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Home » Topics » Testing & Analysis » Methods

Methods
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Food safety testing

Food Safety Testing Continues to Increase

Processors plan more testing—but only some analytical methods show growth
Bob Ferguson
Bob Ferguson
June 17, 2021
In a continuation of this topic from April/May, we dig deeper into current microbiology sample collection and analysis practices of food processors around the world and their future plans.
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bacteriophage

A Bacterial Virus Helps Spread Salmonella

Rob Kingsley, Ph.D.
April 6, 2021

A toxin-carrying virus is involved in the emergence of a new strain of Salmonella in pigs.


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Testing

Guilty Until Proven Innocent: Presumption of Positivity and the Presumed Problem of Nonconfirmable Presumptives in Food Pathogen Diagnostics

Daniel R. Demarco Ph.D.
February 26, 2021

The rate of nonconfirmable presumptives in food pathogen diagnostics has increased significantly in recent years. We explore the reasons why in this article.



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Back-to-Back Outbreaks in Frozen and Dried Imported Coconut

Donald C Obenhuber Ph.D.
October 19, 2020
Here we explore foodborne illness outbreak investigations related to coconuts, highlight the challenges experienced, and share the food safety lessons learned.
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Adoption of WGS: What Is Going On?

Bob Ferguson
Bob Ferguson
August 17, 2020
Whole-genome sequencing has changed how the identification of outbreaks and harborage organisms is performed.
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Trends in Food Safety Testing

Bob Ferguson
Bob Ferguson
June 24, 2020
Food safety testing volumes are increasing and focus on Listeria.
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The Benefits and Barriers of Whole-Genome Sequencing for Pathogen Source Tracking: A Food Industry Perspective

Adrianne Klijn Deann Akins-Lewenthal Bala Jagadeesan Leen Baert Anett Winkler Caroline Barretto Alejandro Amézquita
June 24, 2020
Whole-genome sequencing is a common tool for outbreak detection and investigation.
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Analytical Testing in Food Safety Continues to Grow

Bob Ferguson
Bob Ferguson
April 16, 2020
No trend has been reported as being more impactful than the increase in the amount of analytical testing being conducted—especially the increase in testing for microorganisms.
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Contaminant Detection in Food Processing

July 16, 2019
A new approach for significantly improving detection probabilities and reducing the need for manual verification of foreign material contamination of food products is described.
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STEC, EHEC, or E. coli O157? Differentiating between Targets

Patrick Bird M.Sc.
June 18, 2019
Shiga toxin-producing Escherichia coli strains can cause foodborne illness, necessitating the expansion of testing for these organisms.
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