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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.

Michael Kaszuba

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

by Michael Kaszuba

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Published .
Written in English


Edition Notes

ContributionsPolytechnic of Wales.
ID Numbers
Open LibraryOL16798814M


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NMR studies of the action of n-alcohols on phospholipid vesicular systems by Michael Kaszuba Download PDF EPUB FB2

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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Enzyme Systems that Metabolise Drugs and Other Xenobiotics Enzyme Systems that Metabolise Drugs and Other Xenobiotics. Edited by Costas Ioannides Copyright # John.

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), 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. Metabolism: Part II. The Tricarboxylic Acid (TCA), Citric Acid, or Krebs Cycle.

ERIC Educational Resources Information Center. Bodner, George M. Differentiates the tri. Effect of D 2 O on growth properties and chemical structure of annual ryegrass (Lolium multiflorum) SciTech Connect.

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Full text of "Forms of water in biologic systems, volumeart. 2" See other formats. This concentration is maintained by the combined action of the ATP-dependent pump and Na + /Ca 2+ exchanger systems on the 45 Patch Clamp Technique for Looking at Serotonin Receptors in B Cell Lines: A Black Box Test 33 surface of the membrane, as well as by ATP-dependent pumps present on intracellular organelles such as the endoplasmic.

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