Miniaturized optoelectronic tweezers controlled by GaN micro-pixel light emitting diode arrays
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Neale, Steven L.
Massoubre, David
McKendry, Jonathan
Rae, Bruce R.
Henderson, Robert K.
Rose, Mervyn J.
Yin, Huabing
Cooper, Jonathan M.
Gu, Erdan
Dawson, Martin D.
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Abstract
A novel, miniaturized optoelectronic tweezers (OET) system has been developed using a CMOS-controlled GaN micro-pixelated light emitting diode (LED) array as an integrated micro-light source. The micro-LED array offers spatio-temporal and intensity control of the emission pattern, enabling the creation of reconfigurable virtual electrodes to achieve OET. In order to analyse the mechanism responsible for particle manipulation in this OET system, the average particle velocity, electrical field and forces applied to the particles were characterized and simulated. The capability of this miniaturized OET system for manipulating and trapping multiple particles including polystyrene beads and live cells has been successfully demonstrated.
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Optics Express
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19
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3
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© 2011 OSA. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OE.19.002720. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Biological Sciences not elsewhere classified
Photonics, Optoelectronics and Optical Communications
Optical Physics
Electrical and Electronic Engineering
Communications Technologies