NMR studies of the action of n-alcohols on phospholipid vesicular systems.
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NMR studies of the action of n-alcohols on phospholipid vesicular systems. by Michael Kaszuba

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Published .
Written in English


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ContributionsPolytechnic of Wales.
ID Numbers
Open LibraryOL16798814M

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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. Box , SE 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. ), and Balou and Massey (Ballou et al. ) and others shed considerable light on the chemical basis for FMO action. Studies of the chemistry of 4a-hydroperoxy ¯avins and the.

Enzyme Systems that Metabolise Drugs and Other Xenobiotics Enzyme Systems that Metabolise Drugs and Other Xenobiotics. Edited by Costas Ioannides Copyright # John. A significant number of quadrupolar dyes with a D-π-A-π-D or A-π-D-π-A structure, where D and A are electron donor and acceptor groups, were shown to undergo s. In the s, important studies describing the mechanism of molecular oxygen addition to dihydroisoalloxazines and related avin models by Bruice (Kemal et al. ), and Balou and Massey (Ballou et al. ) and others shed considerable light on the chemical basis for FMO action. Studies of the chemistry of 4a-hydroperoxy avins and the kinetics. Therefore, the thermal behavior of dispersed systems is an essential parameter in studying structural and thermodynamic aspects. For generations, attempts have been made to heat and cool foams, emulsions, dispersions, and heterogeneous colloidal systems, and to learn about the stability of the systems through their thermal behavior.