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Issue 18, 2016
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Supramolecular 1-D polymerization of DNA origami through a dynamic process at the 2-dimensionally confined air–water interface

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Abstract

In this study, a Langmuir–Blodgett (LB) system has been utilized for the regulation of polymerization of a DNA origami structure at the air–water interface as a two-dimensionally confined medium, which enables dynamic condensation of DNA origami units through variation of the film area at the macroscopic level (ca. 10–100 cm2). DNA origami sheets were conjugated with a cationic lipid (dioctadecyldimethylammonium bromide, 2C18N+) by electrostatic interaction and the corresponding LB-film was prepared. By applying dynamic pressure variation through compression–expansion processes, the lipid-modified DNA origami sheets underwent anisotropic polymerization forming a one-dimensionally assembled belt-shaped structure of a high aspect ratio although the thickness of the polymerized DNA origami was maintained at the unimolecular level. This approach opens up a new field of mechanical induction of the self-assembly of DNA origami structures.

Graphical abstract: Supramolecular 1-D polymerization of DNA origami through a dynamic process at the 2-dimensionally confined air–water interface

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Article information


Submitted
08 Mar 2016
Accepted
06 Apr 2016
First published
06 Apr 2016

Phys. Chem. Chem. Phys., 2016,18, 12576-12581
Article type
Paper

Supramolecular 1-D polymerization of DNA origami through a dynamic process at the 2-dimensionally confined air–water interface

Y. Yonamine, K. Cervantes-Salguero, K. Minami, I. Kawamata, W. Nakanishi, J. P. Hill, S. Murata and K. Ariga, Phys. Chem. Chem. Phys., 2016, 18, 12576
DOI: 10.1039/C6CP01586G

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