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자연과학대학
화학·나노과학전공
Journal papers
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Programmable manipulation of motile cells in optoelectronic tweezers using a grayscale image
Title
Programmable manipulation of motile cells in optoelectronic tweezers using a grayscale image
Authors
Choi W.
;
Nam S.-W.
;
Hwang H.
;
Park S.
;
Park J.-K.
Ewha Authors
박성수
SCOPUS Author ID
박성수
Issue Date
2008
Journal Title
Applied Physics Letters
ISSN
0003-6951
Citation
Applied Physics Letters vol. 93, no. 14
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
This paper describes a grayscale optoelectronic tweezers (OET) which allows adjustment of the electric field strength at each position of OET. A grayscale light image was used to pattern vertical electric field strength on an OET. As an electric field depends on the brightness at each point, the brighter light patterns generate the stronger electric field in the OET. Its feasibility for application to cell manipulation was demonstrated by aligning highly motile protozoan cells in vertical direction. Depending on the brightness of each pixel, the behaviors of aligned cells varied due to the different electric field strength to each cell. © 2008 American Institute of Physics.
DOI
10.1063/1.2996277
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