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Capillary kinetics of water in homogeneous, hydrophilic polymeric micro- to nanochannels

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Authors
Jeong, Hoon Eui; Kim, Pilnam; Kwak, Moon Kyoo; Seo, Chang Ho; Suh, Kahp Y.
Issue Date
2007-05
Publisher
Wiley-Blackwell
Citation
Small 2007, 3, 778
Keywords
POLY ETHYLENE-GLYCOLMICROFLUIDIC SYSTEMSPOLY(DIMETHYLSILOXANE)DEVICESCHIPFLOWELECTROPHORESISFLUORESCENCE
Abstract
Going with the flow: Homogenous, hydrophilic micro- to nanochannels of poly(ethylene glycol) (PEG) were fabricated by direct molding and UV-assisted bonding. By using these channels, the capillary kinetics of water was measured for potential pumpless, high-speed analytical tools. It was found that the capillary-filling speed inside a PEG channel (see fluorescence image) was two or three orders of magnitude higher than that inside a hydrophobic polydimethylsiloxane channel supported on a glass substrate.
ISSN
1613-6810
Language
English
URI
http://hdl.handle.net/10371/8380
DOI
https://doi.org/10.1002/smll.200600666
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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