منابع مشابه
Studies on Phosphatidylcholine Vesicles
The partial specific volume of phospholipid vesicles was determined by the sedimentation velocity method in various concentrations of hydrogen and deuterium oxide mixture. Since the density of D20 is very much greater than the reciprocal of the specific volume of phospholipids, the density of DzO-Hz0 medium corresponding to zero redistribution of phospholipids during sedimentation can be obtain...
متن کاملEffect of herbicides on phase transitions of dipalmitoyl phosphatidylcholine vesicles
The gel to liquid-crystalline phase transition of dipalmitoyl phosphatidylcholine (DPPC) vesicles was monitored with a lightscattering technique in the presence and absence of herbicides. The phase transition temperature for pure DPPC was determined as 41.6°C. 2-Methoxy-3,6-dichlorobenzoic acid (dicamba), 2-methoxy-3,6-dichlorophenylacetic acid (methoxy fenac), 2,4,5-T, (2,4,5-trichlorophenoxy)...
متن کاملSolubilization of triolein and cholesteryl oleate in egg phosphatidylcholine vesicles.
The incorporation of cholesteryl oleate and triolein into phospholipid vesicles was studied in cosonicated mixtures of 94 weight % egg phosphatidylcholine and 6 weight % neutral lipid (0-6% triolein and 6-0% cholesteryl oleate). 13C NMR spectroscopy was used to quantitate both neutral lipids in vesicles containing 90% isotopically substituted [carbonyl-13C]cholesteryl oleate and [carbonyl-13C]t...
متن کاملSolubilization of acyl heterogeneous triacylglycerol in phosphatidylcholine vesicles.
The amount of acyl heterogeneous triacylglycerol (TG(HET)) solubilized by phosphatidylcholine (PC) vesicles, prepared by co-sonication of egg PC and small amounts (<6% w/w) of TG(HET), was determined using (13)C nuclear magnetic resonance (NMR). The acyl chains of TG(HET) were predominantly 16 or 18 carbons in length, 50% saturated, and approximately 21.7% (13)C isotopically enriched at the car...
متن کاملInteraction of Phenol-Soluble Modulins with Phosphatidylcholine Vesicles
Several members of the staphylococcal phenol-soluble modulin (PSM) peptide family exhibit pronounced capacities to lyse eukaryotic cells, such as neutrophils, monocytes, and erythrocytes. This is commonly assumed to be due to the amphipathic, α-helical structure of PSMs, giving PSMs detergent-like characteristics and allowing for a relatively non-specific destruction of biological membranes. Ho...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1971
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)62325-7