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MONITORING BIOFILM GROWTH AND ACTIVITY USING A SCALABLE MULTICHANNEL ELECTROCHEMICAL BIOSENSOR

In this work we report on a multichannel biofilm monitoring platform that can monitor the growth and activity of a biofilm. This was possible by combining an electrochemical impedance spectroscopy (EIS) biosensor with a fuel cell activity sensor. We have previously shown an electrochemical sensor platform which was able to measure biofilm growth. This paper describes an improved system which can also monitor the biofilm activity. This additional information will enable the discrimination of dead from living biomass.