USA - Nanotechnology may be used for food safety
http://www.ars.usda.gov/is/pr/2008/081215.htm
17-Dec-2008 (17 years 5 months 28 days ago)A microscopic biological sensor that detects Salmonella bacteria in lab tests has been developed by an Agricultural Research Service (ARS) scientist and university colleagues. The sensor could be adapted to detect other foodborne pathogens as well.