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    Finding one bug
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    Finding one bug

    2314

    A nanometer-sized biosensor can detect a single deadly bacterium in tainted ground beef. How? Researchers attached nanoparticles, each packed with thousands of dye molecules, to an antibody that recognizes the microbe E. coli O157:H7. When the nanoball-antibody combo comes into contact with the E. coli bacterium, it glows. Here is the transition, a single bacterial cell glows brightly when it encounters nanoparticle-antibody biosensors, each packed with thousands of dye molecules.
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    Internal Note
    Keywordsfood safety
    SourceWeihong Tan, University of Florida in Gainesville
    Date2007-12-07 00:00:00
    Credit LineWeihong Tan, University of Florida in Gainesville
    Investigator
    Record TypePhotograph
    Topic Area(s);#Tools and Techniques;#
    Previous UsesFeatured in the March 15, 2005, issue of Biomedical Beat.
    StatusActive

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