Colitis-Aid.com

This paper reports the fabrication of a handheld, simple to use sensor which detects contamination by deadly strains of E coli in drinking water. E. coli 0157, predominately 0157:H7, has been implicated as the causative organism of hemolytic uremic syndrome and hemorrhagic colitis. The sensor works based on irreversible color changes that occur subsequent to hydrolysis of a chromogenic substrate by a ß-galactosidase enzyme of E.coli.

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