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. 2019 Jan 18;5(1):eaav6909. doi: 10.1126/sciadv.aav6909

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Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — The buildup curves show the enhancement factor as a function of (A) the mixing time τ_mix by incrementing the loop m, which spans a period of τ_p + d = 84 ns, while keeping the time τ_DNP constant at ~8 s and (B) time τ_DNP by incrementing the loop h (Fig. 1) while keeping the time τ_mix constant at ~9.7 μs. The fitted single exponential curves (blue) yield time constants of (A) τ_1mix ~ 2.5 μs and (B) τ_1DNP ~ 8.4 s.