Microfluidic system for planar patch clamp electrode arrays.

Li, Xiaohui; Klemic, Kathryn G; Reed, Mark A; Sigworth, Fred J · Nano Lett · 2006

basic_science · Level V

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Abstract

We present a microfluidic system integrated with disposable cell interface partitions for simultaneous patch clamp recordings. Glass-supported poly(dimethylsiloxane) (PDMS) partitions, having a 2 microm air-blown aperture, were reversibly sealed to a microfluidic system including PDMS channels with isolation valves and microfabricated Ag/AgCl electrodes. Gigaseal recordings from RBL-1 cells were obtained with a 24% success rate. Simultaneous whole cell recordings from valve-isolated electrodes were obtained.

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