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Identity of distributions of direct uphill and downhill translocation times for particles traversing membrane channels

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Citation

Berezhkovskii, A. M., Hummer, G., & Bezrukov, S. M. (2006). Identity of distributions of direct uphill and downhill translocation times for particles traversing membrane channels. Physical Review Letters, 97(2): 020601. doi:10.1103/PhysRevLett.97.020601.


Cite as: https://hdl.handle.net/21.11116/0000-0008-5624-F
Abstract
We study the distribution of direct translocation times for particles passing through membrane channels connecting two reservoirs. The direct translocation time is a conditional first-passage time defined as the residence time of the particle in the channel while passing to the other side of the membrane directly, i.e., without returning to the reservoir from which it entered. We show that the distributions of direct translocation times are identical for translocation in both directions, independent of any asymmetry in the potential across the channel and, hence, the translocation probabilities.