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Dye-coupled electrode system for the rapid determination of cell populations in polluted water
Applied and Environmental Microbiology
We determined cell populations in polluted waters by using a fuel cell-type electrode. The electrode was constructed from a platinum anode, a silver peroxide cathode, and a membrane filter for retaining microorganisms. The principle of cell number determination is based on sensing a redox dye reduced by the microorganisms with the electrode. Sample solutions containing microorganisms were membrane filtered, and the resulting filter containing microbial cells was attached to the surface of adoi:10.1128/aem.43.4.814-818.1982 fatcat:tioioddwhbcvtc6dqeqaqkfexy