Optimization of transversal relaxation of nitroxides for pulsed electron-electron double resonance spectroscopy in phospholipid membranes.

@article{Dastvan2010OptimizationOT,
  title={Optimization of transversal relaxation of nitroxides for pulsed electron-electron double resonance spectroscopy in phospholipid membranes.},
  author={Reza Dastvan and Bela E Bode and Muruga Poopathi Raja Karuppiah and Andriy Marko and Sevdalina Lyubenova and Harald Schwalbe and Thomas F Prisner},
  journal={The journal of physical chemistry. B},
  year={2010},
  volume={114 42},
  pages={
          13507-16
        }
}
Pulsed electron-electron double resonance (PELDOR) spectroscopy is increasingly applied to spin-labeled membrane proteins. However, after reconstitution into liposomes, spin labels often exhibit a much faster transversal relaxation (T(m)) than in detergent micelles, thus limiting application of the method in lipid bilayers. In this study, the main reasons for enhanced transversal relaxation in phospholipid membranes were investigated systematically by use of spin-labeled derivatives of stearic… CONTINUE READING

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