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In situ realization of asymmetric ratchet structures within microchannels by directionally guided light transmission
Won-Gyu Bae1, Sang Moon Kim, Se-Jin Choi
1School of Mechanical & Aerospace Engineering, Seoul National University, Seoul, 151-742, Republic of Korea; Interdisciplinary Program of Bioengineering, Seoul National University, Seoul, 151-742, Republic of Korea.
Advanced Materials (Deerfield Beach, Fla.)
|March 18, 2014
Abstract:
An asymmetric ratchet structure within microchannels is demonstrated by directionally guided light transmission for controlled liquid flow. A direct and facile method is presented to realize programmed asymmetric structures, which control the fluid direction and speed.

