Sample Transport
Culture ☆ Chromogenic Result

Biomed InTray Listeria cultured media for L. monocytogenes, L. innocua diagnostics

InTray® COLOREX Listeria - Prepared Plated Culture Media

COLOREX™ Listeria and COLOREX ID Listeria, traditionally used in tandem, isolate and chromogenically differentiate colonies confirming the presence of Listeria monocytogenes. When used together, COLOREX Listeria provides initial differentiation and presumptive identification, while COLOREX ID Listeria provides confirmation of suspect L. monocytogenes colonies re-plated from COLOREX Listeria. Together they make preliminary detection and confirmation easy by producing distinct chromogenic differences with typical identifying characteristics, both macro and microscopically, within as little as 18-24 hours. Both devices inhibit the growth of mold, fungi, and other bacteria including E. coli and E. faecalis.

Specifications

Product Principle

Combine collection, culture, result and microscopic observation in one device.
Highly selective prepared media in a device designed for in-vitro specimen transport and incubation.
Rapid presumptive-positive diagnosis without re-plating. Intray can be placed directly on microscope stage
Fully enclosed cassette with Tyvek® air filtration prevents contamination and exposure, post-collection.

Simple Convenience

The InTray is designed for specimen collection/ inoculation at point-of-care
Saves time, material cost and waste, reducing exposure to collected sample
Place directly on the microscope tray for observation through the cassette’s clear anti-fog window
Selectively produces distinctive colony growth with typical identifiable morphology

Accurate Detection

Test Strain	ATCC #	Appearance
*L. monocytogenes*	19115	Blue with halo
*L. innocua*	33091	Blue with halo
E. faecalis	29212	Inhibited
E. coli	25922	Inhibited

Time to Result

18-24 hours, incubate at 37ºC.
If negative, incubate another 24 hours

Storage

Extended 6 month shelf life (2-8°C) from the date of manufacture
Can tolerate extended periods at controlled room temp (≤ 25˚C), with no loss in performance.

Specimen

Stool sample
Envrionmental sample

For research use only.

Some strains of L. lvanovii may also give blue colonies with white halos distinguished during identification. The species L. ivanovii is rarely found in food. Some strains of B. cereus can also grow as blue colonies. They can easily be distinguished from colonies of L. monocytogenes as they are much larger with an irregular edge to the colony and very large white halo.

Features and Benefits

Shelf-life and durability

Designed for long shelf life, durability and stackable for incubation, or 6 month storage.
No re-plate or wet mount
Once InTray is inoculated, no other culture preparation is required... saving time and cost.
Designed for specimen collection/inoculation at point-of-care, a fully enclosed system for transport, incubation, result and microscopic observation.
The sealed prepared media device is selectively formulated for accurate detection and identification of pathogens and non-pathogens
Visual chromogenic differentiation and/or selective production of distinctive colony growth with typical identifiable morphology

Key Features

Fully enclosed cassette with air filtration system
Nutritive culture colony growth medium, formulated for selectivity and specificity
Anaerobic or aerobic system available

You'll immediately experience a reduction in:

Time-to-result
Cost of laboratory materials
Medical waste
Risk of exposure or contamination

Instructions for Use

Biomed offers extensive product documentation for each of our products. If you would like to review these, please see the Product Documentation section in the upper right of this page.

If you would like to download the Instructions for Use (IFU) please click here ►