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New technology could offer cheaper, faster food testing
Date: 22-05-2017

Food Testing With New Technology - Clean Middle EastResearchers at the Massachusetts Institute of Technology (MIT) have developed a new sensor that uses smartphone technology to detect harmful bacteria in food, including Escherichia coli (E.coli). The sensor was developed by the research lab of Timothy Swager, John D. MacArthur Professor of Chemistry at MIT, in a project supported by MIT’s Abdul Latif Jameel World Water and Food Security Lab (J-WAFS) Solutions programme. J-WAFS Solutions is sponsored by Community Jameel, and aims to help MIT faculty and students commercialise breakthrough technologies and inventions that have applications to critical food and water challenges.

Current food safety testing often involves culturing food samples to see if harmful bacterial colonies grow, but that process can take as long as two to three days and is generally conducted offsite in specialist labs. The new test involves using specialised droplets that bind together in a specific way if harmful bacteria are present. The result can be detected by either the naked eye or a smartphone, offering faster and cheaper food safety testing that could be carried out onsite.

The Abdul Latif Jameel World Water and Food Security Lab (J-WAFS) was created at MIT to spearhead research that will help humankind adapt to a rapidly changing planet and combat world-wide water scarcity and food supply. In addition, the lab elevates MIT's commitment to addressing the collective pressure of population growth, urbanisation, and climate variability - factors that endanger food and water systems in developing and developed countries alike.


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