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Non-stationary analysis of molecule capture and translocation in nanopore arrays
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0003-2562-0540
KTH, School of Engineering Sciences (SCI), Applied Physics, Materials and Nanophysics.ORCID iD: 0000-0002-8962-1844
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0002-5260-5322
2019 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 150, no 8, article id 084904Article in journal (Refereed) Published
Abstract [en]

Analytical formulas for the ON- and OFF-time distributions as well as for the autocorrelation function were derived for the case of single molecule translocation through nanopore arrays. The obtained time-dependent expressions describe very well experimentally recorded statistics of DNA translocations through an array of solid state nanopores, which allows us to extract molecule and system related physical parameters from the experimental traces. The necessity of non-stationary analysis as opposite to the steady-state approximation has been vindicated for the molecule capture process, where different time-dependent regimes were identified. A long tail in the distribution of translocation times has been rationalized invoking Markov jumps, where a possible sequential ordering of events was elucidated through autocorrelation function analysis. Published under license by AIP Publishing.

Place, publisher, year, edition, pages
AMER INST PHYSICS , 2019. Vol. 150, no 8, article id 084904
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Physical Sciences
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URN: urn:nbn:se:kth:diva-247835DOI: 10.1063/1.5060661ISI: 000460034700030PubMedID: 30823763Scopus ID: 2-s2.0-85062398572OAI: oai:DiVA.org:kth-247835DiVA, id: diva2:1299166
Note

QC 20190326

Available from: 2019-03-26 Created: 2019-03-26 Last updated: 2019-04-04Bibliographically approved

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Sychugov, IlyaZhang, MiaoLinnros, Jan

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