Piyawattanametha, Wibool

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Piyawattanametha, Wibool
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wibool.pi@kmitl.ac.th

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    Item type:Publication,
    An E. coli screening machine in water via fluorescence detection
    (2019-01-10)
    Juhong, Aniwat
    ;
    Piyawattanametha, Wibool
    We have developed a fluorescence based detection for rapid E. coli which is an indicator for fecal contamination for water quality. This technology has cut down the time taken to detect E. coli from a few days to just a couple of hours. The system relies on the enzyme β-D glucuronidase (GUD) reacts with 4-methylumblliferyl-β-D glucuronide (MUG) resulting in a byproduct named 4-methylumbellliferone (4MU). Our system can detect this byproduct in the concentration range from 0.01 to 80 μM which can then be enumerated to be the number of E. coli.