Exploiting a new electrochemical sensor for biofilm monitoring and water treatment optimization |
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Authors: | Pavanello Giovanni Faimali Marco Pittore Massimiliano Mollica Angelo Mollica Alessandro Mollica Alfonso |
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Affiliation: | a Istituto di Scienze Marine - Consiglio Nazionale delle Ricerche (ISMAR-CNR), via De Marini 6, 16149 Genova, Italy b e-magine IT Srl, via Greto di Cornigliano 6r, 16152 Genova, Italy c Newlab Snc, via Greto di Cornigliano 6r, 16152 Genova, Italy |
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Abstract: | 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. |
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Keywords: | Biofilm monitoring Biosensor MIC prevention Electrochemically active biofilm Cathodic depolarization |
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