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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Microfluid Nanofluidics. 2010 Aug 1;9(2-3):253–265. doi: 10.1007/s10404-009-0543-1

Fig. 3.

Fig. 3

a Conceptual rendering of the bead injection region. The wall between the two inlets ensures that the beads always enter the main channel from the same point. b Composite micrograph of a bead entering the main channel and being pulled against the sidewall in the antigen stream. c Composite micrograph of a bead transferring from incubation stage 1 to stage 2