ............................................ 4 Theoretical Ideas .................................................................... 5 Conclusion ............................................................................... 34 References......................................................................................... 1 INTRODUCTION Lyotropic liquid crystalline phases can be formed in concentrated mixtures of amphiphilic molecules and water [1–6]. The normal hexagonal (H1) and lamellar (Lα) are two such liquid crystalline phases that are well characterized [7].

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