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Proceedings Paper

The dynamics of human sperm droplets on a liquid crystal and polymer composite film
Author(s): Farn Lu; Yi-Hsin Lin; Wan-Chen Tsai; Jiong-Juan Li; Ting-Yu Chu; Hsu-Kuan Hsu; Wang-Yang Li
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Paper Abstract

A switchable surface using a liquid crystal and polymer composite film (LCPCF) based on phase separation between liquid crystals (LC) and polymers after photopolymerization is developed recently. The wettability of LCPCF is electrically tunable because of the orientation of liquid crystal directors anchored among the polymer grains under an in-planed electric field. A water droplet on the top of LCPCF can be manipulated under an inhomogeneous electric field on the LCPCF owning to the wettability gradient. The dynamics of a droplet of human sperms on the LCPCF is demonstrated as well. Three motions of sperm droplets are observed: the droplet collapse and the droplet stretch,. We found that the dynamics, concentrations, and activities of spermatozoa, affect the motions of a sperm droplet. The potential applications of LCPCF are polarizer-free displays, liquid lenses, and the microfluidic device in assisted reproductive technology (ART)

Paper Details

Date Published: 12 February 2010
PDF: 7 pages
Proc. SPIE 7618, Emerging Liquid Crystal Technologies V, 761811 (12 February 2010); doi: 10.1117/12.840680
Show Author Affiliations
Farn Lu, Ton Yen General Hospital (Taiwan)
Yi-Hsin Lin, National Chiao Tung Univ. (Taiwan)
Wan-Chen Tsai, Ton Yen General Hospital (Taiwan)
Jiong-Juan Li, National Chiao Tung Univ. (Taiwan)
Ting-Yu Chu, National Chiao Tung Univ. (Taiwan)
Hsu-Kuan Hsu, Chi-Mei Optoelectronics Corp. (Taiwan)
Wang-Yang Li, Chi-Mei Optoelectronics Corp. (Taiwan)

Published in SPIE Proceedings Vol. 7618:
Emerging Liquid Crystal Technologies V
Liang-Chy Chien, Editor(s)

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