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. Author manuscript; available in PMC: 2009 Aug 7.
Published in final edited form as: J Magn Reson. 2008 Apr 29;193(1):127–132. doi: 10.1016/j.jmr.2008.04.034

Fig. 3.

Fig. 3

Simulation EPR lineshape as a function of periodic changes in linewidth of a Lorentzian function. (A) Second derivative spectra corresponding to changes in linewidth. The vertical line corresponds to the resonance field. (B) Temporal changes in spectral amplitude at the resonance field as a function of periodic linewidth modulation. As shown, the response to pressure modulations at 1 Hz is measured in EPR as amplitude changes at 1 Hz.