Less than an hour Total Time-To-Result Means Everything Has Changed

Now you can:

  • Conduct environmental monitoring for Listeria without enrichment
  • Perform corrective actions more quickly — fix the issue before it becomes a serious problem — clean and re-test
  • Conduct investigations in near real-time after positives
  • Perform vectoring more easily
  • Be more flexible and proactive with your environmental testing program

No enrichment with an easy-to-use system means you can conduct Listeria environmental testing in your facility without concern for “growing pathogens.”

“Culture-independent” method also means no exposure to trace-backs tied to retained cultures.


ANSR Listeria Right Now is a Complete System

System components: Item No. 9837

  • 16-well, isothermal polymerization instrument
  • ANSR Listeria Right Now detection software
  • Two (2) heater blocks

Each Assay Kit contains: Item No. 9873

  • 96 reaction tubes with internal positive control
  • 96 environmental sampling swabs
  • All necessary components

Simple and Easy to Use

  1. Swab surface
  2. Express swab in Eppendorf tube with lysis buffer
  3. Transfer solution to cluster tube and place in first heater block
  4. Transfer tubes to second heater block
  5. Transfer solution to reagent tubes, cap and place in reader. Hit “start”

Less than an hour? How is this possible?

The ANSR® Listeria Right Now system is able to detect very low numbers of Listeria spp., including L. monocytogenes, from environmental samples without enrichment. The system employs an isothermal, amplified nucleic acid-based reaction to target rRNA. Amplification occurs through a polymerization mechanism by a specific endonuclease. Detection occurs in real-time using a fluorescent, molecular beacon.

Ribosomal RNA is present in much greater numbers in Listeria cells than the traditional DNA target (~1000 – 10,000 copies per cell vs. 1 copy per cell for DNA). This can result in a 1,000 – 10,000 fold increase in target analyte concentration.

The isothermal reaction within the instrument produces a constant cycle of molecular replication producing analyte copies much more quickly than traditional PCR reactions which run through a series of heating and cooling cycles.

Summary: significantly more targets with a significantly faster cycle time = significantly faster results.

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