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Controlling Liquid Drops with Texture Ratchets
Author(s) -
Duncombe Todd A.,
Erdem E. Yegân,
Shastry Ashutosh,
Baskaran Rajashree,
Böhringer Karl F.
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201104446
Subject(s) - materials science , microfluidics , drop (telecommunication) , texture (cosmology) , vibration , nanotechnology , liquid drop , phase (matter) , mechanics , composite material , mechanical engineering , acoustics , physics , quantum mechanics , artificial intelligence , computer science , engineering , image (mathematics)
Controlled vibration selectively propels multiple microliter‐sized drops along microstructured tracks, leading to simple microfluidic systems that rectify oscillations of the three‐phase contact line into asymmetric pinning forces that propel each drop in the direction of higher pinning.