Microbial detection and enumeration method and apparatus

Details Microbial detection and enumeration method and apparatus Microbial detection and enumeration method and apparatus

1979-05-02

1981-01-20

Warden, Robert J.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving viable micro-organism

204195B, 204 1T, 435 34, 435 38, 435 39, 435291, 435817, C12Q 118

Patent

active

042463432

ABSTRACT:
The presence of microorganisms in a sample is determined by culturing micrganisms 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 electrodes 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), Rohrback et al.
patent: 4009078 (1977-02-01), Wilkins et al.

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