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. Author manuscript; available in PMC: 2012 Dec 15.
Published in final edited form as: Sens Actuators B Chem. 2011 Dec 15;160(1):1529–1535. doi: 10.1016/j.snb.2011.08.012

Fig. 1.

Fig. 1

(a) Microfluidic immunoassay cassette loaded with colored dyes representing the various reagents. (b) Depressible air pouches actuate the on-board fluid as indicated in the cross-section schematics of a pouch compartment (top: pre-actuation and bottom: post-actuation).