Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving viable micro-organism
Patent
1987-09-09
1989-10-03
Chapman, John
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving viable micro-organism
435 34, 435294, C12Q 124
Patent
active
048716626
ABSTRACT:
The device, which is a multi-element tube, is adapted for receiving a water sample into a first chamber. The sample is then caused to pass through a relatively coarse filter into a second chamber, where the sample contacts a relatively fine second filter on which a portion of the sample is retained. A stabilizing agent is added to the second filter so that the sample is maintained for later testing. The device can then be sent, at ambient temperatures, intact and in a sterile, sealed condition, via common carrier to a central laboratory, where the portion of the second filter is removed for testing. Thus, the present device is a simple to use and inexpensive means for conducting microbiological testing of samples from remote sites. It eliminates the need for laboratory personnel to take and filter and/or take and chill and filter a sample at the site of testing and for mobile laboratory testing facilities, or alternatively, the need for special express shipping arrangements for liquid unfiltered water samples.
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Chapman John
Raevis Robert R.
WaterTest Corporation
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