New Addition to BioLumix’s Rapid Automated System
The BioLumix simplified rapid automated platform allows for all of your microbiology needs to be met with one automated system on a single platform. Our product line has expanded with the NEW Listeria Vial. The BioLumix simplified rapid automated platform allows for all of your microbiology needs to be met with one automated system. Total Aerobic Count, Yeast and Molds, Enterobacteriaceae, and the objectionable organisms (Salmonella, E. coli, Staphylococcus aureus, and Pseudomonas aeruginosa), as well as, environmental testing can all be done with the BioLumix system. The system is fully automated including archiving of data, data maintenance and report generation, and it can be used to create a paperless laboratory. The system is unaffected by product interference and delivers accurate results. The assays are simpler to perform than the standard method saving time, labor, and money.
The newest addition to its rapid microbiology line is a Listeria assay. The Listeria vial capitalizes on the ability of Listeria to hydrolyze esculin, which in the presence of ferric ions, results in the yellow broth turning black and a reduction of the absorbance. This result is due to the complexation of the ferric iron with esculetin (6,7-dihydroxycoumarin), the product of esculin cleavage by β-D-glucosidase, resulting in a black precipitate. Examples of Listeria vials containing the presence (left) and absence (right) of Listeria is shown in the Figure. The assay showed good correlation with the standard method. The inclusivity of the assay was tested with eleven Listeria strains. All eleven Listeria strains were detected in the BioLumix system. Thirty-nine non-Listeria (11 Gram-negative and 28 Gram-positive) bacterial strains were tested for exclusion from detection in the Listeria assay. None of the non-Listeria organisms were detected. Read about the new method for rapid environmental testing for Listeria.
For full details describing the Listeria assay please visit: www.mybiolumix.com/listeria
Tags: Listeria, Environmental Monitoring
Date Published: May 23, 2014
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