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ACS Appl Mater Interfaces. 2013 Jun 12;5(11):4544-8. doi: 10.1021/am400162h. Epub 2013 Apr 8.

Polythiophene biosensor for rapid detection of microbial particles in water.

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Département de chimie, Faculté des sciences et de génie, Université Laval, Québec City, Québec, Canada.


Most microbial particles have a negatively charged surface and in this work, we describe a water quality monitoring application of a cationic polythiophene derivative (AH-35) for the rapid assessment of microbial contamination of water. Using E. coli as a prototype microbial particle, we demonstrate that the AH-35 polymer can provide a qualitative assessment of water if exposed to more than 500 CFU/mL, thereby paving the way to a new family of biosensors potentially useful for monitoring drinking water distribution systems.

[Indexed for MEDLINE]

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