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Ionic Transport Through Single Solid-State Nanopores Controlled with Thermally Nanoactuated Macromolecular Gates

Yameen, Basit ; Ali, Mubarak ; Neumann, Reinhard ; Ensinger, Wolfgang ; Knoll, Wolfgang ; Azzaroni, Omar :
Ionic Transport Through Single Solid-State Nanopores Controlled with Thermally Nanoactuated Macromolecular Gates.
[Online-Edition: http://dx.doi.org/10.1002/smll.200801318]
In: Small, 5 (11) pp. 1287-1291.
[Artikel], (2009)

Offizielle URL: http://dx.doi.org/10.1002/smll.200801318

Kurzbeschreibung (Abstract)

Single solid-state nanopores modified with poly-N-isopropylacrylamide (NIPAM) brushes display thermally controlled gating properties. Below the lower critical solubility temperature (LCST) NIPAM brushes are swollen and, consequently, dramatically reduce the effective cross section of the nanopores (see image). Conversely, above the LCST the brushes dehydrate and suffer a transition into a collapsed state, which promotes the widening of the nanopore and enables a substantial flow of ions.

Typ des Eintrags: Artikel
Erschienen: 2009
Autor(en): Yameen, Basit ; Ali, Mubarak ; Neumann, Reinhard ; Ensinger, Wolfgang ; Knoll, Wolfgang ; Azzaroni, Omar
Titel: Ionic Transport Through Single Solid-State Nanopores Controlled with Thermally Nanoactuated Macromolecular Gates
Sprache: Englisch
Kurzbeschreibung (Abstract):

Single solid-state nanopores modified with poly-N-isopropylacrylamide (NIPAM) brushes display thermally controlled gating properties. Below the lower critical solubility temperature (LCST) NIPAM brushes are swollen and, consequently, dramatically reduce the effective cross section of the nanopores (see image). Conversely, above the LCST the brushes dehydrate and suffer a transition into a collapsed state, which promotes the widening of the nanopore and enables a substantial flow of ions.

Titel der Zeitschrift, Zeitung oder Schriftenreihe: Small
Band: 5
(Heft-)Nummer: 11
Verlag: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Freie Schlagworte: ion channels; membranes; molecular devices; nanotechnology; polymers
Fachbereich(e)/-gebiet(e): Fachbereich Material- und Geowissenschaften > Materialwissenschaften > Materialanalytik
Fachbereich Material- und Geowissenschaften > Materialwissenschaften
Fachbereich Material- und Geowissenschaften
Hinterlegungsdatum: 15 Jul 2009 12:49
Offizielle URL: http://dx.doi.org/10.1002/smll.200801318
Sponsoren: Funded by Higher Education Commission (HEC) of Pakistan, Funded by Max Planck Society (Germany), Funded by Alexander von Humboldt Stiftung (Germany), Funded by Centro Interdisciplinario de Nanociencia y Nanotecnología (CINN) (ANPCyT—Argentina)
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