Multi-layer microorganism culture testing apparatus

Details Multi-layer microorganism culture testing apparatus Multi-layer microorganism culture testing apparatus

1982-09-10

1984-11-27

Jones, Raymond

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving viable micro-organism

435 34, 435298, C12M 122, C12Q 124, C12Q 104

Patent

active

044851715

ABSTRACT:
A pad assembly for use in a microorganism culture test is provided which comprises, in sterile conditions, a water-absorbing pad which is impregnated with a culture medium for culturing given microorganisms and dried, a filter member bonded to the upper surface of said water absorbing pad and having submicron pores of a size capable of substantially preventing the microorganisms from passing therethrough, and a coating of an antibiotic deactivating agent applied to the upper surface of said filter member or to the common surface between said filter member and said water-absorbing pad, as well as testing apparatus having the pad assembly mounted in a vessel. The invention eliminates the adverse effect of antibiotics in a sample to be tested which will otherwise inhibit the growth of microorganisms in the sample to adversely alter test results.

REFERENCES:
patent: 2677646 (1952-03-01), Lovell et al.
patent: 2761813 (1956-09-01), Goetz
patent: 2923669 (1954-11-01), Poitras
patent: 3741877 (1970-05-01), Shaufus et al.
patent: 4250256 (1981-02-01), Wielinger et al.

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