Engels W, Kamps MA, van Boven CP. Rapid and direct staphylocoagulase assay that uses a chromogenic substrate for identification of Staphylococcus aureus.
J Clin Microbiol 1981;
14:496-500. [PMID:
7309847 PMCID:
PMC273976 DOI:
10.1128/jcm.14.5.496-500.1981]
[Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
A rapid and direct assay of staphylocoagulase that uses chromogenic substrate Chromozym TH was developed for the routine identification of Staphylococcus aureus. False-positive and false-negative reactions were eliminated by measuring the activity of staphylocoagulase-prothrombin complex directly. The method was compared with three clotting assays. The results show that the new assay is specific, quantitative, and easily automated. If offers clinical laboratories a more reliable assay of staphylocoagulase and is a valuable aid for the rapid identification of S. aureus.
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