Journal ArticleDOI
Micropolarity of interfaces containing anionic and neutral glycosphingolipids as sensed by Merocyanine 540
TLDR
Spectral properties of Merocyanine 540 were used in an attempt to investigate the interfacial micropolarity of liposomes constituted by egg phosphatidylcholine with phosphorus with results that reveal a more polar microenvironment for interfaces containing anionic glycosphingolipids or PA compared to interfaces constituted by PC alone or PC with neutral glycosphers.About:
This article is published in Chemistry and Physics of Lipids.The article was published on 1985-11-01. It has received 33 citations till now.read more
Citations
More filters
Journal ArticleDOI
The surface behavior of glycosphingolipids in biomembranes: a new frontier of molecular ecology.
Journal ArticleDOI
Water dynamics in glycosphingolipid aggregates studied by LAURDAN fluorescence.
TL;DR: It is concluded that 6-dodecanoyl-2-dimethylamine-naphthalene (LAURDAN) in pure interfaces formed by sphingomyelin and 10 chemically related glycosphingolipids (GSLs) resides in sites containing different amounts of water, and the dehydration effect of cholesterol depends strongly on the curvature radius and the extent of hydration of these lipid aggregates.
Journal ArticleDOI
Shape Transitions and Lattice Structuring of Ceramide-Enriched Domains Generated by Sphingomyelinase in Lipid Monolayers
TL;DR: Following the theories of lateral shape transitions, dipolar electrostatic interactions of lipid domains, and direct determinations of the monolayer dipole potential, the data show that SMase induces a domain-specific packing and orientation of the molecular dipole moments perpendicular to the air/water interface.
Journal ArticleDOI
Membrane Fusion Induced by Small Molecules and Ions
Sutapa Mondal Roy,Munna Sarkar +1 more
TL;DR: How a variety of small molecules/ions act as independent fusogens is presented, which will open up a vista to use these moleucles instead of proteins/peptides to induce fusion both in vivo and in vitro fusion processes.
Journal ArticleDOI
Biophysics of sphingolipids II. Glycosphingolipids: an assortment of multiple structural information transducers at the membrane surface.
TL;DR: Most of the advances made over the last decade on the biophysical behavior of glycosphingolipids can be organized into three related aspects of increasing structural complexity: intrinsic codes, surface topography and beyond the membrane interface.
References
More filters
Journal ArticleDOI
Interactions of cytochrome c and [14C]-carboxymethylated cytochrome c with monolayers of phosphatidylcholine, phosphatidic acid and cardiolipin
P. J. Quinn,Rex M. C. Dawson +1 more
TL;DR: The binding of cytochrome c to phospholipids can only be partially understood by a consideration of the ionic interaction between the components and that subtle conformational changes in the protein must affect the magnitude and stability of the complex.
Journal ArticleDOI
Perturbations of membrane structure by optical probes: I. Location and structural sensitivity of merocyanine 540 bound to phospholipid membranes
Peter I. Lelkes,Israel R. Miller +1 more
TL;DR: The maximum monomer absorption wavelength of a frequently used external membrane probe, Merocyanine 540, can be related to the location of the binding site for the dye within lipid membranes, and the relevance of this finding for the mechanism of transient optical signals in connection with the occurrence of action potentials in excitable membranes is discussed.
Journal ArticleDOI
Molecular behaviour of glycosphingolipids in interfaces. Possible participation in some properties of nerve membranes.
Journal ArticleDOI
Electron paramagnetic resonance studies on the fluidity and surface dynamics of egg phosphatidylcholine vesicles containing gangliosides.
Enrico Bertoli,Massimo Masserini,Sandro Sonnino,Riccardo Ghidoni,Benvenuto Cestaro,Guido Tettamanti +5 more
TL;DR: It is suggested that gangliosides cause strong side-side head group interactions on the bilayer surface--betweenganglioside oligosaccharide chains and between gangliosiside and phosphatidylcholine polar portions--which lead the lipid chains to assembly in a more rigid fashion.
Journal ArticleDOI
Interactions of tocopherols and ubiquinones with monolayers of phospholipids.
TL;DR: It is suggested that fluidity of the lipid bilayer in membranes containing polyunsaturated phospholipids may allow alpha-tocopherol to interact in a dynamic manner with a number of phospholIPid molecules.