Device and method for use in detecting microorganisms in a sampl

Details Device and method for use in detecting microorganisms in a sampl Device and method for use in detecting microorganisms in a sampl

1992-06-03

1994-11-22

Wityshyn, Michael G.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving viable micro-organism

435291, 435296, 435299, 435808, 435311, C12Q 104, C12M 134

Patent

active

053668731

ABSTRACT:
A new device and method to detect the presence of live microorganisms are described. The device employs a liquid phase which supports microbial growth by utilizing appropriate media. A secondary phase which consists of semi-liquid material forms a barrier layer through which only small particles can diffuse and which prevent the presence of any large particles. Noise-free optical measurements are carried out at the barrier layer which are indicative of metabolic changes associated with microbial growth.

REFERENCES:
patent: 2992974 (1961-07-01), Belcove et al.
patent: 3756920 (1973-09-01), Kelbaugh et al.
patent: 3990849 (1976-11-01), Lee et al.
patent: 4945060 (1990-07-01), Turner et al.
patent: 5155019 (1992-10-01), Sussman et al.

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