Journal
CHEMPHYSCHEM
Volume 14, Issue 3, Pages 471-481Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201200929
Keywords
asymmetric structures; bio-assays; chemical reactions; hydrophilic; hydrophobic patterns; microfluidics
Funding
- National Research Foundation of South Korea: World Class University Program [R31-10071]
- Molecular-level Interface Research Center [2012-0000909]
- Ministry of Health and Welfare [A120170]
- [2012-0006085]
- Korea Health Promotion Institute [A120110120001] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2009-0092222, 2009-0083525, R31-2012-000-10071-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This article is a brief overview of the emerging microfluidic systems called surface-tension-confined microfluidic (STCM) devices. STCM devices utilize surface energy that can control the movement of fluid droplets. Unlike conventional poly(dimethylsiloxane)-based microfluidics which confine the movement of fluids by three-dimensional (3D) microchannels, STCM systems provide two-dimensional (2D) platforms for microfluidics. A variety of STCM devices have been prepared by various micro-/nanofabrication strategies. Advantages of STCM devices over conventional microfluidics are significant reduction of energy consumption during device operation, facile introduction of fluids onto 2D microchannels without the use of a micropump, increased flow rate in a special type of STCM device, among others. Thus, STCM devices can be excellent alternatives for certain areas in microfluidics. In this Minireview, fabrication methods, operating modes, and applications of STCM devices are introduced.
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