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Image Number K8337-1

Caption for November 2003 Agricultural Research magazine article, "ARS: 50 Years of Research for the Growing World." Research with lasers and reflected light has resulted in new handheld scanners that can detect bacterial contamination on meat carcasses. The scanners may revolutionize meat inspection and increase food safety for consumers.

Caption for February 1999 Agricultural Research magazine article, "Battling Food Poisoning Bacteria." Microbiologists Tom Casey (left) and Mark Rasmussen evaluate a new laser for use in their fecal contamination detection system for meat carcasses. They are working in the laser lab of an Iowa State University collaborator, photochemist Jacob Petrich.

Photo by Keith Weller.

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