Phospholipid Monolayers
نویسنده
چکیده
منابع مشابه
Three-phase intersection points in monolayers
Some phospholipid/dihydrocholesterol Langmuir monolayers form coexisting liquid phases. Gas domains form at the interface between the phospholipid-rich and dihydrocholesterol-rich liquid phases when these monolayers undergo expansion to low surface pressure. Analysis of the domain shapes thus formed yields the relative line tensions of the gas/phospholipid, gas/dihydrocholesterol, and phospholi...
متن کاملThe adsorption of prothrombin to phospholipid monolayers quantitated by ellipsometry.
We investigated by means of an automated ellipsometer the calcium-dependent binding of prothrombin from a buffer solution to monolayers of dioleoylphosphatidylserine (DOPS) and dioleoylphosphatidylcholine (DOPC) deposited on chromium slides. This technique allows direct measurements of bound and free protein concentrations and is not hampered by calcium-induced aggregation of vesicles. For pure...
متن کاملAn atomic force microscope study of thermal behavior of phospholipid monolayers on mica.
We observed by using atomic force microscope (AFM) phospholipid (1,2-dipalmitoyl-sn-glycero-3-phosphocholine) monolayers on mica being annealed and cooled to a selection of temperatures through steps of 2-4 degrees C/min. The annealed phospholipid monolayers started to disappear at 45-50 degrees C and disappeared completely above 60-63 degrees C under AFM observation. The phospholipid monolayer...
متن کاملA neutron reflectivity study of polymer-modified phospholipid monolayers at the solid-solution interface: polyethylene glycol-lipids on silane-modified substrates.
The structure of polymer-decorated phospholipid monolayers at the solid-solution interface was investigated using neutron reflectometry. The monolayers were composed of distearoylphosphatidylethanolamine (DSPE) matrixed with varying amounts of DSPE-PEG (DSPE with polyethylene glycol covalently grafted to its headgroup). Mixed lipid monolayers were Langmuir-Blodgett deposited onto hydrophobic qu...
متن کاملMixed Langmuir monolayers of an amphiphilic chromo-ionophore and the phospholipid DMPC
The amphiphilic chromo-ionophore 2-[(1E,3E)-4-(2,3,5,6,8,9,11,12,14,15-decahydro-1,7,10,16,4,13-benzotetraoxadithiacyclooctadecin-18-yl)-1,3-butadienyl]-3-octadecyl-1,3-benzothiazol-3-ium perchlorate (AB211) forms mixed monolayers at the air–water interface with the phospholipid L-a-dimyristoylphosphatidylcholine (DMPC) as deduced from surface pressure– area and surface potential–area isotherms...
متن کاملPacking of ganglioside-phospholipid monolayers: an x-ray diffraction and reflectivity study.
Using synchrotron grazing-incidence x-ray diffraction (GIXD) and reflectivity, the in-plane and out-of-plane structure of mixed ganglioside-phospholipid monolayers was investigated at the air-water interface. Mixed monolayers of 0, 5, 10, 20, and 100 mol% ganglioside GM(1) and the phospholipid dipalmitoylphosphatidylethanolamine (DPPE) were studied in the solid phase at 23 degrees C and a surfa...
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تاریخ انتشار 1996