Electrochemical principles of active control of liquids on submillimeter scales

Science

Volumn 283, Issue 5398, 1999, Pages 57-60

  Gallardo, Benedict S ^a   Gupta, Vinay K ^a,b   Eagerton, Franklin D ^a   Jong, Lana I ^a,c   Craig, Vincent S ^a   Shah, Rahul R ^a,c   Abbott, Nicholas L ^a,c  

^a University of California   (United States)

^b UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^c University of Wisconsin Madison   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DROP FORMATION; ELECTROCHEMICAL ELECTRODES; ELECTROCHEMISTRY; FILMS; FLOW OF FLUIDS; MOLECULES; OSMOSIS; REDOX REACTIONS; SOLIDS; SURFACE ACTIVE AGENTS; SURFACE TENSION; SURFACES;

ACTIVE CONTROL; AQUEOUS FILMS; ORGANIC LIQUIDS; OSMOTIC SWELLING; SOLID MICROPARTICLES; SPATIAL GRADIENTS; SUBMILLIMETER SCALES;

LIQUIDS;

ARTICLE; ELECTROCHEMISTRY; LIQUID; MOTION; PARTICLE SIZE; PRIORITY JOURNAL; SURFACE TENSION;

EID: 0032902347     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.283.5398.57     Document Type: Article

References (42)

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22. Whereas the columns of liquid shown in Fig. 3 were permanent, the arrays of square droplets shown in Fig. 4 persisted for ∼1 min before respreading across the electrodes. Unlike the columns, the square droplets become electrically isolated from the counter electrode after formation. Electrical contact with droplets could, however, be maintained by patterning counter electrodes on surfaces. Arrays of droplets formed in this way would be permanent, as evidenced by the permanency of the liquid columns.
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42. Partial support of this work was provided by the Camille and Henry Dreyfus Foundation, the David and Lucile Packard Foundation, the Donors of the Petroleum Research Fund, and the NSF (grants CTS-9410147 and CTS-9502263) and Office of Naval Research (PECASE award to N.L.A.). We thank A. Knoesen for helpful comments.