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Year 13 experiment with E.coli bacteria

Year 13 BTEC students have been doing some research for their Unit 15 Microbiology coursework this week.

They carried out a practical procedure to investigate the effect of hand soap, disinfectant, and hand sanitizer on the growth of E.coli bacteria. 

They used aseptic techniques to inoculate an agar plate with the bacteria, then placed paper discs soaked in each substance in the plate. The plates were then incubated for 48 hours to see which substance killed the most bacteria.