Cellphone attachment helps detect E. coli in food, water

05/08/2012 12:20:00 PM
The Grower Staff

cellphone microscropeCourtesy University of California, Los AngelesA cellphone attachment acts as a florescent microscope, helping detect E. coli in water and food samples.University of California, Los Angeles, engineers have developed a cost-effective cellphone attachment that allows users to detect E. coli in food and water samples.

The attachment acts as a florescent microscope and uses semiconductors often used for medical imaging, according to a news release.

By quantifying the florescent light emission from each sample capillary tube, the concentration of E. coli bacteria can be determined.

The researchers included electrical engineering post-doctoral scholar Hongying Zhu; electrical engineering undergraduate student Uzair Sikora and associate professor of electrical engineering and bioengineering Aydogan Ozcan.



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