| Artificial Redox-Driven Directionally Controlled Switches as a Basis for Redox-Driven Molecular Motors. | |
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MedLine Citation:
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PMID: 23146097 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Significance: This review relates to artificial redox-driven molecular devices. The advantages of using very simple chemical building blocks for the bottom-up design of nano-leveled functional motors and the importance of the unidirectionality of a switching process for the development of redox-driven molecular motors are discussed. Furthermore, the crucial difference between artificial molecular switches and motors is explained. Recent Advances: This review discusses few selected examples of redox-driven devices exhibiting partially complex coupled movement sequences, which, however, due to the lack of an overall directionally controlled movement, are not able to perform mechanical work on a molecular scale. Recent examples for redox-driven devices with at least one directionally controlled switching process as well as the proof for the unidirectionality of the switching process are presented. Critical Issues: The challenge in designing directionally controlled switches is the fact that during the switching process a configuration (or conformation) must be changed reversibly. This crucial process can be a flip caused by the change of the coordination sphere of a metal ion, a rotation around a C-C single bond or around a C-C double bond. Future Directions: For future developments, we suggest designing artificial redox-based molecular motors in which the motion process of the presented directionally controlled switches are coupled with another switchable unit. The latter could also be switchable in a non-directed way. |
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Authors:
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Gebhard Haberhauer; Christina Tepper |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-12 |
Journal Detail:
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Title: Antioxidants & redox signaling Volume: - ISSN: 1557-7716 ISO Abbreviation: Antioxid. Redox Signal. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100888899 Medline TA: Antioxid Redox Signal Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Institut für Organische Chemie, Universität Duisburg-Essen, Universitätsstraße 7, Essen, Germany, 45117; gebhard.haberhauer@uni-due.de. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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