Ensure the safety of your products with rapid and robust contract microbial testing services

The Invisible Sentinel Laboratory Services advantage

Invisible Sentinel Laboratory Services, conducted in our ISO and A2LA (Certificate No. 3828.01) accredited lab, can streamline quality monitoring for food and beverage processors across a wide range of products. Our proprietary AOAC certified molecular testing methods have been adopted by global food and beverage processors to improve accuracy and drive down testing costs. The Veriflow system, using our proprietary DNA Signature Capturing Technology, allows for unsurpassed rapid turn-around time. Our Laboratory Services clients benefit from rapid, accurate, cost-effective and actionable test results – to find issues early, take corrective action and prevent large-scale contamination.

Assurance of quality

Our expertise in molecular science and detection technology, supported by a robust quality monitoring and audit process, assure that our clients receive accurate test results every time. Testing services are performed in our dedicated A2LA (Certificate No. 3828.01) accredited lab, in which we adhere to strict operating procedures, technician training, equipment calibration, and environmental monitoring.

Unmatched specificity and sensitivity of the Veriflow platform

  • Broad inclusivity with 100% detection rate demonstrated in AOAC validation, internal studies, and partner customer validation studies
  • Correctly excludes non-applicable strains
  • Target amplification of specific gene markers in each assay
  • Robust detection in both simple and challenging matrices such as nutraceuticals, poultry carcass rinsates, nut butters, confectionary, juices, and beer and wine

Invisible Sentinel Laboratory Services - range of testing services available

Invisible Sentinel’s Scope of Accreditation extends to a broad number of test methods and target analytics.

Food/Beverage safety and quality testing services

Turn-around time to results is NEXT DAY from sample receipt using Veriflow DNA Signature Capturing technology test methods. Sample size includes 25, 125, or 375 gram product samples, as well as environmental swabs.


Assay License
Salmonella species AOAC 011404
Listeria monocytogenes AOAC 051304
Listeria species AOAC 121302
Campylobacter AOAC 101201
E.coli O157:H7 AOAC 121401
Listeria confectionary AOAC 051304
Salmonella peanut butter AOAC 011404
Shiga toxin-producing Escherichia coli AOAC 111601
Salmonella spice AOAC 011404


Assay Target Organism
vinoBRETT Brettanomyces bruxellensis
vinoPAL Pediococcus and Lactobacillus
brewPAL Pediococcus and Lactobacillus
brewDEK Brettanomyces/ Dekkera species:
B. bruxellensis, B. anomala,
B. naardenensis, B. custersiana
brewBRUX Brettanomyces/ Dekkera bruxellensis
brewMAP Megasphaera and Pectinatus
brewLAP Pediococcus and Lactobacillus
Alicyclobacillus Alicyclobacillus species

General laboratory tests


Type Target Organism License/Reference Method Turn Around
Aerobic Plate Count Aerobic bacteria OMA #2015.13 2 days
Yeast and Mold Yeast and Mold colonies OMA #2014.05 3 days
Total Coliform E.coli and coliform bacteria OMA #991.14 2 days
Total Enterobacteriacea Enterobacter species AOAC 030601 2 days
Staphylococcus aureus Staphylococcus aureus OMA #2003.07 2 days

Confirmatory testing


Target Organism License/Reference Method Turn Around
Listeria species BAM, Chapter 10; FSIS MLG 8 On-line (modified) 5-7 days
Listeria monocytogenes BAM, Chapter 10; FSIS MLG 8 On-line (modified) 7-10 days
Salmonella species BAM, Chapter 5; FSIS MLG 4 Table-B On-line (modified) 7-10 days
Campylobacter species FSIS MLG 41 On-line (modified) 5-6 days

Swabs and other sampling supplies are also available from Invisible Sentinel.
Local courier service (greater Philadelphia) available on request.

Access the Lab Services Sell Sheet here.