Phigenics is delighted to announce AOAC PTM certification for the PVT VIABLE® test and the associated publication: Validation of the PVT VIABLE® method for the detection of Legionella in potable and non-potable water: AOAC Performance Tested MethodSM 082303 in the Journal of AOAC INTERNATIONAL. This diagnostic includes the ability to resuscitate and detect stressed, potentially infective, viable but non-culturable (VBNC) Legionella that cannot be detected using the ISO 11731 spread plate method.
WARRENVILLE, Ill., Oct. 25, 2023 /PRNewswire-PRWeb/ -- Industry guidance document ASHRAE Guideline 12-2020, section C3.3 states that when evaluating emergent technologies: "Any test method should be validated against a standard method, by a third party, to determine equal or improved accuracy and precision (sensitivity and specificity) when compared to the standard method." In step with this technical consensus statement, Phigenics is delighted to announce AOAC PTM certification for the PVT VIABLE® test and the associated publication: Validation of the PVT VIABLE® method for the detection of Legionella in potable and non-potable water: AOAC Performance Tested MethodSM 082303 in the Journal of AOAC INTERNATIONAL.
The PVT (Phigenics Validation Test) VIABLE®(Viability Identification Assay by Legionella Enrichment) method combines Polymerase Chain Reaction (PCR) and microbiological culture technology to rapidly detect all forms of viable Legionella bacteria found in building water systems in as few as 72 hours. This diagnostic includes the ability to resuscitate and detect stressed, potentially infective, viable but non-culturable (VBNC) Legionella that cannot be detected using the ISO 11731 spread plate method. Measuring VBNC Legionella is especially useful for validation of potable water systems in order to optimize and ensure effective control measures.
"AOAC PTM certification focuses on evaluating new, innovative methods against industry accepted standards. PVT VIABLE® was compared to ISO 11731 in this study and the results were statistically similar; providing evidence that PVT VIABLE® is an effective and defensible strategy for the validation of Water Management Programs for potable water systems," says Leah Wickenberg, Product Research and Development Supervisor at Phigenics.
Regarding the importance of AOAC PTM Certification, Missy Cain, VP of Technology for Phigenics states "Phigenics recognizes the importance of an AOAC PTM certification for new environmental diagnostics, notably for applications in which the test method can improve the risk management of building water systems. This PTM certification helps support organizations that have identified the need to improve historical validation strategies, while promoting the importance of test method integrity and defensibility. Phigenics will continue to support the development of innovative diagnostic products that meet AOAC INTERNATIONAL method validation requirements in order to help ensure the safety of water systems and positively impact public health."
To read the research paper visit:
https://academic.oup.com/jaoac/advance-article/doi/10.1093/jaoacint/qsad112/7281346
PVT VIABLE® is a commercially available Legionella diagnostic, for more information on PVT VIABLE® and how it can improve your Water Management Team's decision making and mitigate the risk of waterborne pathogens, please visit: https://info.phigenics.com/testing
About Phigenics
Phigenics sells comprehensive water management programs, innovative diagnostics, data management and automated monitoring solutions. Facility managers and building owners use these solutions to optimize the total cost of their water systems by improving safety and efficiency. Phigenics water management programs include regulatory compliance, data management, and water testing analytical services, including Legionella testing services. As a non-conflicted, third party, Phigenics provides independent verification and validation that programs are defensible and water management goals have been achieved in the most cost effective manner.
About AOAC INTERNATIONAL
AOAC INTERNATIONAL is a globally recognized, 501(c)(3), independent, third party, not-for-profit association and voluntary consensus standards developing organization founded in 1884. When analytical needs arise within a community or industry, AOAC INTERNATIONAL is the forum for finding appropriate science-based solutions through the development of microbiological and chemical standards. The AOAC Official Methods of AnalysisSM and the Performance Tested MethodsSM are used by food and environmental scientists around the world to facilitate public health and safety and to promote trade. For more information, please visit http://www.AOAC.org.
Media Contact
Kellen Utecht, Phigenics LLC, 1-844-850-4087, [email protected], https://info.phigenics.com/
SOURCE Phigenics LLC

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