Journal
LAB ON A CHIP
Volume 9, Issue 12, Pages 1676-1680Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b901999e
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Funding
- National Science Foundation [CMMI 0328162]
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This paper reports the design, fabrication and validation of a microfluidic well plate for combinatorial screening applications. Each well within the array is comprised of two 200 picoliter compartments that each contain a photonic crystal biosensor to enable the on-chip, in situ detection of (bio-) molecular binding events. This microfluidic chip utilizes arrays of Actuate-to-Open valves to isolate all compartments, which allows the chip to be decoupled from pneumatic control lines and thus to be transported freely between filling, sensing and characterization platforms. A proof-of-principle 4 x 4 protein/antibody binding assay was performed to demonstrate the discrete mixing and on-chip sensing capabilities.
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