Dependence of Saturation-Transfer EPR Intensities on Spin-Lattice Relaxation

  title={Dependence of Saturation-Transfer EPR Intensities on Spin-Lattice Relaxation},
  author={Pali and I L Livshits and Marsh},
  journal={Journal of magnetic resonance. Series B},
  volume={113 2},
The intensities of saturation-transfer EPR (ST-EPR) spectra from nitroxyl spin labels have proved a sensitive means for studying slow exchange processes (both Heisenberg spin exchange and physical/chemical exchange) and weak interactions with paramagnetic ions, via the dependence on the effective spin-lattice relaxation rate (D. Marsh, Appl. Magn. Reson. 3, 53, 1992). The dependences of the second-harmonic EPR absorption intensities detected in phase quadrature with the field modulation (V'2… CONTINUE READING

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