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Related papers: Lateral-Pressure Profiles in Cholesterol-DPPC Bila…

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Temperature controlled Polarization Modulation Near-Field Scanning Optical Microscopy (PM-NSOM) measurements of a single supported $L_{\beta^{\prime}}$ 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) lipid bilayer are presented. The…

Soft Condensed Matter · Physics 2020-04-01 Merrell A. Johnson , Ricardo S. Decca

Artificial bilayer lipid membranes (BLMs), along with patch-clamped membranes, are frequently used for functional analyses of membrane proteins. In both methods, the electric properties of membranes are characterized by only one parameter,…

In this paper, we examine the mechanical role of the lipid bilayer in ion channel conformation and function with specific reference to the case of the mechanosensitive channel of large conductance (MscL). In a recent paper (Wiggins and…

Biomolecules · Quantitative Biology 2009-11-10 Paul Wiggins , Rob Phillips

The statistical physics and dynamics of double supported bilayers are studied theoretically. The main goal in designing double supported lipid bilayers is to obtain model systems of biomembranes: the upper bilayer is meant to be almost…

Soft Condensed Matter · Physics 2015-03-13 Manoel Manghi , Nicolas Destainville

The topological pressure is evaluated for a dilute random Lorentz gas, in the approximation that takes into account only uncorrelated collisions between the moving particle and fixed, hard sphere scatterers. The pressure is obtained…

Chaotic Dynamics · Physics 2007-05-23 Henk van Beijeren , J. R. Dorfman

We propose a model describing the phase behavior of two-component membranes consisting of binary mixtures of electrically charged and neutral lipids. We take into account the structural phase transition (main-transition) of the hydrocarbon…

Soft Condensed Matter · Physics 2016-07-11 Naofumi Shimokawa , Hiroki Himeno , Tsutomu Hamada , Masahiro Takagi , Shigeyuki Komura , David Andelman

We theoretically investigate the dynamics of a floating lipid bilayer membrane coupled with a two-dimensional cytoskeleton network, taking into explicitly account the intermonolayer friction, the discrete lattice structure of the…

Soft Condensed Matter · Physics 2017-08-02 Ryuichi Okamoto , Shigeyuki Komura , Jean-Baptiste Fournier

Computer simulation study of phase transitional behaviour of cholesterol molecules embedded with terminal dipole is reported. In this work, coarse-grained modeling of cholesteric molecules is done to study the influence of the coupled…

Soft Condensed Matter · Physics 2018-10-01 Tanay Paul Jayashree Saha

The equilibrium distance between two lipid bilayers stable in bulk water and in proximity of a substrate was investigated. Samples consisted of a homogeneous lipid bilayer, floating near an identical bilayer deposited on the hydrophilic…

Soft Condensed Matter · Physics 2007-05-23 Giovanna Fragneto , Thierry Charitat , Edith Bellet-Amalric , Robert Cubitt , Francois Graner

Understanding the role of cholesterol in ionic liquid (IL)-membrane interactions is essential for advancing biomedical applications of ILs, including the development of innovative antimicrobial agents. In this study, we explore the…

Soft Condensed Matter · Physics 2025-05-26 J. Gupta , V. K. Sharma , P. Hitaishi , A. K. Jha , J. B. Mitra , H. Srinivasan , S. Kumar , A. Kumar , S. K. Ghosh , S. Mitra

The physicochemical properties of lipid bilayers (membranes) are closely associated with various cellular functions and are often evaluated using absorption and fluorescence spectroscopies. For instance, by employing fluorescent probes that…

We consider the hydrodynamics of lipid bilayers containing transmembrane proteins of arbitrary shape. This biologically-motivated problem is relevant to the cell membrane, whose fluctuating dynamics play a key role in phenomena ranging from…

Soft Condensed Matter · Physics 2016-10-10 Andrew Callan-Jones , Marc Durand , Jean-Baptiste Fournier

Water activity and its relationship with interactions stabilising lamellar stacks of mixed lipid bilayers in their fluid state are investigated by means of osmotic pressure measurements coupled with small-angle x-ray scattering. The…

Response of lipid bilayers to external mechanical stimuli is an active area of research with implications for fundamental and synthetic cell biology. However, there is a lack of tools for systematically imposing mechanical strains and…

The linear compressibility of two-dimensional fatty acid mesophases has determined by grazing incidence x-ray diffraction. Surface pressure vs molecular area isotherms were reconstructed from these measurements, and the linear…

Soft Condensed Matter · Physics 2009-10-30 C. Fradin , J. Daillant , A. Braslau , D. Luzet , M. Alba , M. Goldmann

Understanding interactions between membranes requires measurements on well-controlled systems close to natural conditions, in which fluctuations play an important role. We have determined, by grazing incidence X-ray scattering, the…

A coarse-grained molecular model, which consists of a spherical particle and an orientation vector, is proposed to simulate lipid membrane on a large length scale. The solvent is implicitly represented by an effective attractive interaction…

Soft Condensed Matter · Physics 2015-05-20 Hiroshi Noguchi

Bilayer lipid membranes (BLMs) are an essential component of many biological systems, forming a functional barrier between the cell and the surrounding environment. When the membrane relaxes from a structural perturbation, the dynamics of…

Soft Condensed Matter · Physics 2015-07-27 R. J. Bingham , S. W. Smye , P. D. Olmsted

Atherosclerotic plaques form in artery walls due to a chronic inflammatory response driven by lipid accumulation. A key component of the inflammatory response is the interaction between monocyte-derived macrophages and extracellular lipid.…

Cell Behavior · Quantitative Biology 2022-12-08 Keith L Chambers , Mary R Myerscough , Helen M Byrne

We consider the formation of finite-size domains in lipid bilayers consisting of saturated and hybrid lipids. First, we describe a monolayer model that includes a coupling between a compositional scalar field and a two-dimensional vectorial…

Soft Condensed Matter · Physics 2012-08-21 Yuichi Hirose , Shigeyuki Komura , David Andelman