Detecting biological activities in culture vials

Details Detecting biological activities in culture vials Detecting biological activities in culture vials

1993-04-26

1994-12-06

Czaja, Donald E.

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

435296, 435808, 356318, 2504612, C12M 134, G01J 3433

Patent

active

053710169

ABSTRACT:
An apparatus for detecting microorganisms in a plurality of sealable containers adapted to sustain microorganism growth includes a single light source such as a laser with a two-dimensional laser deflector directing an output beam component from the laser serially towards each of the containers. A sensor is spread along an inner surface of the containers. The selective emission of a sensor is monitored to determine whether biological activity is present in a container. A disclosed embodiment includes the use of a high-frequency modulator and decay time sensors. Biological activity is determined by monitoring the decay time of the sensors.

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