Molecular factors that determine Curie spin relaxation in dysprosium complexes.

@article{Caravan2001MolecularFT,
  title={Molecular factors that determine Curie spin relaxation in dysprosium complexes.},
  author={Peter Caravan and Matthew T. Greenfield and Jeff W M Bulte},
  journal={Magnetic resonance in medicine},
  year={2001},
  volume={46 5},
  pages={917-22}
}
Dysprosium complexes can serve as transverse relaxation (T(2)) agents for water protons through chemical exchange and the Curie spin relaxation mechanism. Using a pair of matched dysprosium(III) complexes, Dy-L1 (contains one inner-sphere water) and Dy-L2 (no inner-sphere water), it is shown that the transverse relaxation of bulk water is predominantly an inner-sphere effect. The kinetics of water exchange at Dy-L1 were determined by (17)O NMR. Proton transverse relaxation by Dy-L1 at high… CONTINUE READING

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