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Simple Test Provides Fast Way To Detect Salmonella Contamination

September 22, 2016: 12:00 AM EST
U.S. researchers have come up with a quick, more accurate way to detect dangerous Salmonella bacteria in food samples. Using artificially contaminated food, the researchers used Salmonella-specific antibodies coupled with a signal amplification technique (tyramide signal amplification) after only 15 hours, instead of the two to three days it takes using a Petri dish culture. The test provides a simple monitoring system for foodborne pathogens, especially in beef and poultry. Contamination of food with pathogens causes 48 million illnesses, 128,000 hospitalizations and 3,000 deaths annually in the U.S.
Gene P. D. Herzig et al., "Magnetic Bead-Based Immunoassay Coupled with Tyramide Signal Amplification for Detection of Salmonellain Foods", Journal of Food Safety, September 22, 2016, © John Wiley & Sons, Inc.
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