Bioscience Reports 1989-08-01

Model membrane partition ESR study in the presence of alpha-tocopherol by a new spin probe.

F Severcan, S Cannistraro

Index: Biosci. Rep. 9(4) , 489-95, (1989)

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Abstract

The effect of alpha-tocopherol (alpha T) on partitioning and fluidity changes occurring in phospholipid liposomes have been investigated by monitoring the X-band ESR spectrum of the high resolution amphiphilic spin probe perdeutero-di-t-butyl nitroxide (PDDTBN), which partitions in the lipid and water phase of liposomes, showing all the three resonances from each phase well resolved.