| Photocontrolled manipulation of a microscale object: a rotational or translational mechanism. | |
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MedLine Citation:
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PMID: 21207567 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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In this paper the photocontrolled manipulation of solid materials on the surface of a liquid crystalline thin film is described. Three different types of films namely cholesteric liquid crystal (ChLC), compensated nematic liquid crystal (NLC) and nematic LC were used. The rotational and translational manipulation of the microscale solid object was induced by irradiation of light and mode of manipulation (either translational or rotational) was changed by changing the isomer of the azobenzene compound used to make the film. Rotational motion of the object was observed on the ChLC and compensated NLC films containing chirally pure azobenzene compound. The direction of rotational motion was controlled either by changing the optical isomer of the chiral azobenzene or by changing the irradiating light (from ultraviolet to visible). When racemic mixture of the chiral azobenzene compound was used, a translational motion of the object was observed. Even though the direction of the translational motion can be controlled by controlling irradiation position, more facile and precise manipulation of the objects was possible by spatially controlled irradiation of Ar(+) laser and diode UV laser. |
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Authors:
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Abu Kausar; Hiroto Nagano; Yutaka Kuwahara; Tomonari Ogata; Seiji Kurihara |
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Publication Detail:
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Type: Journal Article Date: 2010-11-12 |
Journal Detail:
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Title: Chemistry (Weinheim an der Bergstrasse, Germany) Volume: 17 ISSN: 1521-3765 ISO Abbreviation: Chemistry Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-05 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9513783 Medline TA: Chemistry Country: Germany |
Other Details:
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Languages: eng Pagination: 508-15 Citation Subset: - |
Copyright Information:
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Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
Affiliation:
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Department of Applied Chemistry and Bio-chemistry, Kumamoto University, 2-39-1 Kurokami, Kumamoto, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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