Title : Mechanism of relaxation enhancement of spin labels in membranes by paramagnetic ion salts: dependence on 3d and 4f ions and on the anions.

Pub. Date : 2001 Feb

PMID : 11237628






1 Functional Relationships(s)
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1 Detailed studies coupled with theoretical estimates reveal that, for the chlorides and perchlorates of Ni(2+) (and Co(2+)), the relaxation enhancements are dominated by Heisenberg spin exchange interactions with paramagnetic ions dissolved in fluid membranes. Cobalt(2+) spindlin 1 Homo sapiens