Non-destructive surface sampler

Details Non-destructive surface sampler Non-destructive surface sampler

1995-11-29

1996-09-10

Redding, David A.

Chemistry: molecular biology and microbiology

Apparatus

Inoculator, streaker, or sampler

435 30, C12M 126

Patent

active

055545378

ABSTRACT:
A sampler for determining the microbiological safety or hygienic quality of surfaces comprising a scrubber-retainer which comprises a compressible liquid absorbing elastic element for scrubbing a test surface and releasably retaining a liquid, and a surrounding chamber to confine a region around the scrubber-retainer against the sample surface. The sampler includes a drive mechanism for moving the scrubber-retainer to scrub the test surface and release analytes from the test surface, and alternately compressing and decompressing the compressible material to allow liquid to be alternately released and absorbed, respectively, to produce a suspension of the released analytes.

REFERENCES:
patent: 4281066 (1981-07-01), Thran et al.
patent: 4945921 (1990-08-01), Okimoto

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