Istituto di Scienze Marine     
Pavanello G., Faimali M., Pittore M., Mollica A., Mollica A., Mollica A. Exploiting a new electrochemical sensor for biofilm monitoring and water treatment optimization. In: Water Research, vol. 45 (4) pp. 1651 - 1658. Elsevier, 2011.
Bacterial biofilm development is a serious problem in many fields, and the existing biofilm monitoring sensors often turn out to be inadequate. In this perspective, a new sensor (ALVIM) has been developed, exploiting the natural marine and freshwater biofilms electrochemical activity, proportional to surface covering. The results presented in this work,obtained testing the ALVIM system both in laboratory and in an industrial environment,show that the sensor gives a fast and accurate response to biofilm growth, and that this response can be used to optimize cleaning treatments inside pipelines. Compared to the existing biofilm sensors, the proposed system show significant technological innovations,higher sensitivity and precision.
DOI: 10.1016/j.watres.2010.12.003
Subject Biofilm monitoring, Biosensor, MIC prevention, Electrochemically active biofilm, Cathodic depolarization

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