date:Aug 24, 2018
oluble cellulose pellets, the phages infected the bacterial cells. After the bacteria expressed the luminescent reporter enzyme, the cells disintegrated, freeing the enzyme, which clung to the cellulose pellets. Decanting off the water quickly concentrated samples. Using a laboratory plate counter or normal camera set to 30-second exposure time, scientists quantitatively measured the presence of under 10 colony forming units of E. coli per 100 mL within three hours.
Its an elegant design to ove