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. 2017 Oct 3;113(7):1475–1484. doi: 10.1016/j.bpj.2017.07.031

Figure 4.

Figure 4

FAD-Z radical pair with a dipolar coupling, D = −407 μT. (a) Action-spectrum histogram comprising frequencies spread over the range 0−100 MHz (bin width, 1 MHz). Inset: an expanded portion of the main figure (bin width, 0.1 MHz). The strong peak at the Larmor frequency (Fig. 3a) has been abolished by the dipolar interaction. (b) The anisotropic singlet yield, ΦS(θ), in the presence of 1.4 and 2.8 MHz single-frequency fields and 0–10 and 2–10 MHz broadband fields. The 1.4 MHz (blue) and 2.8 MHz (red) traces are very similar to the singlet yield in the absence of a radiofrequency field (black).