Download or read book Phase Transitions Hydration and Spreading of Phospholipid Bilayers and Monolayers at the Air water Interface written by Heidi M. Mansour and published by . This book was released on 2003 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Phase Transitions of Phospholipid Monolayers on Air water Interfaces written by Christopher Roland and published by . This book was released on 1986 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Comparison of Phase Transition Properties of Supported Phospholipid Mono and Bilayers written by Sennur Turgut and published by . This book was released on 2008 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Surface Phase Behavior of Phospholipid Monolayers at the Air water Interface and Interactions with Lung Annexin I written by Sandy Koppenol and published by . This book was released on 1996 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Computational Biophysics Study of Water and Nitrous Oxide in Membranes written by Eric R. Pinnick and published by . This book was released on 2011 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Biological membranes are ubiquitous in cells and are essential to life. Water is critically important to the structure and function of biological membranes. A detailed understanding of the behavior of water in membranes is thus important to under- standing the basic mechanisms of life. Nitrous oxide may be employed as a probe of water in membranes. In this work, we study the physics of water and nitrous oxide (N2 O ) in model membranes using classical molecular dynamics and assess the ability of simple water models to capture phase transitions. Phospholipid bilayers are a major component of cell membranes. We perform atomistic-scale simulations of phospholipid bilayers at three hydrations. These simulations offer a detailed picture of both water structure and dynamics, allowing us to study the properties of water as a function of hydration with high spatial resolution. We find an interesting crossover phenomenon in the diffusion of water at the phosphorus density maximum regardless of the overall hydration level. While most properties do not change beyond the commonly established excess water point, the water diffusion coefficient still increases upon further hydration. We propose a scheme that classifies lipid hydration water into buried water, interface water, and bulk-like water.We also use atomistic-scale simulations to calculate the free-energy profile of N2O in a lipid bilayer. The free-energy profile gives information about binding sites, partition coefficients of N2O in lipid and water, and the activation barrier for N2O penetration both into and across the lipid. This information is valuable for understanding the anesthetic action of N2O and its role as a probe molecule. The adaptive force matching method provides a mechanism to assess the effectiveness, quality, and transferability of a computational model. We apply this method to create high-quality models for liquid water and ice, assess the ability of one model to capture both phases, and calculate the melting points of the models by computing the free energy difference between phases. The free energy difference is zero at the melting point, a first-order phase transition. Such a computation is numerically challenging. We construct a novel thermodynamic pathway that avoids a first-order phase transition.
Download or read book Phospholipid Bilayers written by Gregor Cevc and published by Wiley-Interscience. This book was released on 1987-05-04 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces the principles underlying the fundamental physical properties of phospholipid bilayer membranes and summarizes current research in the field and directions for research. Covers the various methods of approach, summarizes a range of specific models, and gives detailed accounts of those models most useful for future work. Introduces the subject in a way that is accessible to those with little background in the subject, while presenting information at the forefront of current knowledge concerning it.
Download or read book Lipid Bilayers written by J. Katsaras and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the reader with an up to date insight of the current state of the art in the field of lipid bilayer research and the important insights derived for the understanding of the complex and varied behaviour of biological membranes and its function.
Download or read book Structure and Properties of Cell Membrane Structure and Properties of Cell Membranes written by Benga and published by CRC Press. This book was released on 2018-01-18 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides in-depth presentations in membrane biology by specialists of international repute. The volumes examine world literature on recent advances in understanding the molecular struc-ture and properties of membranes, the role they play in cellular physiology and cell-cell interactions, and the alterations leading to abnormal cells. Illustrations, tables, and useful appendices com-plement the text. Those professionals actively working in the field of cell membrane investigations as well as biologists, biochemists, biophysicists, physicians, and academicians, will find this work beneficial.
Download or read book Synthetic Microstructures in Biological Research written by M. Peckerar and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Third International Conference on Synthetic Microstructures in Biological Research (SMIBR) was held in Williamsburg, Virginia, September 9-12, 1991. This book represents the compilation of many of the papers and posters presented at the meeting. Publications resulting from previous SMIBR meetings held at Airlie House, Airlie, Virginia (March 24-26, 1986 and March 20-23, 1988) can be obtained from the Institute of Electrical and Electronic Engineers, Inc. (IEEE) Service Center (908 562-5418). The purpose of these conferences is to provide an interface between the engineering community and those at the cutting edge of biological and related material science. The overriding motive for assembling representatives from these diverse disciplines is clear. Engineers, even in 1986, could manipulate materials over dimensional scales on the order of those critical to biological systems. The devices that emerge from these manipulations could then be tailored to monitor system function more directly with significantly more localization than ever before. Thus, one important goal of the meetings is to provide the detailed specifications required for effective interfacing of devices with biological systems under investiga tion.
Download or read book Vesicles written by Morton Rosoff and published by CRC Press. This book was released on 1996-05-09 with total page 778 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Offers a concise, logically organized survey of vesicular science and the practical applications of vesicles--including the latest advances in drug delivery. Contains over 2500 helpful citations to the literature, more than 220 drawings and photographs, many in color, and some 350 equations. Presents important topics that indicate the current scope and direction of vesicular research."
Download or read book Phase Transitions in Insoluble Monolayers at the Air water Interface written by Norman R. Pallas and published by . This book was released on 1983 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Structure and Dynamics of Membranes written by R. Lipowsky and published by Elsevier. This book was released on 1995-06-15 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first volume of the Handbook deals with the amazing world of biomembranes and lipid bilayers. Part A describes all aspects related to the morphology of these membranes, beginning with the complex architecture of biomembranes, continues with a description of the bizarre morphology of lipid bilayers and concludes with technological applications of these membranes. The first two chapters deal with biomembranes, providing an introduction to the membranes of eucaryotes and a description of the evolution of membranes. The following chapters are concerned with different aspects of lipids including the physical properties of model membranes composed of lipid-protein mixtures, lateralphase separation of lipids and proteins and measurement of lipid-protein bilayer diffusion. Other chapters deal with the flexibility of fluid bilayers, the closure of bilayers into vesicles which attain a large variety of different shapes, and applications of lipid vesicles and liposomes. Part B covers membrane adhesion, membrane fusion and the interaction of biomembranes withpolymer networks such as the cytoskeleton. The first two chapters of this part discuss the generic interactions of membranes from the conceptual point of view. The following two chapters summarize the experimental work on two different bilayer systems. The next chapter deals with the process ofcontact formation, focal bounding and macroscopic contacts between cells. The cytoskeleton within eucaryotic cells consists of a network of relatively stiff filaments of which three different types of filaments have been identified. As explained in the next chapter much has been recently learned aboutthe interaction of these filaments with the cell membrane. The final two chapters deal with membrane fusion.
Download or read book Permeability and Stability of Lipid Bilayers written by E. Anibal Disalvo and published by CRC Press. This book was released on 2017-12-14 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Monolayers and Thin Multilayers of Phospholipids written by Michael Seul and published by . This book was released on 1985 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Phase Equilibria in Binary Mixtures of Phospholipid Monolayers at the Air water Interface written by Sandy Koppenol and published by . This book was released on 1993 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bioelectrochemistry written by Richard C. Alkire and published by John Wiley & Sons. This book was released on 2013-09-25 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioelectrochemistry is a fast growing field at the interface between electrochemistry and other sciences such as biochemistry, analytical chemistry and medicinal chemistry. In the recent years, the methods and the understanding of the fundamentals have seen significant progress, which has led to rapid development in the field. Here, the expert editors have carefully selected contributions to best reflect the latest developments in this hot and rapidly growing interdisciplinary topic. The resulting excellent and timely overview of this multifaceted field covers recent methodological advances, as well as a range of new applications for analytical detection, drug screening, tumor therapy, and for energy conversion in biofuel cells. This book is a must-have for all Electrochemists, Biochemists, Analytical Chemists, and Medicinal Chemists.
Download or read book Membrane Hydration written by E. Anibal Disalvo and published by Springer. This book was released on 2015-10-05 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
