Method and apparatus for microbiological testing of liquids

Details Method and apparatus for microbiological testing of liquids Method and apparatus for microbiological testing of liquids

1985-01-15

1988-10-11

Warden, Robert J.

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

435311, 435292, 435 34, 210244, 210476, 210477, 21032184, C12M 116, C12M 112, C12M 126, C12Q 104

Patent

active

047771372

ABSTRACT:
Method and apparatus for the microbiological testing of liquids to identify and count living microorganisms contained therein includes a tubular sleeve for collecting the liquid sample to which there is attached at one end a microporous membrane filter. Each end of the sleeve has the shape of a female receptacle portion where into one end a container housing a culture medium can be nested by force for applying the medium to the underside of the filter and where into the other end a cover can be nested to provide a substantially tight sealing of the device. Preferably, the tubular sleeve is in the form of a bellows the convolutions of which can be either compressed or expanded to correspondingly alter the volume of the sleeve between minimum and maximum values.

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patent: 4351900 (1982-09-01), Lemonnier
patent: 4441996 (1984-04-01), Hurst
patent: 4526752 (1985-07-01), Perlman et al.
patent: 4650662 (1987-03-01), Goldfinger et al.

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