2 edition of NMR studies of the action of n-alcohols on phospholipid vesicular systems. found in the catalog.
NMR studies of the action of n-alcohols on phospholipid vesicular systems.
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31 P- and 1 H-NMR spectroscopy of small, unilamellar egg yolk phosphatidylcholine (PC) vesicles in the presence of the lanthanide ion Dy 3+ have been used to study the effect of various n-alcohols on the permeability induced by the action of the enzyme phospholipase A 2 (PLA 2).The method allows the monitoring of the number of PC and lysoPC molecules in the outer and inner by: Chemistry and Physics of Lipids, 51 () 55 Elsevier Scientific Publishers Ireland Ltd.
The effect of n-alcohols on vesicular permeability induced at the lipid phase transition temperature: a 1H-NMR study G.R.A. Hunt and M. Kaszuba Department of Science, Polytechnic of Wales, Pontypridd, Mid Giamorgan CF37 IDL (U.K.J (Received October 3rd, ; revision received February 7th, Cited by: We investigate the structural changes to lipid membrane that ensue from the addition of aliphatic alcohols with various alkyl tail lengths.
Small angle neutron diffraction from flat lipid bilayers that are hydrated through water vapor has been employed to eliminate possible artefacts of the membrane curvature and the alcohol’s membrane-water partitioning.
We have observed clear changes to Cited by: 7. The effect of 1-alkanols upon the main phase-transition temperature of phospholipid vesicle membranes between gel and liquid-crystalline phases was not a simple monotonic function of alkanol concentration.
For instance, 1-decanol decreased the transition temperature at low concentrations, but increased it at high concentrations, displaying a minimal by: In Section 5, we describe how condensing agents such as cyanamide and urea can promote the abiotic synthesis of phospholipids.
We conclude the review by reflecting on future studies of phospholipid compartments, particularly, on evolvable chemical systems that include giant vesicles composed of different lipidic by: Both the NMR and DSC studies indicated that the drug molecules were probably localized in the lipid-water interfacial region neighboring the lipid headgroups or the glycerol : Lata Panicker.
The Kemp elimination in membrane mimetic reaction media. Probing catalytic properties of cationic vesicles formed from a double-tailed amphiphile and linear long-tailed alcohols or alkyl.
Membrane lipidsclearly have a role to play in this phenomenon, and much has been learned from studies on lipidfusion systems, as described in Chapter 8.
This section of the book ends with a look at a topic ofintense interest at the time this book is being prepared: lipid rafts (Chapter 9).
Center for Chemistry and Chemical Engineering P.O. BoxSE 00 Lund Phone: +46 46 81 50 Fax: +46 46 44 13 Physical Chemistry 1File Size: 2MB. In the s, important studies describing the mechanism of molecular oxygen addition to dihydroisoalloxazines and related ¯avin models by Bruice (Kemal et al.
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Evans, Barbara R; Bali, Garima; Reeves, David T. Full text of "Trends in Colloid and Interface Science XV [electronic resource]" See other formats.
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