Conversion of an E-3 ESR Spectrometer to Detect the 2nd, 3rd, and 4th Harmonic of Absorption

  • D. Schwarz
  • N. Klimes
Conference paper

Abstract

The conversion of an E-3 ESR spectrometer based on an independent modulation system for 50, 33.3 and 25 kHz field modulation is described. The versatility of this approach is demonstrated by observation of saturation transfer spectra from spin labeled biopolymers and the resolution enhancement by third harmonic detection of ESR.

Keywords

Human Serum Albumin Harmonic Spectrum Modulation Circuit Saturation Transfer Additional Phase Shifter 
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References

  1. 1.
    D.D.Thomas, L.R.Dalton and J.S.Hyde, J. Chem. Phys. 65, 3006 (1976).ADSCrossRefGoogle Scholar
  2. 2.
    M.Chevion, M.M.Traum, W.E.Blumberg and J.Peisach, Biochim. Biophys. Acta 490, 272 (1977).Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1979

Authors and Affiliations

  • D. Schwarz
    • 1
  • N. Klimes
    • 1
  1. 1.Central Institute for Molecular BiologyAcademy of Sciences of GDRBerlinGDR

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