Popcorn-shaped gold particles gang up on Salmonella
Wednesday, March 28, 2012 - 03:01
in Health & Medicine
Take an ounce of lettuce, test it for 17 hours, and the results show whether that mainstay ingredient in green salads is contaminated with Salmonella, the food poisoning bacteria that sickens millions of people each year. Another traditional test takes 72 hours to complete. How about a test that identifies Salmonella in five minutes, so that shipments of lettuce can be confiscated before they reach the table?