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. Author manuscript; available in PMC: 2014 Apr 23.
Published in final edited form as: Lab Chip. 2011 Jun 27;11(14):2319–2324. doi: 10.1039/c1lc20042a

Fig. 2.

Fig. 2

(a) Schematic of the experimental setup for monitoring the particle behavior in the vertical direction (y-direction): a 45° prism adjacent to the channel was used to bend the excitation/fluorescent light for observation of particle migration in the y-direction. Recorded side view fluorescent images (b) before and (c) after the SSAW was generated.