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Size-variable droplet actuation by interdigitated electrowetting electrode
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10.1063/1.4769433
/content/aip/journal/apl/101/23/10.1063/1.4769433
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/23/10.1063/1.4769433
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

EWOD electrode with rectangular fingers for size-variable droplet actuation.

Image of FIG. 2.
FIG. 2.

Theoretical calculation of droplets velocity affected by finger width and droplet diameter.

Image of FIG. 3.
FIG. 3.

Schematics of parallel plate EWOD device configuration with the EWOD electrode proposed.

Image of FIG. 4.
FIG. 4.

Different volumes of droplets transported from left to right under same driving signal in a parallel-plate EWOD device with rectangular interdigitated fingers: (a) 27 nl, (b) 57 nl, (c) 90 nl, and (d) 190 nl.

Image of FIG. 5.
FIG. 5.

Driving velocity affected by (a) rectangular fingers width and (b) diameter of droplets under different drive voltages.

Image of FIG. 6.
FIG. 6.

(a) EWOD electrode with triangle fingers for size-variable droplet actuation, (b) the mechanics demonstration of small droplet actuated by large triangle fingers.

Image of FIG. 7.
FIG. 7.

Different volumes of droplets transported from left to right under same driving signal in a parallel-plate electrowetting device with triangle interdigitated fingers: (a) 15 nl, (b) 90 nl, and (c) 180 nl.21

Image of FIG. 8.
FIG. 8.

Voltage-dependent velocity indicating faster transporting of electrode with triangle fingers than that with rectangular fingers for droplets in relatively large size.

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/content/aip/journal/apl/101/23/10.1063/1.4769433
2012-12-05
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size-variable droplet actuation by interdigitated electrowetting electrode
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/23/10.1063/1.4769433
10.1063/1.4769433
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