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Fall time analysis of diffusivity profile. (A) Force jump refolding trajectories measured with a passive force clamp are shown. (B) The average fall time calculated from the force jump trajectories is shown. (C) 1/ρ′, reciprocal of the exit flux. (D) The diffusivity profile from Eq. 3 is close to constant and disagrees with the results from the round-trip time analysis. Error bars represent SE.
