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A Small Molecule that Walks Non-Directionally Along a Track Without External Intervention

Authors

  • Dr. Araceli G. Campaña,

    1. School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
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  • Dr. Armando Carlone,

    1. School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
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  • Dr. Kai Chen,

    1. School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
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  • Dr. David T. F. Dryden,

    1. School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
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  • Prof. David A. Leigh,

    Corresponding author
    1. School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
    2. School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL (UK) http://www.catenane.net
    • School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
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  • Urszula Lewandowska,

    1. School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
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  • Dr. Kathleen M. Mullen

    1. School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh EH9 3 JJ (UK)
    2. Current address: Science and Engineering Faculty, Queensland University of Technology, GPO Box 2434, Brisbane, 4001 (Australia)
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  • We thank Prof. Richard Lawton (University of Michigan) for many useful discussions and the EPSRC National Mass Spectrometry Service Centre (Swansea (UK)) for high resolution mass spectrometry. This research was funded by the ERC. A.G.C. thanks the Fundación Ramón Areces (Spain) for a postdoctoral fellowship.

Abstract

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Auf molekularem Terrain: Ein Molekül kann ohne äußere Einwirkung entlang einer Pentaethylenimin-Bahn vor und zurück schreiten. Die eindimensionale Bewegung ist hoch prozessiv (mittlere Schrittzahl 530) und verläuft Schritt für Schritt zwischen benachbarten Amingruppen. Der Schreiter vollführt beim Schreiten eine einfache Aufgabe: Er löscht die Fluoreszenz einer Anthracengruppe, die an einem Ende der Bahn angebracht ist.

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