Microbial detection and enumeration apparatus

Chemistry: molecular biology and microbiology – Apparatus – Bioreactor

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204 1T, 204195B, 435 34, C12K 110

Patent

active

042004934

ABSTRACT:
The presence of microorganisms in a sample is determined by culturing microorganisms in a growth medium which is in contact with a measuring electrode and a reference electrode and detecting the change in potential between the electrodes which arises by the migration and accumulation of said microorganisms adjacent the surface of the measuring electrode thus forming a charge-charge interaction between said measuring electrode and accumulated microorganisms, by measuring the potential change with a high impedance potentiometer.

REFERENCES:
patent: 3403081 (1968-09-01), Rohrbach et al.

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