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.