Quantized biopolymer translocation through nanopores: departure from simple scaling (Articolo in rivista)

Type
Label
  • Quantized biopolymer translocation through nanopores: departure from simple scaling (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • Melchionna, S.; Bernaschi, M.; Fyta, M.; Kaxiras, E.; Succi, S. (2009)
    Quantized biopolymer translocation through nanopores: departure from simple scaling
    in Physical review. E, Statistical, nonlinear, and soft matter physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Melchionna, S.; Bernaschi, M.; Fyta, M.; Kaxiras, E.; Succi, S. (literal)
Pagina inizio
  • 030901 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 79 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IPCF - CNR and Harvard University; IAC - CNR; SEAS, Harvard University; SEAS, Harvard University; IAC - CNR (literal)
Titolo
  • Quantized biopolymer translocation through nanopores: departure from simple scaling (literal)
Abstract
  • We discuss multiscale simulations of long biopolymer translocation through wide nanopores that can ac- commodate multiple polymer strands. The simulations provide clear evidence of folding quantization, namely the translocation proceeds through multifolded configurations characterized by a well-defined integer number of folds. As a consequence, the translocation time acquires a dependence on the average folding number, which results in a deviation from the single-exponent power law characterizing single-file translocation through narrow pores. The mechanism of folding quantization allows polymers above a threshold length (approximately 1000 persistence lengths for double-stranded DNA) to exhibit cooperative behavior, and as a result to translocate noticeably faster. (literal)
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