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Schematic representation of the experimental system. Bacterial communities are cultured in a tank vessel. A peristaltic pump is pumping the culture media through a filtration cartridge made of silica beads. The beads are entrapping E. coli cells that overproduced an engineered quorum quenching lactonase. As the system operates, the N-acyl homoserine lactone molecules (AHLs) produced by cultured bacteria are enzymatically degraded by the filtration cartridge.
