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. 1989 Nov;27(11):2420–2422. doi: 10.1128/jcm.27.11.2420-2422.1989

Evaluation of the updated QUANTUM II system for the identification of gram-negative bacilli.

D L Rhoden 1, C M O'Hara 1
PMCID: PMC267048  PMID: 2808665

Abstract

The QUANTUM II system (Abbott Diagnostics, Irving, Tex.) was evaluated with 65 species of gram-negative bacilli from various culture collections at the Centers for Disease Control. The QUANTUM II system accurately identified 92.5% of 335 isolates tested, as follows: 92.6% of 258 members of the family Enterobacteriaceae, 92.7% of 55 nonfermenters, and 91% of 22 oxidase-positive fermenters. These results were obtained by using the additional biochemical and serologic tests recommended by the manufacturers of the QUANTUM II system. The 25 misidentified cultures generally belonged to newly recognized genera, atypical strains, or slower-growing strains of more widely known genera. The system identified the most commonly encountered organisms at an accuracy of greater than or equal to 95%. The system is efficient, accurate, and rapid.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Farmer J. J., 3rd, Davis B. R., Hickman-Brenner F. W., McWhorter A., Huntley-Carter G. P., Asbury M. A., Riddle C., Wathen-Grady H. G., Elias C., Fanning G. R. Biochemical identification of new species and biogroups of Enterobacteriaceae isolated from clinical specimens. J Clin Microbiol. 1985 Jan;21(1):46–76. doi: 10.1128/jcm.21.1.46-76.1985. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Farmer J. J., 3rd, Fanning G. R., Davis B. R., O'Hara C. M., Riddle C., Hickman-Brenner F. W., Asbury M. A., Lowery V. A., 3rd, Brenner D. J. Escherichia fergusonii and Enterobacter taylorae, two new species of Enterobacteriaceae isolated from clinical specimens. J Clin Microbiol. 1985 Jan;21(1):77–81. doi: 10.1128/jcm.21.1.77-81.1985. [DOI] [PMC free article] [PubMed] [Google Scholar]

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