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Reduction of nonspecific surface-particle interactions in optoelectronic tweezers
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10.1063/1.2834901
/content/aip/journal/apl/92/2/10.1063/1.2834901
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2834901
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Particle adsorption in typical OET. An isotropic DEP force is induced from the light-activated virtual electrodes. As a result, the particle becomes adsorbed to the surface of ground layer by nonspecific surface-particle interactions.

Image of FIG. 2.
FIG. 2.

Schematic diagram of (a) OET and (b) 3D OET. The electric field profiles in the liquid chamber, when at was applied, are also represented. In the OET device, microparticles which follow negative DEP would be moved upward and adsorbed to the surface of ground layer. In the 3D OET, the microparticles would be focused onto the middle of the liquid chamber free of the nonspecific surface-particle interactions.

Image of FIG. 3.
FIG. 3.

(a) Percentage of adsorbed particles and (b) velocity of moving particles according to their diameters in the OET and 3D OET devices. The gap height of liquid chamber was and the ac signal in the condition of at was applied. The maximum velocities were measured as moving the target particles with a LCD image as fast as possible.

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/content/aip/journal/apl/92/2/10.1063/1.2834901
2008-01-16
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Reduction of nonspecific surface-particle interactions in optoelectronic tweezers
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2834901
10.1063/1.2834901
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