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Environmental L. mono Test

InSite L. mono Glo is an easy-to-use, self-contained, environmental sampling and screening test for Listeria species and Listeria monocytogenes (L. mono). Each device contains a chromogenic liquid media formulated with antibiotics, growth enhancers, and color-changing compounds specific to Listeria plus fluorescent compounds specific to Listeria monocytogenes. The two-step test changes color in the presence of Listeria species, while illumination with UV light reveals the presence of L. mono.


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Test in-house, save valuable time.

InSite L. mono Glo complements your lab testing with quick on-site screening results in just 24-48 hours. Eliminate the lengthy wait time for outside lab results and get ahead of contamination issues. Contact us for a quote!

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Easy-to-interpret color results.

It doesn't take a microbiologist to understand these results. When Listeria species is present in a sample, the liquid media changes color from amber to black. If pathogenic Listeria, like L. mono, is present, the media will glow green when UV light is shined on it. 


 Insite L. Mono Glo Results Chart July2019


No more unnecessary work. 

Cut back on labor and materials. This all-in-one test utilizes a large foam sampler for maximum sample collection that eliminates the need for additional sponges, diluents, bags, and pipettes. The only equipment you'll need is an incubator


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  • Delivers results in 24-48 hours
  • Cost-effective test
  • Self-contained reagent- no transfers minimizing the chance of contamination
  • The color-changing device is easy to interpret
  • The only equipment required is a 37°C ± 1° incubator - reduces materials and labor


  • Snap-Valve™ technology - snap & squeeze
  • Large 2.5-inch foam swab for maximum sample pickup
  • Write-on swab label for easy sample identification
  • Presumptive positive results are available for the most common Listeria spp in as little as 24 hours at levels as low as 1-10 CFU/mL
    • Presumptive positive samples should be confirmed by an alternative method such as PCR, lateral flow, or traditional bacteriology methods. Any confirmatory results should be handled according to appropriate regulations. 
  • Compared to UVM and BLEB, provides superior/equivalent recovery and faster detection of as low as 10-50 heat-injured Listeria monocytogenes/mL within ~24-48 hours of incubation.

Catalog No.

Catalog No. Description


ILM050 InSite L. mono Glo Test 50

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