A microfluidic device for the automated electrical readout of low-density glass-slide microarrays

In this work an automated and reusable electrical readout system for low-cost glass slide microarrays is described. The system, which enabled the simultaneous conductimetric detection of up to 36 biorecognition events, comprises an array of interdigitated electrode transducers and a polydimethylsiloxane microfluidic structure, aligned over it.
The impedimetric system shows similar sensitivity to that of fluorescence scanners.
Biosensors and Bioelectronics 74 (2015) 698–704.