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Author: Alan Finkelstein
Publisher: Wiley-Interscience
ISBN:
Category : Science
Languages : en
Pages : 248
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Book Description
Theory. Osmotic equilibrium. Osmotic transport (Osmosis) induced by an impermeant solute. Tracer diffusion of water and the relationship between Pf and Pdw. Single-file transport. Osmotic transport (Osmosis) induced by a permeant (Leaky) solute. Lipid bilayer membranes. The unmodified membrane. Nystatin and Amphotericin B. Gramicidin A. Plasma membranes. General considerations. The red cell membrane. Epithelia: antidiuretic hormone (ADH) - induced water permeability.
Author: Alan Finkelstein
Publisher: Wiley-Interscience
ISBN:
Category : Science
Languages : en
Pages : 248
Get Book Here
Book Description
Theory. Osmotic equilibrium. Osmotic transport (Osmosis) induced by an impermeant solute. Tracer diffusion of water and the relationship between Pf and Pdw. Single-file transport. Osmotic transport (Osmosis) induced by a permeant (Leaky) solute. Lipid bilayer membranes. The unmodified membrane. Nystatin and Amphotericin B. Gramicidin A. Plasma membranes. General considerations. The red cell membrane. Epithelia: antidiuretic hormone (ADH) - induced water permeability.
Author: E. Anibal Disalvo
Publisher: CRC Press
ISBN: 1351425382
Category : Science
Languages : en
Pages : 298
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Book Description
This book presents a comprehensive and coherent picture of how molecules diffuse across a liquid that is, on average, only two molecules thick. It begins by characterizing bilayers structurally, using X-ray diffraction, and then mechanically by measuring elastic moduli and mechanisms of failure. Emphasis is placed on the stability and mechanical properties of plant membranes that are subject to very large osmotic and thermal stresses. Using this information, the transport of molecules of increasing complexity across bilayers is analyzed.
Author:
Publisher:
ISBN: 9780815332183
Category : Cells
Languages : en
Pages : 0
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Book Description
Author: B. A. Callingham
Publisher:
ISBN: 9780333168202
Category :
Languages : en
Pages : 0
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Book Description
Author: E. Anibal Disalvo
Publisher: Springer
ISBN: 3319190601
Category : Science
Languages : en
Pages : 295
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Book Description
This book is about the importance of water in determining the structure, stability and responsive behavior of biological membranes. Water confers to lipid membranes unique features in terms of surface and mechanical properties. The analysis of the hydration forces, plasticiser effects, controlled hydration, formation of microdomains of confined water suggests that water is an active constituent in a water-lipid system. The chapters describe water organization at the lipid membrane–water interphase, the water penetration, the long range water structure in the presence of lipid membranes by means of X-ray and neutron scattering, general polarization, fluorescent probes, ATR-FTIR and near infrared spectroscopies, piezo electric methods, computer simulation and surface thermodynamics. Permeation, percolation, osmotic stress, polarization, protrusion, sorption, hydrophobicity, density fluctuations are treated in detail in self-assembled bilayers. Studies in lipid monolayers show the correlation of surface pressure with water activity and its role in peptide and enzyme interactions. The book concludes with a discussion on anhydrobiosis and the effect of water replacement in microdomains and its consequence for cell function. New definitions of lipid/water interphases consider water not only as a structural-making solvent but as a mediator in signalling metabolic activity, modulating protein insertion and enzymatic activity, triggering oscillatory reactions and functioning of membrane bound receptors. Since these effects occur at the molecular level, membrane hydration appears fundamental to understand the behavior of nano systems and confined environments mimicking biological systems. These insights in structural, thermodynamical and mechanical water properties give a base for new paradigms in membrane structure and function for those interested in biophysics, physical chemistry, biology, bio and nano medicine, biochemistry, biotechnology and nano sciences searching for biotechnological inputs in human health, food industry, plant growing and energy conversion.
Author: Lindsay Biga
Publisher:
ISBN: 9781955101158
Category :
Languages : en
Pages :
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Book Description
A version of the OpenStax text
Author: National Research Council
Publisher: National Academies Press
ISBN: 030937331X
Category : Science
Languages : en
Pages : 229
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Book Description
In the last few decades great strides have been made in chemistry at the nanoscale, where the atomic granularity of matter and the exact positions of individual atoms are key determinants of structure and dynamics. Less attention, however, has been paid to the mesoscale-it is at this scale, in the range extending from large molecules (10 nm) through viruses to eukaryotic cells (10 microns), where interesting ensemble effects and the functionality that is critical to macroscopic phenomenon begins to manifest itself and cannot be described by laws on the scale of atoms and molecules alone. To further explore how knowledge about mesoscale phenomena can impact chemical research and development activities and vice versa, the Chemical Sciences Roundtable of the National Research Council convened a workshop on mesoscale chemistry in November 2014. With a focus on the research on chemical phenomena at the mesoscale, participants examined the opportunities that utilizing those behaviors can have for developing new catalysts, adding new functionality to materials, and increasing our understanding of biological and interfacial systems. The workshop also highlighted some of the challenges for analysis and description of mesoscale structures. This report summarizes the presentations and discussion of the workshop.
Author: Rumiana Dimova
Publisher: CRC Press
ISBN: 1498752187
Category : Science
Languages : en
Pages : 652
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Book Description
Giant vesicles are widely used as a model membrane system, both for basic biological systems and for their promising applications in the development of smart materials and cell mimetics, as well as in driving new technologies in synthetic biology and for the cosmetics and pharmaceutical industry. The reader is guided to use giant vesicles, from the formation of simple membrane platforms to advanced membrane and cell system models. It also includes fundamentals for understanding lipid or polymer membrane structure, properties and behavior. Every chapter includes ideas for further applications and discussions on the implications of the observed phenomena towards understanding membrane-related processes. The Giant Vesicle Book is meant to be a road companion, a trusted guide for those making their first steps in this field as well as a source of information required by experts. Key Features • A complete summary of the field, covering fundamental concepts, practical methods, core theory, and the most promising applications • A start-up package of theoretical and experimental information for newcomers in the field • Extensive protocols for establishing the required preparations and assays • Tips and instructions for carefully performing and interpreting measurements with giant vesicles or for observing them, including pitfalls • Approaches developed for investigating giant vesicles as well as brief overviews of previous studies implementing the described techniques • Handy tables with data and structures for ready reference
Author: A. Leitmannova Liu
Publisher: Academic Press
ISBN: 0123743419
Category : Science
Languages : en
Pages : 298
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Book Description
Advances in Planar Lipid Bilayers and Liposomes, Volume 8, continues to include invited chapters on a broad range of topics, covering both main arrangements of the reconstituted system, namely planar lipid bilayers and spherical liposomes. The invited authors present the latest results in this exciting multidisciplinary field of their own research group. Many of the contributors working in both fields over many decades were in close collaboration with the late Prof. H. Ti Tien, the founding editor of this book series. There are also chapters written by some of the younger generation of scientists included in this series. This volume keeps in mind the broader goal with both systems, planar lipid bilayers and spherical liposomes, which is the further development of this interdisciplinary field worldwide. * Incorporates contributions from newcomers and established and experienced researchers * Explores the planar lipid bilayer systems and spherical liposomes from both theoretical and experimental perspectives * Serves as an indispensable source of information for new scientists.
Author: Wilfred D. Stein
Publisher: Gulf Professional Publishing
ISBN: 9780123646194
Category : Science
Languages : en
Pages : 472
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Book Description
International Review of Cytology presents current advances and comprehensive reviews in cell biology--both plant and animal. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research. This volume looks at water movements from a wide range of levels. It examines how water interacts with the major components of the cell, including proteins and lipids. It discusses how water moves across cell membranes by diffusion, how it is chanelled across these membranes or, in certain cases, pumped across, and how water movements are controlled. This book demonstrates how water and ion movements are closely linked in order to provide a better understanding of their behavior. *Essential Physical chemistry of water at biological interfaces *Up-to-date reviews of water behavior in cells *Water in integrated systems *Current information on water channels across membranes
