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  Switchable reconfiguration of an interlocked DNA olympiadane nanostructure

Lu, C. H., Qi, X. J., Cecconello, A., Jester, S. S., Famulok, M., & Willner, I. (2014). Switchable reconfiguration of an interlocked DNA olympiadane nanostructure. Angewandte Chemie (International ed.in English), 53(29), 7499-503. doi:10.1002/anie.201403202.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-63E3-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-610C-6
Genre: Journal Article

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Lu, C. H., Author
Qi, X. J., Author
Cecconello, A., Author
Jester, S. S., Author
Famulok, M.1, Author
Willner, I., Author
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1External Organizations, ou_persistent22              

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 Abstract: Interlocked DNA rings (catenanes) are interesting reconfigurable nanostructures. The synthesis of catenanes with more than two rings is, however, hampered, owing to low yields of these systems. We report a new method for the synthesis of catenanes with a controlled number of rings in satisfactory yields. Our approach is exemplified by the synthesis of a five-ring DNA catenane that exists in four different configurations. By the use of nucleic acids as "fuels" and "antifuels", the cyclic reconfiguration of the system across four states is demonstrated. One of the states, olympiadane, corresponds to the symbol of the Olympic Games. The five-ring catenane was implemented as a mechanical scaffold for the reconfiguration of Au NPs. The advantages of DNA catenanes over supramolecular catenanes include the possibility of generating highly populated defined states and the feasibility of tethering nanoobjects to the catenanes, which act as a mechanical scaffold to reconfigure the nanoobjects.

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 Dates: 2014
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: Other: 24889855
DOI: 10.1002/anie.201403202
ISSN: 1521-3773 (Electronic)
ISSN: 1433-7851 (Linking)
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Title: Angewandte Chemie (International ed.in English)
  Alternative Title : Angew. Chem. Int. Ed. Engl.
Source Genre: Journal
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Pages: - Volume / Issue: 53 (29) Sequence Number: - Start / End Page: 7499 - 503 Identifier: -