ArticlePolymers2019
Polymer Translocation Across a Corrugated Channel: Fick⁻Jacobs Approximation Extended Beyond the Mean First-Passage Time.
Article in Polymers, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Polymer Translocation and Nanopore Sequencing: A Review of Advances and Challenges.International journal of molecular sciences · 2023Review
- Closed Formula for Transport across Constrictions.Entropy (Basel, Switzerland) · 2023Article
- Geometric differences in the ribosome exit tunnel impact the escape of small nascent proteins.Biophysical journal · 2023Article
- Pore shapes effects on polymer translocation.The European physical journal. E, Soft matter · 2020Article
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2 authors.
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Abstract
Polymer translocation across a corrugated channel is a paradigmatic stochastic process encountered in diverse systems. The instance of time when a polymer first arrives to some prescribed location defines an important characteristic time-scale for various phenomena, which are triggered or controlled by such an event. Here we discuss the translocation dynamics of a Gaussian polymer in a periodically-corrugated channel using an appropriately generalized Fick⁻Jacobs approach. Our main aim is to probe an effective broadness of the first-passage time distribution (FPTD), by determining the so-called coefficient of variation γ of the FPTD, defined as the ratio of the standard deviation versus the mean first-passage time (MFPT). We present a systematic analysis of γ as a function of a variety of system's parameters. We show that γ never significantly drops below 1 and, in fact, can attain very large values, implying that the MFPT alone cannot characterize the first-passage statistics of the translocation process exhaustively well.
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