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Issue 43, 2016
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Slowing the translocation of single-stranded DNA by using nano-cylindrical passage self-assembled by amphiphilic block copolymers

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Abstract

We report a novel approach to slow the translocation of single-stranded DNA (ssDNA) by employing polyethylene oxide (PEO) filled nano-cylindrical domains as transportation channels. DNA strands were demonstrated to electrophoretically translocate through PEO filled cylindrical domains with diameters of 2 and 9 nm, which were self-assembled by amphiphilic liquid crystalline block copolymers. The average translocation rate of ssDNA strands was effectively reduced to an order of 10 μs per nucleotide, which was 1–2 orders slower than that attained by utilizing conventional solid-state nanopore devices.

Graphical abstract: Slowing the translocation of single-stranded DNA by using nano-cylindrical passage self-assembled by amphiphilic block copolymers

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Publication details

The article was received on 19 Aug 2016, accepted on 29 Sep 2016 and first published on 04 Oct 2016


Article type: Communication
DOI: 10.1039/C6NR06575A
Citation: Nanoscale, 2016,8, 18270-18276
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    Slowing the translocation of single-stranded DNA by using nano-cylindrical passage self-assembled by amphiphilic block copolymers

    H. Yoshida, Y. Goto, R. Akahori, Y. Tada, S. Terada, M. Komura and T. Iyoda, Nanoscale, 2016, 8, 18270
    DOI: 10.1039/C6NR06575A

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