Liquid Crystals in Biotribology

Liquid Crystals in Biotribology
Author: Sergey Ermakov,Alexandr Beletskii,Oleg Eismont,Vladimir Nikolaev
Publsiher: Springer
Total Pages: 211
Release: 2015-07-11
Genre: Science
ISBN: 9783319203492

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This book summarizes the theoretical and experimental studies confirming the concept of the liquid-crystalline nature of boundary lubrication in synovial joints. It is shown that cholesteric liquid crystals in the synovial liquid play a significant role in the mechanism of intra-articular friction reduction. The results of structural, rheological and tribological research of the creation of artificial synovial liquids containing cholesteric liquid crystals in natural synovial liquids are described. These liquid crystals reproduce the lubrication properties of natural synovia and provide a high chondroprotective efficiency. They were tested in osteoarthritis models and in clinical practice.

Liquid Crystals

Liquid Crystals
Author: Gregory Philip Crawford
Publsiher: World Scientific
Total Pages: 514
Release: 2007
Genre: Science
ISBN: 9789812778871

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1. Liquid crystals: a unique phase of matter -- 2. Medical displays -- 3. Liquid crystals in spectroscopy, microscopy and hyperspectral imaging -- 4. Liquid crystal biosensors -- 5. Liquid crystak lasers -- 6. Biomimicking with liquid crystals -- 7. Actuators and delivery systems

Liquid Crystals Frontiers in Biomedical Applications

Liquid Crystals  Frontiers in Biomedical Applications
Author: Anonim
Publsiher: Unknown
Total Pages: 135
Release: 2024
Genre: Electronic Book
ISBN: 9789814476034

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Liquid Crystal Nanomaterials

Liquid Crystal Nanomaterials
Author: Sergey F. Ermakov,Nikolai K. Myshkin
Publsiher: Springer
Total Pages: 215
Release: 2018-02-06
Genre: Technology & Engineering
ISBN: 9783319747699

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This book discusses the tribological, rheological and optical properties of liquid-crystal nanomaterials as well as lubricant media. It also describes the formation of liquid-crystal materials and the application of cholesteric liquid-crystal compounds in technical friction units and in human and animal joints. Further, it shows the connection between the tribological and other physical properties of liquid-crystal cholesterol compounds and develops a lubricity conceptual model of cholesteric–nematic, liquid-crystalline nanostructures on the basis of physical and energetic interpretations. This general model is valid for all surfaces and friction pairs, including biopolymers, and could lead to applications of cholesteric liquid-crystalline nanomaterials in different friction units and tribosystems as well as in the treatment of joint diseases.

Liquid Crystals and Biological Structures

Liquid Crystals and Biological Structures
Author: Glenn Brown
Publsiher: Elsevier
Total Pages: 200
Release: 2012-12-02
Genre: Science
ISBN: 9780323160308

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Liquid Crystals & Biological Structures covers analogies between biological structures and behavior of living cells to liquid crystalline structures and their behavior. It emphasizes that the physical state of the matter involved in life processes is to a great extent liquid crystalline. The first chapters discuss the physical, chemical, structural, and optical properties of liquid crystals, as well as the structure of the principal molecules associated with life systems. The core chapters cover selected cellular structures exhibiting liquid crystalline behavior to emphasize the nature of various cellular membranes, from the cell membranes to the receptors and effectors. The book also considers differentiated organelles of the cell that are specialized for photoreception, including chloroplasts for photosynthesis, the retinal photoreceptors of the eye, and the rods and cones for visual excitation. This book is suited for students and bioscientists who are interested in the potential of the liquid crystalline state in exploring a variety of biological phenomena.

Introduction to Liquid Crystals

Introduction to Liquid Crystals
Author: Peter J. Collings,John W. Goodby
Publsiher: CRC Press
Total Pages: 532
Release: 2019-10-23
Genre: Science
ISBN: 9781351579834

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Introduction to Liquid Crystals: Chemistry and Physics, Second Edition relies on only introductory level chemistry and physics as the foundation for understanding liquid crystal science. Liquid crystals combine the material properties of solids with the flow properties of fluids. As such they have provided the foundation for a revolution in low-power, flat-panel display technology (LCDs). In this book, the essential elements of liquid crystal science are introduced and explained from the perspectives of both the chemist and physicist. This new edition relies on only introductory level physics and chemistry as the foundation for understanding liquid crystal science and is, therefore, ideal for students and recent graduates. Features Introduces and explains the essential elements of liquid crystal science, including discussion of how liquid crystals have been utilized for innovative and important applications. New to this edition are over 300 figures, 90 end-of chapter exercises, and an increased scope that includes recent developments. Combines the knowledge of two eminent scientists in the field; they have fully updated and expanded the text to cover undergraduate/graduate course work as well as current research in what is now a billion-dollar industry. Immerses the reader in the vocabulary, structures, data, and kinetic models, rapidly building up an understanding of the theories and models in current use. Begins with a historical account of the discovery of liquid crystals and continues with a description of how different phases are generated and how different molecular architectures affect liquid crystal properties.

Applications of Liquid Crystals

Applications of Liquid Crystals
Author: G. Meier,E. Sackmann,J.G. Grabmaier
Publsiher: Springer Science & Business Media
Total Pages: 171
Release: 2012-12-06
Genre: Science
ISBN: 9783642809545

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Over the past ten years liquid crystals have attracted much interest and considerable progress has been made with respect to our knowledge in this field. The recent development was initiated mainly by the work of J. L. Fergason and G. H. Heilmeier, who pointed out the importance of liquid crystals for thermographic and electro optic applications. The first part of this book is a brief introduction to the physics of liquid crystals. The structures and properties of the three basic types of liquid crystals are discussed. A special paragraph is devoted to electric-field effects, which are important in display applications. The chapter on Scientific Applications gives an insight into the potential applications of liquid crystals in fundamental research, with special emphasis on explaining the principles involved. Two groups of potential applications are discussed in detail: 1. the use of liquid crystals as anisotropic solvent for the determination of molecular properties by means of spectroscopy, and 2. their use in analytical chemistry, particularly in gas chromatography. The reverse process involves the use of the dissolved molecules as microscopic probes in the investigation of the dynamical molecular structure of anisotropic fluid systems (e.g. biological membranes). This extremely important technique is also described.

Liquid Crystals In Complex Geometries

Liquid Crystals In Complex Geometries
Author: G P Crawford,S Zumer
Publsiher: CRC Press
Total Pages: 528
Release: 1996-04-29
Genre: Science
ISBN: 0748404643

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Focusing on the applied and basic aspects of confined liquid crystals, this book provides a current treatise of the subject matter and places it in the broader context of electrooptic applications. The book takes an interdisciplinary approach to the