Biocompatible DC-microelectrode array

A new kind of microelectrode array is presented that uses an arrangement of microfluidic channels filled with an electrolyte solution as electrodes. This allows for the spatially resolved, long term application of direct currents to cells in a culture medium on the chip. A crucial task in the production of the chip is the integration of a nanoporous polymer membrane that acts as a basis for cell adhesion and as a support for the layer that contains the microelectrode openings.