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Lab Chip. 2009 Mar 7;9(5):704-8. doi: 10.1039/b811606g. Epub 2008 Nov 27.

Integration of a surface-directed microfluidic system with an organic electrochemical transistor array for multi-analyte biosensors.

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Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA.


We report the integration of organic electrochemical transistors with a surface-directed microfluidic system. The end product is a chip in which an analyte solution is distributed in four separate measurement reservoirs, each containing a transistor that uses the analyte as an integral part of its device structure. The use of a surface-directed microfluidic system enables the distribution of the analyte solution without the application of external pressure. The use of this chip in the detection of multiple analytes is demonstrated.

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