Results 51 to 60 of about 1,228,036 (371)

Sterols sense swelling in lipid bilayers [PDF]

open access: yes, 1998
In the mimetic membrane system of phosphatidylcholine bilayers, thickening (pre-critical behavior, anomalous swelling) of the bilayers is observed, in the vicinity of the main transition, which is non-linear with temperature.
A. Blume   +41 more
core   +1 more source

Electrostatics of lipid bilayer bending

open access: yesBiophysical Journal, 1997
The electrostatic contribution to spontaneous membrane curvature is calculated within Poisson-Boltzmann theory under a variety of assumptions and emphasizing parameters in the physiological range. Asymmetric surface charges, either fixed with respect to bilayer midplane area, or with respect to the lipid-water area both induce curvature but of opposite
Marko V. Jarić   +2 more
openaire   +4 more sources

Neural Stem Cell Spreading on Lipid Based Artificial Cell Surfaces, Characterized by Combined X-ray and Neutron Reflectometry [PDF]

open access: yes, 2010
We developed a bioadhesive coating based on a synthetic peptide-conjugate (AK-cycloRGDfC]) which contains multiples of the arginyl-glycyl-aspartic acid (RGD) amino acid sequence.
Bert Nickel   +9 more
core   +3 more sources

Protocells: Modular Mesoporous Silica Nanoparticle-Supported Lipid Bilayers for Drug Delivery.

open access: yesSmall, 2016
Mesoporous silica nanoparticle-supported lipid bilayers, termed 'protocells,' represent a potentially transformative class of therapeutic and theranostic delivery vehicle.
Kimberly S. Butler   +5 more
semanticscholar   +1 more source

Amyloid-β oligomers have a profound detergent-like effect on lipid membrane bilayers, imaged by atomic force and electron microscopy

open access: yesJournal of Biological Chemistry, 2019
The ability of amyloid-β peptide (Aβ) to disrupt membrane integrity and cellular homeostasis is believed to be central to Alzheimer's disease pathology. Aβ is reported to have various impacts on the lipid bilayer, but a clearer picture of Aβ influence on
David C. Bode   +4 more
semanticscholar   +1 more source

A continuum model of lipid bilayers [PDF]

open access: yesEuropean Journal of Applied Mathematics, 2004
We study a one-dimensional continuum model for lipid bilayers. The system consists of water and lipid molecules; lipid molecules are represented by two ‘beads’, a head bead and a tail bead, connected by a rigid rod. We derive a simplified model for such a system, in which we only take into account the effects of entropy and hydrophilic/hydrophobic ...
Joke Blom, Mark A. Peletier
openaire   +2 more sources

Lipid/water interface of galactolipid bilayers in different lyotropic liquid-crystalline phases

open access: yesFrontiers in Molecular Biosciences, 2022
In this study, carried out using computational methods, the organisation of the lipid/water interface of bilayers composed of galactolipids with both α-linolenoyl acyl chains is analysed and compared in three different lyotropic liquid-crystalline phases.
Jakub Hryc   +3 more
doaj   +1 more source

Mapping surface charge density of lipid bilayers by quantitative surface conductivity microscopy

open access: yesNature Communications, 2016
Local surface charge density of lipid membranes influences membrane–protein interactions leading to distinct functions in all living cells, and it is a vital parameter in understanding membrane-binding mechanisms, liposome design and drug delivery ...
L. Klausen, Thomas Fuhs, M. Dong
semanticscholar   +1 more source

Supported bilayers: combined specular and diffuse x-ray scattering [PDF]

open access: yes, 2009
A new method is proposed for the analysis of specular and off-specular reflectivity from supported lipid bilayers. Both thermal fluctuations and the "static" roughness induced by the substrate are carefully taken into account.
Charitat, Thierry   +2 more
core   +2 more sources

Hydrophobic silver nanoparticles trapped in lipid bilayers: Size distribution, bilayer phase behavior, and optical properties

open access: yesJournal of Nanobiotechnology, 2008
Background Lipid-based dispersion of nanoparticles provides a biologically inspired route to designing therapeutic agents and a means of reducing nanoparticle toxicity.
Bothun Geoffrey D
doaj   +1 more source

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