Device for recognition and differentiation of group D streptococ

Details Device for recognition and differentiation of group D streptococ Device for recognition and differentiation of group D streptococ

1977-04-27

1979-01-23

Wiseman, Thomas G.

Textiles: fiber preparation

1951035M, C12K 106, C12K 110

Patent

active

041359810

ABSTRACT:
Device for simultaneous recognition of group D streptococci and the differentiation of members of that group into enterococci and nonenterococci bacteria. Device comprises an elongated substantially cylindrical transparent tube having upper and lower chambers joined by a conduit having a smallest diameter smaller than either chamber. The upper chamber contains a semi-solid bile-esculin medium capable of indicating the presence of group D streptococci. The lower chamber contains a semi-solid enterococci distinguishing medium having a NaCl content of at least about 6.5%. Media in the two chambers are separated by a gas (e.g., air) within the conduit.

REFERENCES:
patent: 3830702 (1974-08-01), Beckford
patent: 3830703 (1974-08-01), Beckford
patent: 3832288 (1974-08-01), Rollender et al.
Blazevic et al., Principles of Biochemical Tests in Diagnostic Microbiology, John Wiley & Sons, New York, (1975), pp. 41-43, and 59-61.
Facklam, "Comparison of Several Laboratory Media for Presumptive Identification of Enterococci and Group D Streptococci," Applied Microbiology, vol. 26, No. 2, (1973), pp. 138-145.
Facklam, "Streptococci," Manual of Clinical Microbiology, 2nd ed., Chapter 8, Lennette et al. Ed., American Society for Microbiology, Washington, D.C., (1974), pp. 104-106.

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